Grape Rock Candy by Square One Genetics

Grape Rock Candy strain photo
Flower ±60 daysCross Peanut Butter Breath × Purple Punch

A hybrid cross of Peanut Butter Breath × Purple Punch, Grape Rock Candy — released by Square One Genetics — shows up in a lot of tents for good reason. Indoors it typically finishes flowering in around 60 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Grape Rock Candy grows against.

🌿 Start a Grape Rock Candy journal — free →

Similar strains

Brisker OGSquare One Genetics · ±63 daysPoly ShoreSquare One Genetics · ±65 daysPeanut Butter CookiesSquare One Genetics · ±63 daysGooberSquare One Genetics · ±65 daysAll Square One Genetics →
BreederSquare One Genetics
Flowering time±60 days
EnvironmentOutdoors
LineagePeanut Butter Breath × Purple Punch

🌱 Get Grape Rock Candy seeds →
Affiliate link — supports Cultivar at no cost to you.

🧬 Explore the family: Peanut Butter Breath · Purple Punch

Ancestry Pedigree

Peanut Butter Breath
ThugPug Genetics
Do-Si-Dos
Archive Seed Bank
OG Kush Breath
Unknown or Legendary
Girl Scout Cookies
Clone Only Strains
GSC Thin Mints
Clone Only Strains
Cherry Pie Kush
Unknown or Legendary
Cherry Pie
Clone Only Strains
Durban Poison
Dutch Passion
Durban Poison
Unknown or Legendary
South Africa Sativa
Original Strains
Grand Daddy Purple
Unknown or Legendary
Purple Urkel
Clone Only Strains
Mostly Indica
Original Strains
Big Bud
The Seed Bank
USA Indica
Original Strains
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
USA Indica
Original Strains
Chemdog
Unknown or Legendary
Indica Sativa
Original Strains
Face Off OG BX1
Archive Seed Bank
Unknown Strain
Original Strains
OG Kush
Clone Only Strains
Unknown Strain
Original Strains
Hindu Kush Indica
Original Strains
Face-Off OG Kush
Clone Only Strains
Mendo Breath F2
Gage Green Genetics
Mendo Breath F1
Gage Green Genetics
Cherry Pie Kush
Unknown or Legendary
Mendo Montage
Gage Green Genetics
Mendo Purps
Unknown or Legendary
USA Mostly Indica
Original Strains
Crystal Locomotive
Clone Only Strains
Trainwreck
Clone Only Strains
USA Hybrid
Original Strains
98 Aloha White Widow
Unknown or Legendary
Aloha White Widow
Clone Only Strains
White Widow
Green House Seeds
White Widow
De Sjamaan
Brazil Sativa
Original Strains
India Indica
Original Strains
Black Widow
Mr Nice Seedbank
White Widow
Green House Seeds
Mendo Breath F1
Gage Green Genetics
Purple Punch
Unknown or Legendary
Lemon Larry
Unknown or Legendary
OG Kush
Clone Only Strains
Sour Diesel IBL
Reservoir Seeds
Sour Diesel
Unknown or Legendary
Original Diesel
Unknown or Legendary
MassSuperSkunk
Unknown or Legendary
Super Skunk
Sensi Seeds
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Afghanistan Indica
Original Strains
Chemdog
Unknown or Legendary
DNL
Unknown or Legendary
RFK
Unknown or Legendary
Skunk
Unknown or Legendary
Skunk Nr1
Cultivators Choice
Northern Lights
Unknown or Legendary
Purest Indica
Clone Only Strains
Double Sour Diesel
Reservoir Seeds
Sour Diesel
Unknown or Legendary
NYC Diesel
Soma Seeds
Unknown Strain
Original Strains
Afghani Hawaiian
Mr Nice Seedbank
Afghani
Unknown or Legendary
Hawaii Hybrid
Original Strains
Grand Daddy Purple
Unknown or Legendary

Growing Grape Rock Candy: what to expect

As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Grape Rock Candy can lean either direction. Growers familiar with Peanut Butter Breath or Purple Punch 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 Rock Candy FAQ

How long does Grape Rock Candy take to flower?

Grape Rock Candy typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Grape Rock Candy an indica or a sativa?

The breeder doesn't specify — treat it as a hybrid and read the plant.

What are the parents of Grape Rock Candy?

Grape Rock Candy was bred from Peanut Butter Breath × Purple Punch by Square One Genetics.

What environment does Grape Rock Candy 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 Rock Candy and something looks off? Free AI photo diagnosis →

Facts compiled from public breeder listings. Growing Grape Rock Candy? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

Suggest an edit for Grape Rock Candy

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.

Or just open the card now — no email needed →

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.