Amnesia OG
- THC
- 16%
- Flowering
- 8–10 wk
- Terpene
- Caryophyllene
- Effect
- Euphoric
- Difficulty
- Intermediate
Grim Bastard strain
Bred by Solfire Gardens · Biker Kush × Black Banana
Strain facts
Checked Aug 13, 2026 · 3 sources
Grim Bastard is a hybrid from Solfire Gardens, bred from Biker Kush and Black Banana. Its THC is about 23% (one source lists 20–25%), higher than 68% of the 2,347 strains in our database that list THC.
Learn to grow Grim Bastard: Indoor & Outdoor Growing course, $199
- Type
- Hybrid
- THC
- About 23%20–25% · 1 source
- Top terpenes
- Myrcene earthy, musky
- Caryophyllene peppery, spicy
- Limonene citrus
- Lineage
- Biker Kush × Black Banana
- Breeder
- Solfire Gardens
3 sources for this profile
- Leafly public strain listing
- Weedmaps public strain listing
- Breeder information: Solfire Gardens
CTU writes every profile from these facts; we do not copy other sites' descriptions. Values that are a generic default in the source data are left out. Last checked Aug 13, 2026.
Source: CTU strain dataset (public strain listings and breeder info, checked by CTU), verified Oct 2026. Potency, flavor and effects vary by grower, batch and plant. Facts no source lists are left out.
How to grow Grim Bastard
The grow facts a breeder or public strain listing gives for Grim Bastard.
- Outdoor harvest
- SeptemberEarlier than 77% of strains with a listed month
Listed outdoor harvest (northern hemisphere)
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Source: CTU strain dataset, verified Oct 2026. Percentages compare with every strain in our database that lists the same fact.
Learn to grow Grim Bastard: Indoor & Outdoor Growing course, $199
About Grim Bastard
Grim Bastard is listed in public strain databases as a hybrid attributed to Solfire Gardens. Public lineage data lists it as a cross of Biker Kush and Black Banana.
Grim Bastard THC level
Public listings give Grim Bastard a THC level of 20–25%, which is in the upper third of our dataset. Compared with all strains in our research dataset that have their own THC figure, it is higher than roughly 69% of them. Potency varies by grower, batch and lab, so read these numbers as typical values, not guarantees.
Grim Bastard aroma, flavor and terpenes
Its most-reported flavor notes are apple, berry, grape and earthy. Its top listed terpenes are myrcene (earthy, musky), caryophyllene (peppery, spicy) and limonene (citrus). Myrcene is the lead terpene for about 44% of the high-confidence strains in our dataset, so it is a common profile. Terpenes shape smell and taste; their levels change from batch to batch.
Reported effects of Grim Bastard
People who have tried Grim Bastard most often report feeling euphoric, happy, focused, relaxed and energetic. These are user reports, not promises. Effects differ from person to person and depend on dose, setting and tolerance.
Growing Grim Bastard: what the data says
Outdoors in the Northern Hemisphere, harvest is listed for September. Grow where home cultivation is legal, and follow your state rules.
Grim Bastard family tree
Its parents, from published lineage.
This strain
Grim BastardHybrid · 20–25% THC
Similar strains
Matched on shared parents, top terpenes, type and THC. Never on medical use.
Crumbled Lime
- THC
- 20–25%
- Flowering
- 9 wk
- Terpene
- Limonene
- Effect
- Happy
Don Mega
aka The Don Mega
- THC
- 20–29%
- Flowering
- 8–9.5 wk
- Terpene
- Caryophyllene
- Effect
- Relaxed
- Difficulty
- Intermediate
- Height
- Very tall
Ghost Rider OG
aka Ghost Rider
- THC
- 12–22%
- Flowering
- 8–9 wk
- Terpene
- Myrcene
- Effect
- Relaxed
- Difficulty
- Beginner
Where to buy
Find licensed dispensaries in your state
Only state-licensed stores, checked against official license lists.
Grow it
Flowering time, height and difficulty from the sources, then the full method in the Growing course.
