Dark blue, black and purple weed strains that are out of this world

Published Nov 15, 2019 10:00 a.m. ET
iStock / Yarygin

There are so many breathtaking weed strains on the market today that it can be difficult for an enthusiast to choose only one as a favorite, but there are rare marijuana plant breeds that impress everyone before they even have the chance to taste any. One look at these colorful colas is often enough to send people into a frenzy, skyrocketing the price of these delightful species, but only a few are so intense that they hardly look real, and those are the ones that we will feature here today.

Indica vs Sativa – Which is more colorful?

It’s quite common to see different green and reddish variations among weed strains, but deep and bold blues, purples and black are fewer, which is why some people never get to experience the darkest most beautiful side of cannabis. This genetic component is not something that is more common among either Indica or Sativa strains, but it does tend to be enhanced by hotter more humid climates.

What makes colors form in marijuana plant buds?

Every marijuana plant starts out as a bright light green seedling or clone that slowly evolves into a matured plant, boasting buds or seeds aplenty. It is not until well into the flowering process that most of these darker colors appear, and it happens for two reasons:

  • The first is genetics, which plays a massive role in how a plant will look.
  • The second is environment, through a process called photosynthesis. As the plant consumes the precious light rays it turns the excess proteins into bright beautiful colors which are most noticeable in the buds and leaves.

Do dark colors in a marijuana plants indicate potency?

Some of the darkest weed strains in the world are incredibly potent, but just like with any other marijuana plant, the color of the buds is not necessarily an indicator of potency or cannabinoid content. That is something that is determined by the trichomes and other determining factors that are not so easy to see with the naked eye. Aesthetics of a plant are only part of the equation and not one that is reliable enough to determine strength.

The best weed strains with black, purple, and blue hues


Some cannabis consumers enjoy a highly concentrated, more potent experience, while others prefer a lighter more manageable effect, so the best strain isn’t going to be the same for everyone. However, there are more than enough deep and dark colors weed strains to choose from on this list to find something that can suit the needs of everyone.

1. Black D.O.G.
Type: Indica
Color: Black
THC content: 17%
Aroma: Pepper, citrus and herbal
Parent strains: Blueberry Kush & Emerald Headband

2. Ayahuasca Purple
Type: Indica
Color: Purple
THC content: 21%
Aroma: Berry, grape and lavender
Parent strains: Master Kush & Red River

3. Blue Amnesia (autoflowering)
Type: Hybrid
Color: Blue
THC content: 18%
Aroma: Blueberry, berry, citrus, and skunk
Parent strains: Amnesia & Blueberry

4. The Black
Type: Indica
Color: Black & purple
THC content: 20%
Aroma: Fruity, grape, berry, and spicy
Parent strains: Black Velvet & Black Child

5. Blue Haze
Type: Hybrid
Color: Blue
THC content: 19%
Aroma: Spicy, herbal, pepper, and pine
Parent strains: Blueberry & Original Haze

Are all weed strains essentially the same


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