(6 customer reviews)

Blackwater Autoflowering Feminized Seeds

From: $29.99

Blackwater is the perfect companion for an evening of full-body relaxation at home.

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With a name that sounds dark and mysterious, some cannabis users might be intimidated to try this particular strain. However, despite its moniker, Blackwater is actually a laid-back strain that is indica-dominant and a cross between Mendocino Purple and San Fernando Valley OG Kush. Its THC concentration can range from anywhere between 7 to 17 percent.

Recreational cannabis users should be prepared for Blackwater’s somewhat intense body high. Though it takes some time to reach its peak, once a calming sensation takes hold, users may find it difficult to remove themselves from their seated position. Some Blackwater users have noted that they experience some psychedelic effects, but others find this strain perfect for zoning out with some good tunes or a film.

As larger amounts of Blackwater are consumed, the body high can intensify. This makes the strain ideal for those suffering from chronic pains or aches. It has also become popular with many people who are dealing with stress-related issues like depression or worries, or even PTSD.

Additional information


Original Harvest Seeds

Flowering Time

55-65 days

Cannabis Species




CBD Level

Low (<2%)

Feels Like

Happy, Relaxed, Sleepy

Yield Indoors (per m²)

Up to 450g/m²

Yield Outdoors

Up to 550 gr

To Treat

Insomnia, Pain, Stress


Berry, Earthy, Woody

Skill Level


Plant Sex


Flowering Type






6 reviews for Blackwater Autoflowering Feminized Seeds

  1. Carlos Vazquez (verified owner)

    Blackwater Autoflowering Feminized Seeds offer an intriguing and mysterious strain that is perfect for those seeking relaxation and stress relief. With a potent indica-dominant blend, this Blackwater strain is ideal for zoning out and enjoying a calming body high. The seeds from Original Harvest Seeds have proven to be of excellent quality, with all of them successfully germinating.

  2. Ruth Lopez (verified owner)

    Makes me heavy tired yo….but definitely worth it in my book. Takes a few extra weeks to cultivate (usually about 4 months in total) but gives me a fresh and exceptional yield!

  3. Alana Baldwin (verified owner)

    The ultimate do-nothing strain….has a bitter earthy flavor and a harsh smoke….can you handle it? A few hits of Blackwater and you are out for the count. This MJ is strong, not for everyone, but it grows nice and compact in any garden, never getting too big or falling over!! Requires consistent upkeep, like almost every day, but definitely a win for homegrowers everywhere!

  4. Kimberly Hunt (verified owner)

    Don’t be intimidated by the name or the growing profile, this weed is fun to work with both indoors and out. I am lucky enough to have a small greenhouse which makes weed growing so much easier, but now I am getting ambitious and setting up a hydroponic setup, absolutely brilliant and fresh. Can’t wait for the next go-around!

  5. Esmeralda Olson (verified owner)

    Blackwater is a fantastic strain for those seeking relief from insomnia, pain, and stress. The berry, earthy, and woody taste is delightful, and the happy, relaxed, and sleepy feelings provide a great calming effect. With an easy skill level, these feminized seeds grow into medium-sized plants that yield largely, making it a great choice for both novice and experienced growers alike.

  6. Ainsley Dickerson (verified owner)

    This weed sounds dank and mysterious and delivers! Great vibes are abound with blackwater weed. I was able to grow 5 plants (5/5 germination) and harvested about 100 – 150 G per plant. Some of the freshest weed I have ever smoked. It’s light, sticky, and the high is suuuuper intense! I love smoking it at night before I go to sleep!

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