How does cannabis get its color? Here’s why some stress turn purple

How does <a title class="aalmanual" target="_blank" href="" rel="noopener">cannabis</a> get its color? Here’s why some stress turn purple|Leafly


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Environment and genes both contribute in the pigmentation of a plant. However exactly what triggers each range to look the method it does? What offers Black Cherry Soda its transcendent color of dark purple with lively orange hairs cutting through it like streaks of fire?

Let’s check out the color of cannabis and take a look at which elements affect its pigmentation, why some stress are more lively than others, and whether purple = powerful.

How do genes affect the color of cannabis?

black cherry soda

Black Cherry Soda.

In order for plants to reveal lively non-green shades, they require the hereditary foundation to do so. These foundation are called anthocyanins, which are a household of flavonoids that offer purple, red, or blue pigments– these are likewise discovered in blueberries, eggplants, red cabbage, concord grapes, violets, and other highly colored plants. Some cannabis stress naturally consist of greater levels of anthocyanins than others.

Ever see a few of your preferred stress tend to reveal the very same colors over and over once again? Granddaddy Purple, for instance, appears to constantly bring swirls of deep purples and pastel lavenders.

This alternative pigmentation is a sign of the stress’s predisposition to high anthocyanin levels, and it’s definitely a quality some cannabis breeders try to pick for and push, if just to make us customers ooh-and-ahh over quite colors (for this reason the long line of “purple” stress that consists of Purple Kush, Mendocino Purps, Purple Urkle, and lots of others).

Which marijuana stress tend to turn purple, blue, or red?

Lots of stress consist of a hereditary predisposition for high anthocyanin levels, and you’ll frequently discover them under names that start with colors like purple, red, blue, or pink. No, this does not indicate these stress will constantly display elegant shades, however they have a greater capacity of doing so if conditions are right.

Plants with low anthocyanin might produce a various range of colors in the last weeks of blooming, due to another household of particles called carotenoids These are accountable for the earthy gold and yellow shades buds can handle prior to harvest as chlorophyll turns off.


Super Lemon Haze.

How does cannabis go from green to purple?

As you may keep in mind from your primary biology classes, chlorophyll is what offers plants its green color. Chlorophyll is critically important to the photosynthesis procedure by which plants take in sunshine for energy.

As cannabis plants develop, they produce less of the dominant pigment chlorophyll and we start to see those anthocyanins emerge in a program of purples, reds, and blues. Growers need to keep in mind that there specify ecological conditions that activate the stop of chlorophyll production. We’ll enter into that soon.

What other ecological elements impact the color of cannabis?

Although not all cannabis stress will reveal purple, blue, or red shades in their life time, those geared up with the best genes might do so under specific ecological conditions. The reason that cannabis produces flavonoids and anthocyanin, scientists have actually observed, is for security.

” Flavonoid build-up [is] associated with lots of elements of plant development,” the research study authors composed, “consisting of pathogen resistance, pigment production, and security versus ultraviolet radiation, which adds to the development of pollen and seed coat advancement.”

Details on anthocyanin production in cannabis is restricted. What we do understand comes mostly from cannabis growing experience and research studies determining patterns of anthocyanin production in other greenery.

Initially, there’s temperature level. Purple, red, and blue shades might appear in reaction to drops in temperature level, because chlorophyll production takes its natural time out in fall as the days end up being cooler.

Research study on other fruits and flowers kept in mind that greater temperature levels damage anthocyanin production. That very same research study likewise discovered that greater pH levels result in the damage of anthocyanin pigments, implying they tend to prosper in more acidic environments.

The pH level figures out which pigment the plant handles:

  • Acidic environments tend to cause red and pink pigmentation
  • Purple pigmentation takes place in neutral pH environments
  • Blues end up being present with greater pH levels
  • Yellow is established in alkaline conditions

Are purple cannabis stress more powerful?

They may be more appealing, however purple stress are not always more powerful than their green loved ones. A purple-blossomed plant exposed to cold temperature level might really produce less THC, so it is necessary to bear in mind, as Robert Clarke appropriately puts it in The Cannabible, that “lots of characteristics show to be preferable just in specific ranges under specific conditions.”

This post was initially released on March 21, 2016. It was most just recently upgraded on July 28, 2020.

Bailey Rahn's Bio Image

Bailey Rahn

Bailey is a senior content supervisor at Leafly, concentrating on stress and health. She’s invested 7+ years looking into cannabis items, spreading out clients’ stories, and checking out healthy methods of incorporating cannabis into life.

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