Humboldt Dream cannabis seeds packaging — Royal King Seeds UK
Indica
THC 19%
🎨 Creative
IndicaFeminisedIn Stock

Humboldt Dream Feminised

Feminised PhotoperiodSee Lab Report →

Humboldt Dream Feminised cannabis seeds for UK growers. Indica · 19% THC · euphoric, creative, calm. Discreet UK delivery, priced in GBP.

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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified UK grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-12 on 500 seeds.

Germination rate: 98.3% (n=500)
Last QC test date: 2026-09-12
Indoor yield: 478-590 g/m² (avg across 6 verified grower reports)
Outdoor yield: 462-644 g/plant (avg across 9 verified grower reports)

About Humboldt Dream Feminised

Read Humboldt Dream backwards from the harvest: 400-500gr/m2 under lights, over 4500 g per plant outdoors, with resin filling out towards 19% THC. Most of the final weight lands between weeks five and eight, when the 79/21 genetics stack calyxes quickly and the trichome cover goes from scattered to solid. Outdoors you want that stage falling in late August and early September while the light is still long, so count back to it from the first frost your own area usually sees rather than from a date on a packet.

Getting the weight out of this plant

Three stretches of the 60 days (harvest Oct 1st-10th) of bloom decide whether you reach the top of this strain's range (400-500gr/m2 indoors, over 4500 g per plant outdoors). The rest is maintenance.

The first ten days of flower. What the plant does during the stretch sets canopy height, and canopy height sets how evenly the light lands. Expect 20-30%, which is manageable; stripping the lowest fans around day seven sends the energy up to the sites that will actually finish.

Weeks three to five. Caryophyllene production climbs through here, and it responds to a day-night temperature gap of 6-8°C. British autumn nights hand that to outdoor growers for free from September; indoors you have to build it, at roughly 25-26°C lights-on and 18-20°C lights-off. Bloom feed goes potassium-heavy around EC 1.6-1.8.

The last ten to fourteen days. Stop feeding and run pH-corrected water. Check trichomes daily under a 60x loupe — cut at 15-20% amber for the weight of effect this genetics is bought for. Outdoors that lands between late September and mid-October across most of Britain, and the weather forecast should get a vote.

Flowering: 60 days (harvest Oct 1st-10th). Indoor yield: 400-500gr/m2. Outdoor yield: over 4500 g per plant. Rated intermediate difficulty.

Flavour, aroma and effect

Humboldt Dream arrives in stages. The first draw at 19% THC brings dry pepper that registers at the back of the throat. The euphoric, creative, calm character follows within minutes, starting as weight behind the eyes and working down through the shoulders and chest. By about a quarter of an hour it has become a physical stillness — not sedation so much as a strong disinclination to get up. Two to three hours at a moderate dose. The myrcene underneath adds body and depth beneath the rest.

Terpene breakdown

Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Bisabolol. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the myrcene and bisabolol audible over the caryophyllene base. Run it hotter, or burn it, and the three collapse into one note — pleasant enough, but none of the complexity that made it worth choosing.

Who it suits

Who does well with Humboldt Dream? Indoor growers who want the timeline under their own control. Outdoor growers who want to choose when flowering starts. Anyone with the room and the patience to veg it properly before flipping. Difficulty is rated intermediate, which means a moderate learning curve that rewards attention without demanding a laboratory.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤩Creative
70% of people reported feeling Creative
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
😴Sleepy
52% of people reported feeling Sleepy
😊Happy
38% of people reported feeling Happy
🤤Hungry
34% of people reported feeling Hungry
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Strain Type

Indica 79%Sativa 21%

Strain Data Sheet

🧬THC19% - 23% (Medium-High)
🌿LineageIndica-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminised Indica
🌡ClimateCool–temperate / continental
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height90 – 120 cm (typical)
⚖️YieldTypical for type
🏠Yield Indoor400-500gr/m2
🌳Yield Outdoorover 4500 g per plant
⏱Flowering Time60 days (harvest Oct 1st-10th)

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 must comply with all applicable United Kingdom legislation.
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Humboldt Dream Feminised
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🛡️Aluminium interior lining
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Humboldt Dream 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
BX2
Generations
3+
Breeding Programme
Royal King Genetics Backcross Line — BX2 modern hybrid stabilisation
Stabilisation Notes — What This Means for Your Grow

Humboldt Dream carries clone-derived parents from the modern hybrid. We backcrossed twice to the dominant parent (BX2) to weld cut-specific traits into seed-stable form. Vigour and indica relaxation profile run uniform across the population.

Breeding Goal

Carry a clone-derived modern hybrid hybrid through to a stable seed pack.

Selection Focus

Chosen for indica vigour, compact bud formation and a reliable finish window.

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
1 September 2026· 99%+ germination