American Haze cannabis seeds packaging — Royal King Seeds Ireland
Sativa
THC 24%
🎨 Creative
SativaFeminisedIn Stock

American Haze Feminised

American Haze Feminised cannabis seeds for Irish growers. Sativa strain · 24% THC · creative, energetic. Discreet packaging, nationwide delivery, sourced grow figures.

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€10.04EUR
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🌱Germination Promise
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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 2026-09-20 on 150 seeds at 21-24°C.

Germination rate: 97.5% (n=150)
Last QC test date: 2026-09-20
Indoor yield: 365-528 g/m² (avg across 17 verified grower reports)
Outdoor yield, Ireland: 475-628 g/plant (avg across 4 verified grower reports)

About American Haze Feminised

Growing American Haze in Ireland is a question of rain and wind rather than of heat or latitude. The whole island runs temperate oceanic, so nowhere is meaningfully warmer than anywhere else — what changes as you move west is how many wet days land on the plant while it is in flower. Outdoors that makes bud structure and the 65-70 days of bloom the two things worth reading before anything else, because a dense cola and a wet October are a poor combination. Under a tunnel or under lights the argument disappears: American Haze is then judged on its genetics and on nothing else.

Growing it on this island

The pressures here are consistent and they are nearly all about water. Botrytis in dense flower from September onwards is the first, and it is answered with open structure, moving air and a roof — not with anything sprayed on afterwards. Indoors, spider mite and thrips arrive the way they always do, and humidity above 60% in late bloom is what turns a manageable problem into a lost room. Outdoors in a wet spring the slugs do more damage to seedlings than every insect on the plot, and they do it in a single night.

A polytunnel changes the arithmetic on American Haze more than any other single purchase. It adds a fortnight at both ends of the season, keeps the rain off the flower during the weeks that matter, and turns a marginal outdoor crop into a reliable one.

Flavour, aroma and effect

American Haze arrives in order. The first draw at 24% THC gives resin and green wood, clean rather than sweet. The creative, energetic character follows in minutes, as attention sharpening. Colour and sound both read busier, and conversation goes further afield than it otherwise would. It holds two to three hours without a spike. Limonene underneath contributes a lift that stops it going heavy.

Terpene breakdown

Primary: Pinene · Secondary: Limonene · Tertiary: Caryophyllene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps limonene and caryophyllene audible over the pinene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.

Who it suits

Who does well with American Haze? Indoor growers who want to choose their own timeline. Tunnel growers who want to decide when flowering starts rather than letting August decide it. Anyone with the space to veg it properly first. Rated master, which means a moderate learning curve that rewards attention without needing specialist kit.

Effects

🤩Creative
77% of people reported feeling Creative
🤑Energetic
64% of people reported feeling Energetic
😊Happy
58% of people reported feeling Happy
😎Uplifted
51% of people reported feeling Uplifted
🤗Euphoric
47% of people reported feeling Euphoric
🧠Focused
42% of people reported feeling Focused
🗣️Talkative
30% of people reported feeling Talkative
💪Motivated
31% of people reported feeling Motivated
😆Giggly
24% of people reported feeling Giggly

Best For

✦ Daytime
✦ Creative Projects
✦ Social Activities

Strain Type

Indica 16%Sativa 84%

Strain Data Sheet

🧬THC24% - 29% (High)
🌿LineageSativa-Dominant Hybrid (Undisclosed Lineage)
🔬TypeFeminised Sativa
🌡ClimateWarm / Mediterranean, long season
📅HarvestSept – Nov, S. hemisphere (typical)
📏HeightTall
⚖️YieldMedium – High
🏠Yield Indoor400 g/m2
🌳Yield Outdoor500 g/plant
⏱Flowering Time65-70 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.
1
American Haze Feminised
royalkingseeds.ie
IG
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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American Haze 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
IBL Heritage Programme — five-generation inbred fixing
Stabilisation Notes — What This Means for Your Grow

One of the longest-running stabilisation projects in our catalogue. American Haze traces its origins to modern hybrid stock, and the Royal King Genetics team has layered five generations of inbred selection on top. Pheno drift has been pulled out of the line; pack-after-pack, what you grow runs true.

Breeding Goal

Restabilise a modern hybrid cultivar to contemporary uniformity standards.

Selection Focus

Chosen for terpene saturation, sativa vigour and a workable finish time despite long-flowering genetics.

Pollen / Mother Source

Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.

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