Diamond Valley Kush cannabis seeds packaging — Royal King Seeds Ireland
Hybrid
THC 27%
⚡ High Potency
HybridFeminisedIn Stock

Diamond Valley Kush Feminised

Order Diamond Valley Kush Feminised seeds online in Ireland. A quality hybrid cultivar at 27% THC delivering euphoric, calm. 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 2026-09-21 on 275 seeds at 20-23°C.

Germination rate: 97.2% (n=275)
Last QC test date: 2026-09-21
Indoor yield: 454-606 g/m² (avg across 10 verified grower reports)
Outdoor yield, Ireland: 412-574 g/plant (avg across 5 verified grower reports)

About Diamond Valley Kush Feminised

Everything about Diamond Valley Kush at harvest follows from one decision, which is when you stop. The figures are up to 350 g/m2 indoors and up to 350 g/plant outdoors, with resin filling towards 27% THC. The 46/54 balance gives steady gain with a lift in the closing fortnight. Outdoors, aim to be finished by mid-October rather than hoping for a dry third week of it.

Where the weight is won

Three parts of the 55-65 days of bloom account for most of the difference between a good result and an average one on a plant rated up to 350 g/m2 indoors and up to 350 g/plant outdoors.

The stretch, days 1-10 after the flip. Canopy height set here decides how evenly light lands for the rest of the run. Around a third is usual. A single pass of training across the tallest shoots keeps the top flat.

Weeks three to five. Caryophyllene production climbs through this stretch and responds to a 6-8°C gap between lights-on and lights-off. Outdoors an Irish September provides that without help; indoors it has to be built, at roughly 25°C by day and 18-20°C at night. Bloom feed goes potassium-forward around EC 1.6-1.8.

The final fortnight. Feeding stops, plain pH-corrected water goes on, and the loupe comes out daily. Ten to fifteen per cent amber sits in the middle of its range. Outdoors, that falls between late September and mid-October, and the forecast gets a say.

Flowering: 55-65 days. Indoor yield: up to 350 g/m2. Outdoor yield: up to 350 g/plant. Plant height: 90-120 cm. Medium. Rated easy difficulty.

What Diamond Valley Kush is like in practice

The catalogue lists euphoric, calm, and that matches what growers here report back. At 27% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 46/54 split means the direction is set by the amount rather than fixed by the plant. The Caryophyllene and Myrcene together leave warmth and spice, drying on the exhale.

Suited to most occasions, with the dose doing the steering.

Terpene breakdown

Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Humulene. The three shift relative to each other across the cure. Straight off the dry the caryophyllene dominates; three or four weeks sealed in glass at 16-18°C and the humulene underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter humulene molecules first.

Who it suits

Diamond Valley Kush 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 55-65 days 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
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤩Creative
50% of people reported feeling Creative
😎Uplifted
38% of people reported feeling Uplifted
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Best For

✦ Anytime
✦ Relaxation
✦ Stress Relief

Strain Type

Indica 46%Sativa 54%

Strain Data Sheet

🧬THC27% - 32% (Very High)
🌿LineageBalanced Hybrid (Undisclosed Lineage)
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height90-120 cm. Medium
⚖️YieldMedium
🏠Yield Indoorup to 350 g/m2
🌳Yield Outdoorup to 350 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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Diamond Valley Kush Feminised
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Diamond Valley Kush 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
BX3
Generations
4+
Breeding Programme
Three-Generation Backcross Programme — recurrent-parent fixing
Stabilisation Notes — What This Means for Your Grow

Diamond Valley Kush began life as a clone-only cut. Translating a clone into seed without losing the finish-time consistency demands backcrossing — we crossed our chosen pheno back to the parental line three times (BX3) to fix the elite mother into stable seed form.

Breeding Goal

Pin the finish-time consistency of the elite cut into the population.

Selection Focus

Chosen for vigour, terpene saturation and a tight finish window that allows production planning.

Pollen / Mother Source

Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.

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