Grape Berry Hash Plant #12 by Helderberg Genetics
A sativa-leaning cross of Blueberry Hashplant × Sour Grape, Grape Berry Hash Plant #12 — released by Helderberg Genetics — shows up in a lot of tents for good reason. Indoors it typically finishes flowering in around 70 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Grape Berry Hash Plant #12 grows against.
🌿 Start a Grape Berry Hash Plant #12 journal — free →
Similar strains
| Breeder | Helderberg Genetics |
|---|---|
| Type | mostly sativa |
| Flowering time | ±70 days |
| Environment | Outdoors |
| Lineage | Blueberry Hashplant × Sour Grape |
🌱 Get Grape Berry Hash Plant #12 seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Blueberry Hashplant · Sour Grape
Ancestry Pedigree
Bodhi Seeds
Clone Only Strains
DJ Short
Unknown or Legendary
DJ Short
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Mr Nice Seedbank
Green House Seeds
Cultivators Choice
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Cultivators Choice
Clone Only Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Sensi Seeds
The Seed Bank
Unknown or Legendary
Original Strains
The Seed Bank
Unknown or Legendary
Original Strains
Unknown or Legendary
BOG Seeds
BOG Seeds
BOG Seeds
BOG Seeds
White Label
TH Seeds
Unknown or Legendary
Original Strains
Serious Seeds
TH Seeds
The Seed Bank
BOG Seeds
SubCools The Dank
SubCools The Dank
Original Strains
Original Strains
Sensi Seeds
The Seed Bank
Sensi Seeds
The Seed Bank
DJ Short
BOG Seeds
BOG Seeds
BOG Seeds
BOG Seeds
Growing Grape Berry Hash Plant #12: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Blueberry Hashplant or Sour Grape 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.
Grape Berry Hash Plant #12 FAQ
How long does Grape Berry Hash Plant #12 take to flower?
Grape Berry Hash Plant #12 typically flowers in around 70 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Grape Berry Hash Plant #12 an indica or a sativa?
Grape Berry Hash Plant #12 is listed as mostly sativa.
What are the parents of Grape Berry Hash Plant #12?
Grape Berry Hash Plant #12 was bred from Blueberry Hashplant × Sour Grape by Helderberg Genetics.
What environment does Grape Berry Hash Plant #12 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.
📷 Growing Grape Berry Hash Plant #12 and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Grape Berry Hash Plant #12? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
Track your own grow free — the journal grades your environment against these bands →
Get the one-page grow reference card
VPD, pH by medium, deficiency symptoms and dry/cure targets on a single printable page. Free — plus the occasional grow-data breakdown. No spam, unsubscribe in one click.