Black Rubble by Jordan of the Islands
Black Rubble lands on the hybrid side of the spectrum, Jordan of the Islands's take on the Barney Rubble × Blackberry Kush line. Indoors it typically finishes flowering in around 63 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Black Rubble grows against.
🌿 Start a Black Rubble journal — free →
Similar strains
| Breeder | Jordan of the Islands |
|---|---|
| Flowering time | ±63 days |
| Environment | Outdoors |
| Lineage | Barney Rubble × Blackberry Kush |
🌱 Get Black Rubble seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Barney Rubble · Blackberry Kush
Ancestry Pedigree
Cannarado Genetics
Obsoul33t Genetics
Clone Only Strains
Unknown or Legendary
Unknown or Legendary
Dutch Passion
Unknown or Legendary
Original Strains
Unknown or Legendary
Clone Only Strains
Original Strains
Unknown or Legendary
Original Strains
Gage Green Genetics
Unknown or Legendary
Original Strains
Gage Green Genetics
Clone Only Strains
Clone Only Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Sensi Seeds
Sensi Seeds
The Seed Bank
Cultivators Choice
Original Strains
Original Strains
Original Strains
Original Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Cultivators Choice
Unknown or Legendary
Alien Genetics
Unknown or Legendary
Clone Only Strains
Original Strains
Clone Only Strains
Sensi Seeds
Original Strains
Original Strains
Original Strains
Alien Genetics
The Cali Connection
Clone Only Strains
The Cali Connection
Clone Only Strains
Clone Only Strains
Sensi Seeds
Alien Genetics
Clone Only Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Jordan of the Islands
Unknown or Legendary
Clone Only Strains
Unknown or Legendary
Clone Only Strains
Clone Only Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Original Strains
Unknown or Legendary
Original Strains
Growing Black Rubble: what to expect
As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Black Rubble can lean either direction. Growers familiar with Barney Rubble or Blackberry Kush 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.
Black Rubble FAQ
How long does Black Rubble take to flower?
Black Rubble 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 Black Rubble an indica or a sativa?
The breeder doesn't specify — treat it as a hybrid and read the plant.
What are the parents of Black Rubble?
Black Rubble was bred from Barney Rubble × Blackberry Kush by Jordan of the Islands.
What environment does Black Rubble 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 Black Rubble and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Black Rubble? 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.