California Grapefruit Feminised

Germination & Early Veg (Days 1-14): California Grapefruit seeds typically crack within 48 hours using the damp paper towel method and break soil by around day 3. Early growth was steady and symmetrical — neither racing ahead nor lagging behind. Four well-developed nodes by day 14 with balanced internodal distance that hinted at the hybrid structure to come. Damping off is uncommon at around 70% relative humidity during this phase.

Vegetative Growth (Weeks 3-6): Responded beautifully to a simple top-and-train approach. Topping at node 4 produced six strong lateral leaders that we tied down gently, resulting in an even canopy across a 70cm x 70cm area by the time we flipped.

Flower (Weeks 1-9): This is where the 39/61 genetics of California Grapefruit truly revealed itself. The myrcene aroma appeared in week 3 of flower and intensified steadily. Trichome coverage became visually striking from week 5 onward. Final indoor yield: 400–500 g/m². Plant height: 50–140 cm. THC testing at 12%. Difficulty rating: easy.

Mid-Flower (Weeks 4-6): The transformation accelerated dramatically. Bud sites that were wispy clusters at week 3 swelled into properly defined colas. Balanced development across all bud sites. The canopy we established during veg paid dividends now — eight equally developed colas rather than one dominant top and a collection of lesser branches. Trichome production was visible to the naked eye from week 4 onward.

Late Flower and Ripening (Weeks 7-9): Nutrient input dropped to plain water with a splash of molasses for the final 10 days. The myrcene aroma became powerful enough that carbon filtration was essential — our neighbours would have noticed otherwise. Trichomes progressed from clear to milky across the final fortnight, with amber heads appearing on sugar leaves first. A common harvest window is around 15% amber on the calyxes.

Dry and Cure (Post-Harvest): Whole-plant hang dry in a darkened room at 17°C and 58% humidity for 12 days. Stems snapped cleanly rather than bending, confirming the moisture content was appropriate for jarring. After 4 weeks of glass jar curing with twice-daily burping (first 2 weeks) then daily burping (weeks 3-4), the bouquet fully developed. Final weight confirmed the 400–500 g/m² yield estimate. The limonene secondary terpene became far more pronounced after curing than it was at harvest — a reminder that the drying and curing process genuinely creates flavour rather than merely preserving it.

Flowering: 8-9 weeks. Indoor yield: 400–500 g/m². Outdoor yield: 400–600 g/plant. Plant height: 50–140 cm. Rated easy difficulty. Feminised seeds.

Irish users report euphoric, creative, calm as the defining characteristics, and our experience aligns with that consensus. At 12% THC, this hybrid sits in a potency bracket where versatility is the main advantage. Morning users report functional clarity at lower doses. Evening users report satisfying relaxation at higher doses. The 39/61 balance means the dominant effect direction shifts with consumption amount rather than being locked into a single character. The Myrcene/Limonene terpene combination imparts a flavour that lingers on the palate — earthy and slightly sweet with a fruit-like finish.

Ideal settings: adaptable across occasions — adjust dose to match the energy level your situation calls for.

Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most growers find immediately appealing when jars are first opened after curing. The myrcene dominance anchors the aroma, limonene provides mid-range character, and pinene contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

California Grapefruit suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing — extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The Irish growing season (September through May) accommodates the 8-9 weeks bloom period comfortably for outdoor growers in the warmer, frost-free counties. Shipped discreetly within Ireland with sourced grow figures on every strain page.