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Red Bruce feminized seeds (Banner x White Russian) deliver up to 21oz per plant of 21% THC bud. Enjoy delivery & germination guarantees for 100% peace of mind. Purple Seeds: Purple flower seeds (Purple, Lilac, Violet) autoflowering to buy online. 1 FREE Gift. Offers. Cheap.

Red Bruce Feminized Cannabis Seeds

What do you get when you cross a cerebral hulk-smashing strain with a soothing, physically relaxing variant? The answer is Red Bruce feminized seeds, ready to provide you with a well-balanced package of exciting effects for your body and mind. This indica-dominant cannabis won’t leave you pent up with anger and charging head-first into a matador’s muleta. It riles you with a positive burst of energy and boosts your spirits while relaxing and soothing you to the core. What are all the effects of feminiz

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We ship to the U.S. We offer tracked shipping from $10.99 and FREE Shipping for orders over $115 . Once your order is confirmed, you will receive a tracking ID by email. Your seeds will arrive in between 4-9 days. However, it can take longer in some cases.

  • Promote seed germination
  • Strengthen roots
  • Boost early growth

They look grate so far,they are only 8 weeks but have a strong smell and red fan leaf stems already.Out to a cold frame next week.

I germinated 4 seeds,now they are plants 4 ft high flowering beautifully.I Am pleased with this strain and will purchase again

What do you get when you cross a cerebral hulk-smashing strain with a soothing, physically relaxing variant? The answer is Red Bruce feminized seeds, ready to provide you with a well-balanced package of exciting effects for your body and mind. This indica-dominant cannabis won’t leave you pent up with anger and charging head-first into a matador’s muleta. It riles you with a positive burst of energy and boosts your spirits while relaxing and soothing you to the core.

What are all the effects of feminized Red Bruce seeds, and what does the weed taste and smell like? What’s so special about their heritage, are they easy to germinate, and can you grow them indoors and out? Find all the answers to those questions about these feminized marijuana seeds right here. Let’s tango with the scarlet beast and discover if Red Bruce feminized is truly the red, fiery animal we all perceive it to be.

What are Red Bruce feminized cannabis seeds?

Red Bruce seeds feminized version provides enjoyable and well-balanced cerebral and physical effects. Though the pendulum leans more to the indica side, this cannabis relaxes every fiber in your body without leaving you couch-locked. The CBD content is less than 1%; it averages 15–20% THC but has been known to get as high as 25%. Once you catch a glimpse of its impressive heritage, you’ll soon realize how special Red Bruce fem seeds are.

You don’t have to worry about quarantining male plants with these feminized marijuana seeds. Instead, you’ll have beautiful budding female marijuana plants producing large flowers jam-packed with THC.

These weed crops grow tall like sativas but display bushy indica plant properties with thick limbs and strong branches. Emerald-colored colas dusted with frosty trichomes stand out among the dark green broad finger leaves as the cannabis plants mature. The flowers from Red Bruce feminized seeds exhibit dazzling purple streaks during cooler nighttime temperatures, making it almost a shame to harvest them. But as one part of the journey ends, another fun voyage begins when you light up a cured bud to enjoy the effects.

What are Red Bruce feminized seeds effects?

Remember to pace your tokes with this one, as the THC content can go well beyond the moderate 15–20% levels! This weed is fast-hitting and long-lasting, with the physical effects sweeping into your body an hour after the first hit. The initial euphoric and energetic buzz is swift and powerful, yet it won’t leave you pacing around endlessly, twiddling your thumbs. Your creative soul pulses within, urging you to express yourself through any artistic medium you may have in your house.

Your productivity increases tenfold as you find new and ingenious ways to tackle tedious household chores. You’ll soon be thanking Red Bruce feminized seeds for thinking outside the box and discovering innovative ideas enabling you to complete any task facing you. Your tongue loosens in your mouth, and it’s not long before you’re aching for a chin-wag with like-minded peers. Enjoy talking about everything from current world events to movies as Red Bruce allows your positive thoughts to transform into free-flowing words.

It’s not long before the indica starts slowly seeping into your physical being, soothing every muscle from head to toe. This beautiful, relaxing sensation lasts for several hours and sends happy tingling waves through your body. Use this time to appreciate the outside world and take a peaceful stroll outside under a blue sky and shining sun. Vibrant colors make you appreciate the environment around you as you connect and become one with nature.

Ensure you stay hydrated as the weed from Red Bruce fem seeds can make your mouth dry, especially when you’re eager to chat. Use an optic mist or spray to help soothe any eye irritation and redness. Consume in moderation to benefit from the awesome effects and avoid inconveniences like slight cases of paranoia and anxiety. Red Bruce weed can also induce minor headaches in cannabis users sensitive to THC, so it’s best to enjoy this one slowly.

What does Red Bruce feminized smell like?

Once you open a bag of cured buds, the weed from Red Bruce feminized seeds immediately announces its strong presence! Powerful and prominent notes of sweet berry and diesel rise up to greet your nose, delighting your senses.

The lurking kush fragrance will delight old-school cannabis enthusiasts and hashish lovers. Musky and earthy aromas blend in and make you feel like you’re walking barefoot on a soft, damp forest floor. The flavor contains almost the same concoction but lacks the soil and herbal tones. Parent strain Bruce Banner shows its strength here, with sugary strawberry and fuel lingering on your lips after exhaling.

How to germinate Red Bruce feminized seeds

There are many germination methods you can use to pop your Red Bruce feminized cannabis seeds. Some techniques require constant vigilance and the purchase of products, whereas others are beginner-friendly and require everyday household objects. If you’re growing your Red Bruce fem seeds outdoors, it’s best to germinate them during the spring equinox. It’s the perfect time to allow your marijuana plants to grow in tune with the changing seasons in time for a fall harvest in October.

You can germinate your Red Bruce feminized seeds any time of the year indoors. Once you have an ideal lighting setup and temperature controls, you can germinate them even during the winter months.

Please follow our germination guide below carefully to achieve the best results possible. Ensure that you document, through the use of photography or video, your germination attempts. In the unlikely event that any seeds don’t pop, we may ask for supporting material when assessing any claims for replacement products, under our guarantee:

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– Gather the following items—tweezers, two kitchen paper towels, two dinner plates, a spray bottle of purified water, and your Red Bruce feminized cannabis seeds.

– Use the spray bottle to moisten the two paper towels and lay one of them flat on a dinner plate.

– Transfer your marijuana seeds with the tweezers one by one onto the surface of the damp paper towel. Ensure they are an inch apart from each other.

– Remove any free-standing water on the plate and gently cover your Red Bruce fem seeds with the second paper towel.

– Turn the second dinner plate upside down and place it on top of your setup. Store it in a warm dark area like a kitchen drawer or cupboard for 24–120 hours.

– Check on your cannabis seeds regularly and ensure the paper towels don’t dry out. When healthy taproots emerge, use the tweezers to transplant them into your chosen medium.

Follow our step-by-step germination guide for maximum results and more in-depth directions. There’s also a cool brief video with visual and audio instructions you can watch to help your taproots emerge from their shells.

Remember to keep up to date with your State’s current marijuana legislation and abide by the law at all times. You can buy Red Bruce feminized seeds legally in most US states, but you can’t germinate them if it’s illegal.

Red Bruce feminized cannabis seeds grow guide

Rookies looking to try out their green thumbs will be delighted to know Red Bruce fem seeds are beginner-friendly. The cannabis plants take on sativa structures with the robustness and bushiness of indica crops. These marijuana seeds grow well indoors and out and will flourish with a little TLC. They prefer continental and temperate climates in the Northern Hemisphere with long daylight hours and plenty of warm sunshine.

Cultivating them in a greenhouse during their early weeks is best because you don’t have to worry about any sudden spring frosts causing damage. They stretch quite tall during the vegetative stage, so you may need to top them if you’re using stealth-growing tactics. Their bushy foliage requires trimming and maintenance to allow light and air to penetrate the inner leaves. Their thick limbs won’t need support as they can easily hold their buds’ weight during the flowering phase.

The flowering time is 8–10 weeks, and the cannabis crops start to display purple hues in the cooler nighttime temperatures after the fall equinox. You can look forward to harvesting up to 21 oz. per plant outdoors in early October.

Maintaining their tall height indoors is a breeze as the marijuana plants from Red Bruce fem seeds respond well to low-stress training methods. Use a Sea of Green (SOG) set up for dazzling green cola canopies or a Screen of Green (ScrOG) technique to enable your cannabis crops to grow horizontally. Keep your temperatures between 68–79℉ and humidity levels at 40–50%. Remember, the buds emit powerful aromas, so use carbon filters or odor neutralizers if you don’t want your grow room smelling like an oil refinery.

Flip the light cycles from 18/6 to 12/12 to induce the flowering stage to watch those beautiful buds grow. A successful indoor harvest will leave you gathering yields of 17–19 oz./m² in as little as 16 weeks. The cannabis plants from Red Bruce feminized seeds also show great resilience to common outdoor pests and diseases. Eradicate the threat of mold and mildew by allowing air to circulate through the leaves and protect them from rain and mist.

What are the Red Bruce feminized strain genetics?

It’s hard not to be impressed with Red Bruce feminized seeds’ strain extraordinary heritage as it’s a descendant of one of the most beloved Kush cultivars. It’s a cross between two stars in the cannabis universe—Bruce Banner and White Russian. Bruce Banner is a famous hard-hitting sativa strain and carries the name of one of Marvel’s most loved characters. Its spectacular genetic lineage of OG Kush and Strawberry Diesel is distinguishable in its strong berry, kush, and fuel fragrances.

White Russian contributes its classic, old-school indica-dominant genes to feminized Red Bruce seeds. It’s a direct descendant of the popular, fast-firing AK-47 and Cannabis Cup winning favorite White Widow. Red Bruce is a product of marijuana royalty, and it’s no wonder there’s a great demand for these weed seeds. Regardless of its lineage, weed from Red Bruce feminized cannabis seeds is a rising star on the 420 stage, especially among veteran users.

Wellness and Red Bruce feminized seeds

Red Bruce feminized seeds are popular in medicinal dispensaries in Green states. Medical marijuana cardholders purchase these weed seeds to avail of the well-balanced uplifting cerebral and relaxing physical effects. Users suggest that the caryophyllene terpene effects can provide immense relaxation and help soothe nerves. The other dominant terpene, humulene, is known to suppress appetite, so you don’t have to worry about frequent munchie attacks.

If you find yourself struggling to shrug off gray clouds hanging over your head, this weed might help you see the light. Red Bruce feminized seeds buds could boost your spirits with their euphoric burst and help shrug off those heavy burdens, brightening the world around you. Anxiety and stress can take a back seat when consuming the weed in moderation from fem Red Bruce seeds. Cannabis users consume this weed as they find it can help settle troubled thoughts and loosen tense muscles.

The initial energizing boost can be the kick-start you need, especially if you suffer from daytime fatigue and feel unmotivated. This weed may help your feet feel lighter and unshackled as you face the day feeling refreshed and motivated, with a spring in your step. Some cannabis users find toking on the plant created from Red Bruce marijuana seeds also helps alleviate throbbing headaches and severe migraines. They also use this cannabis for temporary relief from painful physical ailments such as arthritis.

Although crops from Red Bruce feminized seeds might contribute to your wellbeing, folks sensitive to high THC levels may experience increased anxiety and paranoid feelings. This cannabis is more suitable for seasoned marijuana users.

Disclaimer: This medical marijuana information is not advice and should not be treated as such. Please seek professional medical advice.

Red Bruce feminized marijuana seeds: frequently asked questions

By now, you might have a few more queries about this fiery indica-dominant marijuana cultivar. Here are the answers to some of Red Bruce fem seeds most commonly asked:

Where can I get free cannabis Red Bruce feminized seeds?

Sourcing free Red Bruce feminized seeds from reputable companies is challenging. Beware, as most websites with these offers usually contain poor-quality weed seeds that have trouble germinating. Stick to 420 expert companies like Homegrown Cannabis Co. for the best deals, including Buy one get one free (BOGO) offers on your favorite cannabis seeds.

Can I buy other versions of Red Bruce feminized seeds?

Red Bruce is only available to buy as feminized seeds, guaranteeing you plenty of THC-packed buds. In the meantime, you can grow parent strain Bruce Banner auto seeds all-year-round without depending on light ratios. Bruce Banner regular seeds have a 50/50 chance of producing male and female plants.

Can a beginner grow Red Bruce feminized?

Yes, these marijuana seeds are rookie friendly! The weed plants will need a bit of pruning and full exposure to the sun outside, but they are tough and robust crops. Red Bruce feminized seeds usually forgive beginner errors, allowing room and time to rectify cultivating mistakes.

What is the Red Bruce feminized flower time?

The average flowering time is 8–10 weeks for Red Bruce feminized plants. You can harvest the flowers at eight weeks for a more powerful cerebral punch. We recommend waiting until ten weeks for the best results and seeing the beautiful purple hues seeping into the buds.

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How long do Red Bruce feminized seeds take to germinate?

Red Bruce feminized seeds take as little as 24 hours to germinate, depending on your chosen technique. Some methods can take up to three days before the taproots pop out of the shells. Ensure you keep your cannabis seeds moist and warm to boost your germination chances.

How long does it take Red Bruce feminized to grow from seeds to harvest?

Red Bruce’s seed to harvest time depends on where you’re growing them. The vegetative stage outside can last from 12–16 weeks, totaling 26 weeks outdoors. Inside, you can manipulate the light cycle to control height, meaning it can take as little as 16 weeks.

Grow medium: Red Bruce feminized hydro or soil?

Red Bruce feminized seeds grow well in hydro and soil mediums. A hydroponic setup is ideal for indoor cultivation as the buds’ aromas won’t be as profound as growing them in the soil. Use the earth to enhance the fragrance profile if you can’t get enough of its powerful scents.

What is the average Red Bruce feminized height?

Be prepared to stand in the shadow of Red Bruce feminized cannabis seeds as they grow to 6–7ft high! These marijuana plants can grow quite tall if you don’t top them and let them grow naturally in their environment. Using a ScrOG or low-stress training controls these weed crops’ heights.

Where can I find pictures of Red Bruce feminized marijuana?

If you love gazing at photos of these beautiful marijuana plants and don’t get enough from this page, check out our Homegrown Diaries. You’ll find beautiful images of emerald-green buds on our Red Bruce feminized Homegrown Diary . If you have these cannabis seeds, why not grow them, snap some images, and share them with the community?

Where is the best place to buy Red Bruce feminized seeds in the USA?

Want to buy and cultivate some of the best feminized Red Bruce seeds in the country? Look no further than right here at Homegrown Cannabis Co. for excellent quality and fast shipping to start your green journey. What’s more, you’re 99% guaranteed an army of female cannabis plants with our feminized marijuana seeds.

Are there any other names for Red Bruce feminized?

Many companies use the title of Bruce Banner x White Russian as a selling tool for Red Bruce feminized seeds.

Join Homegrown Forum and share your stories! Post your pics, and any Red Bruce feminized seeds grow reports you might have. We can’t get enough Red Bruce feminized images; those crystals drive us wild!

If you want to stock buy bulk Red Bruce feminized seeds, please head to our wholesale page for amazing bulk buy discounts. Available to all verified customers. Our Red Bruce feminized seeds for sale are the same for normal and commercial customers.

We’re not just an American cannabis seed company; we’re an American cannabis brand.

The Red Family seeds

The Red Family is a collection of new, exotic and beautiful varieties of red-flowered marijuana. What most attracts the attention to this collection is the astonishing beauty of the plants. When the buds reach maturity they show red, purple and even bluish tones.

About 95% of the specimens from The Red Family genetic collection acquire these shades (purple, reddish or bluish) in the buds during flowering and some individuals even develop this type of colors in the leaves, also during the flowering stage. Once harvested and dried, the flowers acquire a very dark purple tone, almost black.

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Anthocyanins, responsible for the red, purple and bluish tones

Most of the cannabis plants we know produce green buds. However, the strains from The Red Family come out of the pattern and adopt reddish, purple or bluish tones. The adjectives red, purple and blue stimulate the curiosity of the growers but, in cannabis, the color is not only a matter of aesthetic beauty. They are the expression of a whole range of very special molecules. We are talking about the anthocyanins, which are also responsible for the coloration of many dark fruits and for most of the autumnal tones.

The purple color shown during flowering by the plants from The Red Family genetic collection is the result of its richness in anthocyanins (from the Greek anthos, flower + kyáneos, blue) These are water-soluble pigments that are present in plant cells and contribute to the production of red, purple or blue colors in leaves, flowers and stems of the cannabis plant.

Several hundred different anthocyanins are known and they produce a wide range of colors: malvidin gives purple; the flavones, yellow; the delphinidin, blue; the cyanidin, violet; pelargonidin, red and orange. The combination of several of these anthocyanins in the same tissue in different patterns of concentrations generates a wide variety of intensities, tones and colors.

Anthocyanins have been found in all tissues of plants, including leaves, stems, roots, flowers and fruits. In cannabis they are not present in the roots and very few can be found in the seeds, but in the leaves, stems and flowers the anthocyanin contents can reach up to 2.5% of the total dry weight.

It is possible to extract purple and pink resins from the buds of red-flowered plants. The anthocyanins that give the red color to the bud are also present inside the resin glands (trichomes), producing extractions of beauty like no other.

Dark fruits and vegetables such as plums, blackberries, grapes, cranberries, cherries, aubergines, or red cabbages, are rich in anthocyanins.
Anthocyanins belong to the group of flavonoids (from Latin flavus, yellow), which are a series of secondary metabolites of plants. There are four classes of flavonoids: flavonoids, isoflavonoids, neoflavonoids and anthocyanins.

Flavonoids have different functions in plants, which vary according to the species:

  • Protecting tissues from damage caused by ultraviolet radiation.
  • Generating bitter flavors to dissuade herbivores from using the plant as food.
  • Releasing pleasant aromas to attract herbivorous seed dispersers and make them eat the fruits.
  • Attracting insect pollinators.
  • Regulating the transport of the auxin hormone.
  • Fighting against the attack of some fungi.

Not all colors seen in cannabis that are not green are due to anthocyanins. In varieties that do not produce purple, blue or red colors, often appear golden, orange or yellowish tones at the end of flowering due to carotenoids. Carotenoids are pigments naturally present in the tissues, but they are not usually seen, because they are camouflaged by the intense green of chlorophyll. When a leaf loses chlorophyll it becomes yellow because the carotenoids, which were already there, become visible.

With anthocyanins seems like it does not happen in the same way, because the plants produce them especially at the end of their life cycle, when flowering is about to finish and the days get shorter. In this stage of the life cycle of the cannabis plant the production of chlorophyll decreases and all energy is concentrated in the production of flowers and seeds, but the production of anthocyanins increases at this stage. As the chlorophyll disappears from the tissues of the plant, anthocyanins and other pigments become more visible. It is possible that the anthocyanins help the plants to cope better with the maturity stage, to resist the damage produced by ultraviolet radiation, keeping the herbivores at a safe distance while the seeds complete the maturation process.

Medicinal properties of anthocyanins

Flavonoids in general, and anthocyanins in particular, feature important pharmacological and therapeutic properties that have incited the interest of scientists. They have shown several properties in in vitro tests. Among other properties, they are antioxidants, antiallergic, antibiotics, anti-inflammatory, neuroprotective and anti-carcinogenic.

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Flavonoids could protect against the action of free radicals, oxidizing molecules, ultraviolet radiation, atmospheric pollution and many other pollutants. In theory, taking into account the properties observed in laboratory, the consumption of flavonoids could reduce the risk of cancer, reduce allergic manifestations, relieve arthritis, reduce cholesterol, stimulate the heart, improve circulation, prevent cardiovascular diseases, protect the liver, fight aging, diabetes and obesity and a long list of other benefits, although more research needs to be performed to be able to say it for sure.

Humans ingest flavonoids when eating vegetables and these are likely to be partially responsible for the resulting health benefits of diets rich in fruits and vegetables. Some of the richest foods in anthocyanins, such as blueberries, goji berries or blackberries are considered very beneficial for health, especially for their antioxidant properties.

In studies with rats it has been observed that anthocyanins are able to cross the blood-brain barrier and reach the areas of the brain responsible for learning and memory. It is possible that the presence of anthocyanins may have an impact in the cannabis effects on short-term memory, potentiating or mitigating them.

Flavonoids found in cannabis

23 flavonoids and anthocyanins have been found in cannabis and it is known that some of them keep their pharmacological properties in both vapor and smoke forms. Scientists use the entourage effect in order to explain that the pharmacological effects of cannabis are the result of the interaction of the large number of molecules present in the plant. Cannabinoids, especially THC, are primarily responsible for the effect, but terpenes and flavonoids also have an influence. Terpenes and flavonoids are probably responsible for the huge differences in the effects of different varieties that feature similar proportions of cannabinoids. Some anthocyanins feature a determined selective affinity for receptors of the human body’s endocannabinoid system, with some types of junctions with CB1 and CB2 receptors.

The main flavonoids present in cannabis are:

  • Apigenin: anxiolytic, sedative, anti-inflammatory, could lengthen the effect of THC. Boiling point: 178ºC.
  • Cannflavine A: anti-inflammatory. For now it has only been found in cannabis. Boiling point: 182ºC.
  • Cannflavine B: anti-inflammatory. For now it has only been found in cannabis.
  • Cannflavine C: anti-inflammatory.
  • Kaempferol: antidepressant, anticancer, against coronary diseases, antioxidant, antibacterial, antiviral.
  • Luteolin: antioxidant, anti-inflammatory, antibiotic, anticancer.
  • Orientin: antioxidant, anti-inflammatory, antibiotic, anticancer.
  • Quercetin: antiviral, antimutagenic, antihistaminic, antioxidant, anti-inflammatory, possible utility in fibromyalgia, MAOI (inhibitor of monoaminoxidase). Boiling point: 250ºC.
  • Silymarin: antiviral, antioxidant.
  • Beta-sitosterol: anti-inflammatory, anticancer, antialopectic. Boiling point: 134ºC.
  • Vitexina and Isovitexina: these could help in the gout inflammatory arthritis, anti-carcinogenic.

Most of these flavonoids and anthocyanins can present a synergic behaviour working collectively with the cannabinoids and terpenes also present in the cannabis plant, enhancing their effect by acting together. For example, there are cannabinoids, terpenes and flavonoids with anti-inflammatory effects and, without any doubt, the overall effect of several of them, all together, increases the therapeutic effect through synergies and different ways of acting.

Some flavonoids inhibit certain liver enzymes and could influence the pharmacokinetics of THC in the liver and therefore in the perception of the effect of cannabis itself.

The importance of genetics in the colors of the cannabis plant

It is evident that not all marijuana plants turn purple during flowering. What causes this color change and why does it happen? The answer must be sought, first of all, in genetics. The varieties from The Red Family collection have been subjected to hybridization and selective breeding programs to introduce and fix the genes that promote red coloration, getting to a point where 95% of the individuals acquire purple and reddish tones.

At Sweet Seeds® we work hard on the selection of parent individuals to bring these genetics to 100% of coloured individuals.

Just as the potency of the effect, the aroma or the thickness of the buds is determined by the genes of the specific strain, the same thing happens with the purple coloration. In its origins, most of the purple varieties used to be Indica or hybrids with Indica predominance. They usually contained Kush or Afghan genetics. The effect of these strains used to be mainly relaxing and narcotic, as usual in Indica genetics.

To introduce the red-flowered trait in the first varieties of The Red Family, in Sweet Seeds® we used a genetic from Pakistani Hindu Kush ancestors from the Chitral area, close to the border with Afghanistan. We are currently working with other red-flowered varieties to expand the gene pool of our The Red Family.

Influence of the environmental conditions in the color

Many varieties only develop purple tones in certain climatic conditions, especially when nocturnal temperatures are cold. A summer with a cold end gives reddish, purple or bluish colors to outdoor plants while the plants tend to keep the green color with high temperatures at night. In cold weather conditions cannabis plants produce less chlorophyll (the pigment responsible for the green color in plants). This allows other pigments to be even more visible. Until a few decades ago there were no varieties capable to acquire this color with warm temperatures but the great work done by breeders and seed banks has finally covered this gap.

The Red Family genetic collection adopt these colors in every conditions and in almost all specimens. In some strains the purple color only shows up in the largest leaves, but in The Red Family, even the inner parts of the buds and the trichomes are reddish. It is a joy to be able to observe through macro photographs the red filaments that develop inside the trichomes.

Nutrient deficiencies can also influence the colors of the plants. The petioles of the leaves (the little stick that binds them to the stem) can turn purple due to a lack of phosphorus or nitrogen. The lack of sulfur sometimes causes purple lines on the stems.

The first requirement to get purple buds is to grow a variety that features this characteristic. Although the mechanism responsible for this colouring is not precisely known, it is understood that there is an important relationship between cold temperatures and the production of anthocyanins in marijuana. Many varieties require cold nights for the purple color to appear and remain completely green if temperatures are warm.

The temperature difference between day and night is also an important influential factor. If the temperature at night is more than ten degrees Celsius below daytime, anthocyanins are more easily shown. This also happens with strains that turn purple regardless of the temperature, as it is the case of the strains from The Red Family. Even though, a more intense coloration is obtained when the night temperatures are low and the daytime temperatures are high.

Outdoors, cold nights are helpful to increase the coloration of cannabis plants, but they are not necessarily helpful to improve their potency. In general, cold temperatures negatively affect the THC production. It is very important to stop using nitrogen in the second half of flowering and completely stop fertilizing in the last two weeks of life of the plants to help enhancing the use of the nutrient reserves present in the leaves and also to help enhancing the red, purple and blue tones.

It is known that there is a relationship between pH and the color expressed by anthocyanins, being it more reddish when the acidity is greater and more bluish with higher alkalinity levels. With intermediate pH conditions purple tones appear. In addition to the tone, the pH could influence the amount of anthocyanins produced. According to studies carried out in fruits, production is higher under conditions of acidic pH.


Andre C. M., Larondelle Y., Evers D. (2010). Dietary antioxidants and oxidative stress from a human and plant perspective: a review. Curr. Nutr. Food Sci. 6 2–12. 10.2174/157340110790909563

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