RK
Primus cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 22%
📈 High Yield
IndicaFeminisedIn Stock

Primus Feminised

Order Primus Feminised seeds online in Ireland. A quality indica cultivar at 22% THC delivering focused, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

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₮10.04EUR
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About Primus Feminised

Can I grow Primus outdoors in Ireland? Absolutely. This 79/21 indica suits the Irish outdoor season, planted out at the end of May and harvested by early October. The compact growth habit means it will not tower above your fence line, and the dense flower structure packs serious weight into a manageable frame. Flowering takes 55-65 days, placing your harvest window squarely between mid-September and early October for most Irish counties.

What kind of yield should I realistically expect? Indoor growers pulling up to 350 g/m2 is achievable with decent LED lighting and attentive feeding. Outdoors, up to 400 g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 22% THC and a myrcene-forward terpene profile, the quality-to-effort ratio makes Primus genuinely worthwhile.

Is this strain forgiving for newer growers? Reasonably so. A grower with basic knowledge of pH, feeding schedules, and light cycles will manage fine. It is not the most forgiving plant if you neglect it entirely, but it will not collapse at the first missed watering either.

More Questions Irish Growers Ask About Primus

What growing medium works best for this strain? For maximum flavour complexity, organic soil blended with 30% perlite and enriched with slow-release amendments (bone meal, rock phosphate, kelp meal — all readily available from a garden centre, an agricultural co-op or your local hydro shop). For maximum yield, coco coir with automated fertigation at EC 1.4-1.8 during bloom. Both approaches produce excellent results with this indica genetics.

How does it handle an Irish summer? Heat is not the test here — a warm Irish week peaks in the mid-twenties. The test is whether that dense foliage dries out between showers. Space plants generously, strip the lower fan leaves once flowers set, and keep air moving through the base of the canopy.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 79/21 genetics shifts its nutritional demand rapidly at the transition. Phosphorus and potassium uptake increases noticeably, whilst nitrogen demand drops. An organic top-dress of bat guano and sulphate of potash works well for soil growers; hydro and coco growers should switch to a bloom-ratio formula (low N, high PK) immediately.

Indoor or outdoor — which is better for this strain? Both work. Indoor gives you control over the 55-65 days environment. Outdoor in the Irish season (late May to early October) gives the plant seventeen hours of midsummer daylight to work with, which is genuinely hard to match indoors, and is where the up to 400 g/plant figure comes from — the cost is that the finish is a race against the autumn. Flowering: 55-65 days. Indoor yield: up to 350 g/m2. Outdoor yield: up to 400 g/plant. Plant height: 90-120 cm. Medium. Rated moderate difficulty.

What to Expect When Using Primus

Irish users report focused, calm as the defining characteristics, and our experience aligns with that consensus. At 22% THC, this indica sits in a potency bracket where dosage control genuinely matters. A single bowl in a vaporiser at 185°C produces a manageable, pleasant body relaxation with intact mental function — perfect for winding down after a long day in the summer sun. Increasing the dose shifts the experience firmly towards physical sedation, and many users find this their preferred nighttime cultivar during the cooler months. The Myrcene/Humulene terpene combination imparts a flavour that lingers on the palate — earthy and slightly sweet with a fruit-like finish.

Ideal settings: quiet evenings, film nights, post-exercise recovery, and sleep preparation.

Terpene Breakdown

Primary: Myrcene · Secondary: Humulene · Tertiary: Linalool. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with myrcene presence, but after three to four weeks in sealed glass jars at 16-18°C, the linalool 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 linalool molecules first.

Suitability and Recommendations

Primus 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 55-65 days bloom period comfortably for outdoor growers in the warmer, frost-free counties. Shipped discreetly within Ireland with sourced grow figures on every strain page.

Effects

🧠Focused
76% of people reported feeling Focused
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
ðŸ˜īSleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
ðŸĪĪHungry
41% of people reported feeling Hungry
ðŸĪ—Euphoric
33% of people reported feeling Euphoric
ðŸŒŋStress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

âœĶ Evening
âœĶ Relaxation
âœĶ Sleep Support

Strain Type

Indica 79%Sativa 21%

Strain Data Sheet

🧎THC22% - 25% (High)
ðŸŒŋLineageArcata × Trainwreck × 303 OG
🔎TypeFeminised Indica
ðŸŒĄClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height90-120 cm. Medium
⚖ïļYieldMedium
🏠Yield Indoorup to 350 g/m2
ðŸŒģYield Outdoorup to 400 g/plant
⏱Flowering Time55-65 days

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers are responsible for complying with the law where they live.
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Primus Feminised
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🔒Sealed for authenticity
💧Waterproof coating
ðŸ›ĄïļAluminium interior lining
🏷ïļProtective sticker
ðŸ“ąQR code verification
ðŸ”ĒScratchable serial number

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