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Hemmy Black by KOS

Rev's Rave

Hemmy Black by KOS

Large dense stinky Hemmy Black buds using 400w HID lighting and TLO

GREETINGS MY UBER STINKY CANNABIS-LOVING FRIENDS. Time for a Rev’s Rave, with one from KOS today called Hemmy Black. I just blazed about a thin doobie worth of this variety a few hours ago and I am still wicked lit. This variety also has one of my old time favorite smelling phenotypes within the line: “Cat Piss” and I don’t mean a little bit; very pungent indeed yikes

I know that if you have never experienced a true cat piss variety you may think… “Rev, why would I want my cannabis smelling and tasting like cat pee?” I know it is counter intuitive for reals, but this particular terpene profile is one of my all-time favorites and takes me back to the mid-eighties in Fallbrook, CA, cropping olden Cat Piss along with several other oldies but goodies. This one is unique for sure in high-type and not sleepy at all, but body-wise relaxing. My brain goes like a hundred miles an hour, and I am in a super creative and mostly motivated state of mind. Munchies are very low for me, but there are some demon red eyes and severe cottonmouth that go along with this one.

Variety Description

NAME: Hemmy Black

BREEDER: KOS (Kingdom Organic Seeds)


LINE: Cherry Hemmingway x Darkling Sativa


PHOTOPERIODS: Sprouting 16/8, Veg 18/6, Flowering 11.5/12.5

WEIGHT: Large & Dense


SATIVA/INDICA/RUDI RATIOS: Sativa Dominant approx. 70/30

HARVEST OUTDOORS: Unknown but likely 2nd half of October in northern hemisphere


GENERATION: F1 Poly hybrid

SEXUAL RATIOS: Female heavy; 6:4 female to male approx.


Magnesium Hemmy Black at 6 weeks, 400w MH-HID lighting and TLO

The father is the legendary Cherry Hemmingway (by KOS) male. A hybrid of a landrace Bhutan, and Rez Dog’s Firecracker (Williams Wonder x NYC Diesel both pre-2000 versions). The female, another of KOS’s own, the Darkling Sativa, a cross of the Vietnam Black jungle sativa (landrace) and the F3 Cherry Bomb; out of Hawaii; called Black Forrest. The Cherry Bomb was an intoxicating massive yielding genotype with insane vigor; the Cherry Bomb was made using 3 Hawaiian cultivars including Puna Budder and Elephant Ear, also in the Cherry Bomb mix was the legendary Cherry AK47. The male used for the Darkling sativa was a C99. 

This hybrid is fairly heat and drought tolerant due to the strong influences of the Cherry Hemmingway and the Vietnamese in the mix. She is a huge yielding variety with serious notes of cat piss (Haze) and Nag Champa incense coming off the massive number of well-developed bud sites. Some phenotypes have a cream soda, citrus, or vanilla background to them. I have never even heard of a small yielding or weak female. Tons of old school yummies in this blend from KOS. Count on her to at least double in size during flowering.


Magnesium Hemmy Black 3 days before harvesting, all TLO, all the time

Please do not sprout these on a 24/0 photoperiod and KOS recommends 16/8 for sprouting and until 30 days old. Always allow plants to get at least 55 days old from sprouting, before starting to flower for maximum resin production. KOS always recommends organically growing our gear for the full appreciation of smells and flavors. Remember that clones work best in containers and seed plants work best in the ground.

I would not recommend this hybrid for humid conditions during flowering, like coastal growing outdoors or in greenhouses without humidity control. The Cherry Hemmingway has been known to mold badly outdoors in high humidity, with both powdery and bud rot due to her massively dense and large colas. Another thing I would take into account is your flowering environment, make sure your flowering areas are DARK during the flowering darkness cycles. The Cherry Hemmingway does not handle any kind of light poisoning events well, and in about 10 days will show hermaphrodite responses in the form of some bananas.

On the up-sides big-time are; huge yields, insane vigor, fast rooting response from cuttings, deadly smells and flavors with some SERIOUS cat-piss phenotypes. There are phenotypes that lean a bit more or less sativa and all of them I have tried are wonderful as well as everyone I have heard from that raves about them to me.

Points to consider when purchasing this variety are:

  • Must have excellent air exchange, and air circulation.
  • Must have humidity control indoors during flowering. She’s all good flowering between 30-65% humidity (RH).
  • Better as an indoor choice than outdoor, depending on outdoor humidity.


AVAILABILITY: link to Hemmy Black Directly –


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