The Color Science of Cannabis

The Science of Colors

Pigmentation and the antioxidant effect

The color of cannabis is not constant, and changes as the plant matures. The color of a cannabis plant depends on the temperature, its environment and especially its anthocyanins. They are water soluble pigments which can appear blue, red, purple. But contrary to popular belief, the color is not representative of the quality of the effect of marijuana. If not as an antioxidant and its interaction on endo-cannabinoid receptors. Still, 93% of buyers choose based on the color and general appearance of the marijuana.


Cannabis produces anthocyanins, which are part of the family of flavonoids [the pigments of plants], to protect themselves, according to a study. "The production of flavonoids participates in several ways in the growth of the plant by making it more resistant to pathogens, by producing pigments, and by protecting it from ultraviolet rays, which contributes to the development of pollen and seed coat," write the researchers. researchers.

The Science of Colors

The different ways that cannabis plants are raised, with different pH, temperature and pigmentation levels, also impact their effects. But in the end, it is also the nutrients, the amount of water and light to which the plant has been entitled that give each plant qualities and effects that are unique, whatever its color.

The Science of Colors

Antioxidant powers

A misconception is that dark strains are more effective in terms of high. The truth is, the color has nothing to do with the potential of the plant. However, anthocyanins are known to act as powerful antioxidants and are also "thought" to have analgesic, anti-inflammatory, and neuroprotective properties. Research suggests that anthocyanins have a selective affinity with either CB1 or CB2 receptors depending on the type. The presence of anthocyanins does not change the potency of cannabinoids like THC, it could give the strain an additional health effect.

The Science of Colors

Other plants include these molecules in their genetics, such as blackberries, blueberries, raspberries, goji berries, blood oranges, and cranberries (cranberries). Cranberries are particularly sought after for their antioxidant properties, recognized as powerful, due to the anthocyanins.

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An editable Green

Temperature plays a vital role because cooler temperatures prevent the production of chlorophyll, which is essential for plant life.

The Science of Colors

For cannabis, depending on the strain's lineage, certain other colors will appear when you lower the temperature and shorten its cycle by mimicking the change of season. The ideal range for growing cannabis is a pH of 5.5-6.5. But during flowering you can somehow increase or minimize certain anthocyanins, highlighting certain colors and stressing them a bit….

Purple (Violet) & Blue (Blue) strains

The Science of Colors

Other than green, the preferred color for growers and consumers is purple - as in the case of Grandaddy Purple. Purple pigments show up easily on cannabis, which produces less chlorophyll as it ages. But for those in a hurry, or those who fear their weed is getting too old, purple pigmentation can also be developed in pH neutral environments.
The strains of Purple Orangutan are probably the ones that synthesize the most easily, the deep blue and purple tones in the world.

Red (red) & Pink (Rose) strains

The Science of Colors

Reddish varieties are harder to grow. But this can be achieved by manipulating the nutrients of the plant and depriving it of phosphorus. The darkest varieties, sometimes even black, are due to excess pigmentation in cannabis leaves. These varieties are also known for their psychedelic and sometimes hallucinogenic effects. They usually grow best when the temperature is low.

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There are strong red-colored strains of marijuana in the Pink Flower Shaman. The Pink Predator has some phenotypes that display real fuchsia tones

Yellow (yellow) & orange strains

The Science of Colors

Yellow varieties, like Lemon Kush, thrive in more basic conditions. When the chlorophyll starts to become rarer, if the plant is genetically predisposed to a yellowish pigmentation, the golden reflections often appear when the plant reaches maturity. If a plant is poor in anthocyanins, it is common for it to develop yellow, golden or ocher reflections thanks to carotenoids, pigment molecules also present in carrots, autumn leaves, and tomatoes.

Orange will be found naturally at Olive Oyl, Kandy Skunk, and some Alien OG phenotypes. The yolks include strains of Wicked OG, Grapefruit and of course Lemon Kush. Note that these OG strains have a strong taste of grapefruit, lemon naturally….

Dark Weed

The Science of Colors

There are a few strains that seem to be sinking into the dark side of the Force ^^ Originally this genetics appeared in the Vietnamese Landrace, the IE Vietnamese Black. All of these strains are hybrids of Black Willy and Black Tuna, a black tone that is not reminiscent of ebony.

In addition, these strains are recognized for very intense psychedelic and cerebral effects…. Their black ink appearance comes from an overabundance of all the colors in the leaves; with hot temperatures, we get dark purple hues, red which can become lighter, see OR in some cases.

Tags : Agriculture / GrowPlantingTherapeutic

The author Weed-master

Weed media broadcaster and communications manager specializing in legal cannabis. Do you know what they say? knowledge is power. Understand the science behind cannabis medicine, while staying up to date with the latest health related research, treatments and products. Stay up to date with the latest news and ideas on legalization, laws, political movements. Discover tips, tricks and how-to guides from the most seasoned growers on the planet as well as the latest research and findings from the scientific community on the medical qualities of cannabis.