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The Official Cannabis collection · sheet 08No 08 · Green CrackGenetics

Genetics

Is Green Crack indica or sativa? Its genetics and family tree

Green Crack is a sativa, or a sativa-dominant hybrid in some listings, bred from Skunk #1 and a second parent that Leafly calls an unknown indica and Weedmaps and Humboldt Seed Organization call Afghani.1,2,3,4 The original circulated as a cutting; seeds sold under the name are separate lines.4,5,6

Family tree

  • Skunk #1Hybrid; late 1970s; a 1989 Super Sativa Seed Club line
  • Unknown indica or AfghaniLeafly: unknown indica; Weedmaps and HSO: Afghani

Green Crack

  • God's Green CrackGod Bud × Green Crack
  • Super Green CrackSuper Silver Haze × Green Crack
  • Green LanternGreen Crack × White Rhino (one account)
  • Green RibbonGreen Crack, Trainwreck, Afghanica and White Rhino
  • Green Crack CBDGreen Crack × California Orange CBD
  • Green PunchGreen Crack × Purple Punch
Parents and offspring as reported by Leafly, Weedmaps, Humboldt Seed Organization and SeedFinder.1,3,4,7,8,9,10,11,12,13

The two parents

Skunk #1 is a hybrid that first bloomed in the late 1970s; Sacred Seed Co. bred it from Afghani, Acapulco Gold and Colombian Gold genetics, and Leafly lists Green Crack and Granddaddy Purple among its offspring.7 Humboldt Seed Organization and an early grower’s account on SeedFinder specify a 1989 Super Sativa Seed Club Skunk #1, and Weedmaps also names a 1989 Super Sativa Seed Club parent.3,4,5

The second parent is less certain. Afghani, the parent named by Weedmaps and several seed sellers, is an indica from Afghanistan that Leafly says is prized for heavy resin production.3,4,14,15,16

Afghani or unknown indica? Four accounts

The sources agree on Skunk #1 but not on the second parent.

Second parentWho says so
An unknown indicaLeafly; the early grower’s account reproduced on SeedFinder1,5
Afghani (a landrace, or an “isolated Afghani cut”)Weedmaps; Humboldt Seed Organization; Crop King Seeds; DNA Genetics3,4,15,16
Afghani or an unknown indicaGreenState17
None: bred by inbreeding Skunk #1AllBud2

How sativa is it?

Leafly and Weedmaps list Green Crack as a sativa, and Leafly's grow guide calls it sativa-dominant.1,3,18 Published splits include 55% sativa for FastBuds' autoflower, 60% for Humboldt Seed Organization's seed version and 65% on AllBud, and a Mission Dispensaries guide cites reports of 70%.2,4,19,20

SeedFinder's database is the outlier: it files both the clone-only original and Humboldt Seed Organization's version as mostly indica, which conflicts with the breeder's own 60% sativa figure.4,5,21

The original cut and the seed versions

The original circulated as cuttings. SeedFinder files it under clone-only strains, and the account reproduced there says clones of the plant Snoop Dogg named proved identical to Cecil C.’s Cush.5

Seeds sold as Green Crack are separate lines; MerryJane says genuine Green Crack should come only from clone cuts and calls seeds sold online likely hybrids.6 Humboldt Seed Organization lists a 1989 Super Sativa Seed Club Skunk #1 × an isolated Afghani cut, Crop King Seeds and DNA Genetics list Skunk #1 × Afghani, and FastBuds sells an autoflowering version.4,15,16,19

In our lab dataset, results sold as Green Crush or Green Cush count as Green Crack, while CBD versions and crosses do not: we excluded 156 results under near-miss names, among them “CBD Green Crack” (11 results).22

Strains bred from Green Crack

StrainCrossSource
God's Green CrackGod Bud × Green Crack, a balanced hybrid bred by Jordan of the IslandsLeafly8
Super Green CrackSuper Silver Haze × Green CrackLeafly10
Green LanternGreen Crack × White Rhino by one account; Leafly calls its history undocumentedLeafly9
Green RibbonGreen Crack, Trainwreck, Afghanica and White Rhino; from San Jose, CaliforniaLeafly11
Green Crack CBDGreen Crack × California Orange CBD, a 1:2 THC:CBD seed line (Humboldt Seed Organization)Humboldt Seed Organization12
Green Punch (also sold as Green Crack Punch)Green Crack × Purple Punch (Royal Queen Seeds)SeedFinder13
Green Crack ExtremeLeafly calls it the more “extreme” sister of the original and lists Green Crack as its parentLeafly23

Granddaddy Purple is a sibling rather than an offspring: Leafly lists both it and Green Crack as children of Skunk #1.7

Sources

  1. Leafly, Green Crack strain information. Accessed Oct 3, 2026.
  2. AllBud, Green Crack marijuana strain information and reviews. Accessed Oct 3, 2026.
  3. Weedmaps, Green Crack strain page. Accessed Oct 3, 2026.
  4. Humboldt Seed Organization, Green Crack (feminized seeds). Accessed Oct 3, 2026.
  5. SeedFinder, Green Crack (Clone Only Strains). Accessed Oct 3, 2026.
  6. MERRY JANE, What is Green Crack, and how did this weed strain get its insane name?. Accessed Oct 3, 2026.
  7. Leafly, Skunk #1 strain information. Accessed Oct 3, 2026.
  8. Leafly, God's Green Crack strain information. Accessed Oct 3, 2026.
  9. Leafly, Green Lantern strain information. Accessed Oct 3, 2026.
  10. Leafly, Super Green Crack strain information. Accessed Oct 3, 2026.
  11. Leafly, Green Ribbon strain information. Accessed Oct 3, 2026.
  12. Humboldt Seed Organization, Green Crack CBD (feminized seeds). Accessed Oct 3, 2026.
  13. SeedFinder, Green Punch (Royal Queen Seeds). Accessed Oct 3, 2026.
  14. Leafly, Afghani strain information. Accessed Oct 3, 2026.
  15. Crop King Seeds, Green Crack feminized marijuana seeds. Accessed Oct 3, 2026.
  16. DNA Genetics, Green Crack cannabis strain. Accessed Oct 3, 2026.
  17. GreenState, Green Crack strain: all about this 90s weed icon (2024-01-09). Accessed Oct 3, 2026.
  18. Leafly, Tips for growing Green Crack cannabis (2021-02-22). Accessed Oct 3, 2026.
  19. FastBuds, Green Crack Auto. Accessed Oct 3, 2026.
  20. Mission Dispensaries, The perfect pick-me-up strain: Green Crack review (2022-07-03). Accessed Oct 3, 2026.
  21. SeedFinder, Green Crack (Humboldt Seed Organisation). Accessed Oct 3, 2026.
  22. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  23. Leafly, Green Crack Extreme strain information. Accessed Oct 3, 2026.