Green Crack by Humboldt Seed Org.

Type mostly indicaFlower ±63 daysCross Green Crack

9 other breeders' versions of Green Crack — compare flowering times side by side →

You can't talk about early 90s California cash crops without tipping your hat to Green Crack. Humboldt Seed Organization put out a killer version of this old-school classic, leaning heavily into those legacy Emerald Triangle genetics. HSO’s cut traces back to a 1989 Super Sativa Seed Club Skunk #1 crossed with a heavy isolated Afghani. Back then, people called it Cush or Mango Crack until Snoop supposedly renamed it because the high was just that energetic. It’s an absolute powerhouse of a sativa-dominant hybrid, giving you this soaring, racey head high without completely losing the dense bud structure we all want.

In the grow room, Green Crack is a workhorse. It grows like a weed, quite literally, throwing down this massive Christmas tree structure that handles training like a champ. What blows my mind is the flowering time. You've got this sativa-leaning plant that finishes in 60 to 65 days indoors, which is practically unheard of for something with this kind of effect. Plus, she’s tough as nails against mold and pests, making her a staple for massive outdoor runs in NorCal where she finishes by early October before the bad weather hits.

But the real magic is in the terpene profile. When you open a bag of HSO's Green Crack, it just blasts you in the face with this crazy mix of sweet mango, citrus, and sharp cedar wood. The yields are massive, and the stability of the HSO line means you aren't hunting through dozens of seeds to find a winner. It’s one of those rare cuts that keeps both commercial croppers and personal headstash growers extremely happy.

🏆 Legendary Foundation Strain

This is one of the most influential cannabis varieties in history. Green Crack has been used to breed 75 documented descendant strains in our database, making it a cornerstone of modern genetics.

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Breeder	Humboldt Seed Org.
Type	mostly indica
Flowering time	±63 days
Environment	Outdoors
Lineage	Green Crack
Descendants	CBD Crack, Riot Seeds - Purple Bubba Crack, Apple Butter, House of Funk Genetics - Green Python, Oregon Green Seed - Lily Koi, Banana Crack, Thin Mint Crack, Green Dreams, Craze, Elev8 Seeds - Green Crack, Riot Seeds - Green Crack S1, Bubble Crack, Green Crack, Grape Stompin Crack, ShishKaCrack, The Ooze, Green Crack Fast Flowering, Green Crack Kush, Green Smack, Bubba Jack, Green Crack, Strawberry Crack, Cosmic Charlie, The Hulk, Platinum Banana Crack, Rise ‘n’ Shine, Violet Haze, Blueberry Crack, Green Crack, Flowerbomb Kush, Cave Gurl, Crack Walker, Green Crack, Kryptonite OG, Green Lantern, Alien Bubba Crack, Apricot Papaya, Green Crush, Green Crack Auto, Green Crack Diesel, Vale' Vale', Yoda's Revenge, Girl Scout Cookies, Roadkill Pie, Purple Crack, Humboldt Seed Organisation - Green Crack CBD, Super Green Crack, Purple Crack, Blue Cush, Crazy Lazy, The Void, Anna Lee, Green Crack, Banner Green Hulk, Green Crack, Holy Crack, Big Crack Tsunami, Riot Seeds - Killer Crack, Green Crack, Green Cush, Green Punch, Wet Dream BX1, Pineapple Crack, Sour Crack, Green Dream, Triple XXL Auto, White Crack, Green Crack, Chemdog #4, Psycho Crack, Green Crack, Appalachia, Slurpee Machine, Crack Dawg, Mr. Mango Crack

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🧬 Explore the family: Green Crack · CBD Crack · Riot Seeds - Purple Bubba Crack · Apple Butter · House of Funk Genetics - Green Python · Oregon Green Seed - Lily Koi · Banana Crack · Thin Mint Crack · Green Dreams

Ancestry Pedigree

Green Crack
Humboldt Seed Org.

Green Crack
Breeder: Humboldt Seed Org.
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Green Crack
Clone Only Strains

Skunk 1
Super Sativa Seed Club

Skunk Nr1
Cultivators Choice

Afghanistan Indica
Original Strains

Mexico Sativa
Original Strains

Indica
Original Strains

Growing Green Crack: what to expect

As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Green Crack will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Green Crack FAQ

How long does Green Crack take to flower?

Green Crack typically flowers in around 63 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Green Crack an indica or a sativa?

Green Crack is listed as mostly indica.

What are the parents of Green Crack?

Green Crack was bred from Green Crack by Humboldt Seed Org..

What environment does Green Crack like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.