Blue Hawaiian by CalCo Genetics
2 other breeders' versions of Blue Hawaiian — compare flowering times side by side →
Growers reach for Blue Hawaiian as an indica-leaning option, a cross of Kona Sunset × Blueberry Syrup out of CalCo Genetics. 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 Blue Hawaiian grows against.
🌿 Start a Blue Hawaiian journal — free →
Similar strains
| Breeder | CalCo Genetics |
|---|---|
| Type | mostly indica |
| Flowering time | ±63 days |
| Environment | Outdoors |
| Lineage | Kona Sunset × Blueberry Syrup |
🌱 Get Blue Hawaiian seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Blueberry Syrup
Ancestry Pedigree
Gooey Breeder Seeds
Original Strains
Gooey Breeder Seeds
Clone Only Strains
Original Strains
Original Strains
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Original Strains
Original Strains
CalCo Genetics
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
Unknown or Legendary
Original Strains
Unknown or Legendary
Dungeons Vault Genetics
Clone Only Strains
Dutch Passion
Unknown or Legendary
Original Strains
Unknown or Legendary
Clone Only Strains
Original Strains
The Seed Bank
Original Strains
Clone Only Strains
Unknown or Legendary
Original Strains
Dungeons Vault Genetics
Clone Only Strains
Original Strains
Original Strains
Unknown or Legendary
Clone Only Strains
Clone Only Strains
Unknown or Legendary
Clone Only Strains
Unknown or Legendary
Original Strains
Growing Blue Hawaiian: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Kona Sunset or Blueberry Syrup 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.
Blue Hawaiian FAQ
How long does Blue Hawaiian take to flower?
Blue Hawaiian 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 Blue Hawaiian an indica or a sativa?
Blue Hawaiian is listed as mostly indica.
What are the parents of Blue Hawaiian?
Blue Hawaiian was bred from Kona Sunset × Blueberry Syrup by CalCo Genetics.
What environment does Blue Hawaiian 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 Blue Hawaiian and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Blue Hawaiian? 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.