Treasure Island Feminised

Here is what Treasure Island delivers at harvest: 340-454 g/m2 per square metre indoors, 454-709 g/plan per plant outdoors in Irish conditions, with resin production peaking at 25% THC. Those numbers tell a story when you work backwards through the 8-9 weeks window. Weight distribution across the 8-9 weeks cycle is pleasingly even, with a noticeable surge in the closing two weeks that rewards growers who resist harvesting prematurely. The 40/60 balance means you get both calyx stacking density and respectable trichome spread. For outdoor growers, the ideal harvest window lands between mid-September and the first week of October — late enough to capture the full caryophyllene terpene development, early enough to beat the autumn rain that ends the Irish season.

To reach the upper end of this strain's yield potential (340-454 g/m2 indoors, 454-709 g/plan outdoors), focus your efforts on three critical windows during the 8-9 weeks period.

Window 1: The first 10 days after flowering begins. Stretch management determines canopy uniformity, which directly impacts light distribution and final yield. Moderate 30-40% stretch is typical. One round of low-stress training on the tallest shoots keeps everything level.

Window 2: Weeks 3-5 of bloom. Caryophyllene terpene biosynthesis ramps up during this period. Maintain a day/night temperature differential of at least 6-8°C to encourage terpene accumulation. Outdoors in Ireland the sea keeps that swing narrow — a maritime climate has a smaller diurnal range than a continental one, and the midland counties away from the coast are the only places that reliably deliver it. Indoor cultivators should target 25-26°C during lights-on and 18-20°C during lights-off. Supplement with potassium-heavy bloom nutrients at EC 1.6-1.8.

Window 3: Final 10-14 days before harvest. Cease all nutrient input and flush with pH-adjusted water. Monitor trichomes daily with a 60x jeweller's loupe — harvest at 10-15% amber for a balanced effect. Outdoor growers: this window typically falls through the second half of September.

Flowering: 8-9 weeks. Indoor yield: 340-454 g/m2. Outdoor yield: 454-709 g/plan. Plant height: Medium (150-245 cm). Rated moderate difficulty.

The sensory arc of Treasure Island unfolds in stages. Initial inhalation at 25% THC brings a warm peppery spice that tingles at the back of the throat. The relaxed, happy, euphoric effects emerge within minutes, presenting as a simultaneous head-and-body experience. Mental clarity remains intact whilst the muscles release tension progressively. This dual action makes it adaptable — a lighter dose suits afternoon tasks, a heavier dose transitions seamlessly into evening relaxation. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.

Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. 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 caryophyllene dominance anchors the aroma, limonene provides mid-range character, and myrcene contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

Who grows Treasure Island successfully? Indoor growers seeking full control over their harvest timeline. Outdoor cultivators who want to decide exactly when flowering begins. Anyone with the space and patience to vegetate this plant to its full potential before triggering bloom. Difficulty is rated moderate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered nationwide in discreet, unbranded packaging with sourced grow data on every strain page.