If your cannabis leaves and buds are turning purple, you have some dank kush on your hands. But seriously, most cannabis plants that produce a purple hue are due to the specific strain you’re growing and its genetics, which hold a particular compound that can fluctuate the color of your plants into purple, dark green, red, blue, and even black.

For a plant’s buds and leaves to turn purple, there has to be a significant amount of anthocyanins roaming around. This is a compound that’s present in plenty of colorful fruits and vegetables like blueberries, blackberries, beets, and grapes.

Anthocyanins are also rich in antioxidants when ingested through fruits or veggies, but our digestive tract breaks them down when smoked, meaning they won’t produce much of an effect.

Different growing conditions can also impact the overall color of your plant, which include temperature levels, access to light, and pH levels. There are a few myths stating that purple cannabis leaves are a sign of deprived nutrients, but that’s not the case.

If anything, a plant grown at a colder temperature will reduce the visible amounts of chlorophyll, exposing different hues and colors of the plant. Similarly, lower pH levels in plants will also produce more purple throughout the leaves and buds.

However, the most common reason for your purple plants is anthocyanins, which vary from plant to plant. Simply put, the more purple your plant, the more anthocyanins it contains.

Here are some strains to look out for that are rich in purple-producing anthocyanins

  • Purple Haze
  • Purple Trainwreck
  • Purple Kush
  • Blueberry Kush
  • Blackberry
  • Critical Purple
  • Granddaddy Purple
  • Fruity Pebbles
  • Purple Cheese
  • Strawberry Bliss
  • Strawberry Cough
  • Purple Urkle


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