Cactus Feminised

Here is what Cactus delivers at harvest: up to 200 g/m2 per square metre indoors, up to 300 g/plant per plant outdoors in Irish conditions, with resin production peaking at 23% THC. Those numbers tell a story when you work backwards through the 55-65 days window. Unlike quick-finishing indicas, this 20/80 cultivar distributes its weight gain across the full flowering period. Patience is non-negotiable — growers who chop early because they are anxious about autumn weather sacrifice 20-25% of their potential yield. For outdoor grows in Ireland, that patience runs straight into the weather: the harvest window is late September to early October and it does not move, so a long-flowering cultivar has to go out early or go under cover. The pinene-dominant terpene profile reaches peak complexity only in the final fortnight.

To reach the upper end of this strain's yield potential (up to 200 g/m2 indoors, up to 300 g/plant outdoors), focus your efforts on three critical windows during the 55-65 days period.

Window 1: The first 10 days after flowering begins. Stretch management determines canopy uniformity, which directly impacts light distribution and final yield. Stretch can reach 50-60% of pre-flower height. Supercrop any branches that outpace the canopy within the first week to maintain an even light field.

Window 2: Weeks 3-5 of bloom. Pinene 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 5-10% amber to preserve the cerebral, uplifting character. Outdoor growers: this window typically falls through the second half of September.

Flowering: 55-65 days. Indoor yield: up to 200 g/m2. Outdoor yield: up to 300 g/plant. Plant height: Medium. Rated easy difficulty.

The sensory arc of Cactus unfolds in stages. Initial inhalation at 23% THC brings a clean, resinous freshness reminiscent of a pine plantation in the mist belt after rain. The creative, happy, relaxed effects emerge within minutes, arriving as a noticeable sharpening of sensory perception. Colours look more saturated, music sounds richer, and conversations take interesting tangential paths. This cerebral engagement sustains for 2-3 hours with a gentle plateau rather than a sudden peak and crash. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.

Primary: Pinene · Secondary: Limonene · Tertiary: Caryophyllene. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with pinene presence, but after three to four weeks in sealed glass jars at 16-18°C, the caryophyllene undertone strengthens and the overall bouquet develops a layered complexity. Vaporisation between 180°C and 195°C captures the broadest spectrum of these terpenes — higher temperatures degrade the more volatile caryophyllene molecules first.

Who grows Cactus 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 easy, 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.