White Rhino cannabis seeds packaging — Royal King Seeds Ireland
Indica
THC 20%
📈 High Yield
IndicaFeminisedIn Stock

White Rhino Feminised

Order White Rhino Feminised seeds online in Ireland. A quality indica cultivar at 20% THC delivering euphoric, happy, relaxed. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified Irish grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-23 on 300 seeds at 20-23°C.

Germination rate: 98.1% (n=300)
Last QC test date: 2026-09-23
Indoor yield: 484-660 g/m² (avg across 16 verified grower reports)
Outdoor yield, Ireland: 514-734 g/plant (avg across 7 verified grower reports)

About White Rhino Feminised

Does White Rhino finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. A compact 100/50 plant is easier to shelter and easier to hide, though the density that makes it worth growing is also what holds water after rain. Bloom takes 9 weeks, so the harvest date is set by the calendar far more than by your technique.

What should I expect to take off it? up to 900 g/m2 indoors and up to 1200 g/plant outdoors are the published figures, and both assume a full light or a full season plus a root run to match. A tunnel gets you most of the way to the outdoor number; a windowsill will not. At 20% THC the effort is well spent either way.

Is it a sensible first grow? Reasonably. Anyone who has finished one grow will manage this one; it asks for consistency rather than expertise.

Other questions that come up about White Rhino

Soil or coco? Coco with fertigation at EC 1.4-1.8 through bloom if you are there daily and want speed. Peat-free soil with slow amendments — fish, blood and bone, seaweed meal, rock phosphate — if you are not, and want flavour. Both suit this indica; the deciding factor is your week, not the plant.

How does it handle the weather here? The dense canopy shades itself, which is useful on the handful of genuinely warm days and a liability in a wet week. Mulch the root zone, water early, and keep air moving underneath.

When does bloom feed start? Within a week of the first pistils. The 100/50 balance shifts demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers top-dress; coco and hydro switch formula immediately.

Tunnel, outdoors or indoors? A tunnel is the best value of the three here. Indoors you own the 9 weeks of bloom completely; outdoors the plant gets light no lamp matches and can reach up to 1200 g/plant, and pays for it in rain. Flowering: 9 weeks. Indoor yield: up to 900 g/m2. Outdoor yield: up to 1200 g/plant. Plant height: Medium. Rated easy difficulty.

What White Rhino is like in practice

The catalogue lists euphoric, happy, relaxed, and that matches what growers here report back. At 20% THC this indica sits where the dose is the whole question. One bowl through a vaporiser at 185°C leaves the head working and the body easy, which is what most people are after on a weeknight. More than that moves it firmly towards sedation. The Linalool and Myrcene together leave a finish that keeps shifting across a session.

Suited to evenings in, recovery after work, and the hour before sleep.

Terpene breakdown

Primary: Linalool · Secondary: Myrcene · Tertiary: Caryophyllene. This is a combination that turns up repeatedly in cultivars people rate, and it is usually what gets commented on when a jar is opened for the first time after a proper cure. Linalool anchors it, myrcene holds the middle, and caryophyllene sits behind both — the last of those being what separates this from other strains leading on the same terpene.

Who it suits

White Rhino suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control — veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of 9 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
🤤Hungry
48% of people reported feeling Hungry
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

✦ Evening
✦ Insomnia
✦ Pain
✦ Stress

Strain Type

No verified indica/sativa split published for this cultivar.

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageWhite Widow × North American Indica
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestSept – Nov, S. hemisphere (typical)
📏HeightMedium
⚖️YieldHigh
🏠Yield Indoorup to 900 g/m2
🌳Yield Outdoorup to 1200 g/plant
⏱Flowering Time9 weeks

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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White Rhino Feminised
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🛡️Aluminium interior lining
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🔢Scratchable serial number

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White Rhino Feminised — Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read the full breeding process and about page.

Stabilisation Level
F5 IBL
Generations
5+
Breeding Programme
Royal King Genetics IBL — heritage cultivar restabilisation
Stabilisation Notes — What This Means for Your Grow

Five generations of inbred selection on the original 1990s landrace-derived White Rhino cuts. We were not chasing a redesign — we locked the compact internode spacing that earned this cultivar its reputation. Whatever the next pack throws is what the last pack threw.

Breeding Goal

Strip out pheno drift while preserving the heritage compact internode spacing.

Selection Focus

Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
22 September 2026· 99%+ germination