Hempstar Auto
SativaAuto
THC 22%%
😊 Beginner Pick
SativaAutoflowerIn Stock

Hempstar Auto

Order Hempstar Auto seeds online. A quality sativa cultivar at 22%% THC delivering euphoric, focused, relaxed. Suited to all Australian climate zones. Fast shipping and guaranteed germination.

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$10.99AUD
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About Hempstar Auto

Can I grow Hempstar outdoors in Australia? Absolutely. This 10/80 sativa is well-suited to the Australian outdoor season running October through April. Expect taller plants that appreciate the long summer daylight hours — give it room to stretch and you will be rewarded with impressive cola development. Flowering takes 8-10 weeks, placing your harvest window squarely in March or April for most Australian latitudes.

What kind of yield should I realistically expect? Indoor growers pulling 300-400g/m² is achievable with decent LED lighting and attentive feeding. Outdoors, 500-700g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 22%% THC and a terpinolene-forward terpene profile, the quality-to-effort ratio makes Hempstar 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 Australian Growers Ask About Hempstar

What growing medium works best for this strain? For maximum flavour complexity, organic soil blended with 30% perlite and enriched with slow-release amendments (blood and bone, rock phosphate, kelp meal — all readily available at Bunnings 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 sativa genetics.

How does it handle Australian summer heat? Better than most. The open canopy structure allows heat to dissipate naturally. In extreme heat (38°C+), midday wilting may occur but recovery is swift once temperatures drop. Shade cloth at 30% reduces UV intensity without significantly impacting growth.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 10/80 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 8-10 weeks flowering environment. Outdoor in the Australian growing season (October-April) lets the plant reach its full 500-700g/plant potential with natural sunlight intensity that even expensive LEDs struggle to match. Height: Tall (120-150cm). Difficulty: intermediate.

What to Expect When Using Hempstar

Australian users report euphoric, focused, relaxed as the defining characteristics, and our experience aligns with that consensus. At 22%% THC, this sativa sits in a potency bracket where most users find a productive sweet spot. Vaporised at 175-185°C, the initial effect is a noticeable uplift in mood and mental energy that pairs well with creative projects, bushwalks, or social barbecues. The body remains light and mobile throughout, making this a genuine daytime option for those with THC tolerance. The Terpinolene/Limonene terpene combination imparts a flavour that lingers on the palate — complex and shifting, revealing new notes across the session.

Ideal settings: creative pursuits, social gatherings, outdoor adventures, and daytime leisure.

Terpene Breakdown

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

Suitability and Recommendations

Hempstar 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. Autoflowering genetics eliminate the need for light cycle manipulation, making this ideal for Australian balcony growers, guerrilla setups, and anyone wanting a fast turnaround from seed to harvest. The Australian growing season (October through April) accommodates the 8-10 weeks bloom period comfortably for outdoor cultivators in all states. Shipped discreetly throughout Australia with our germination guarantee.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🧠Focused
69% of people reported feeling Focused
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤑Energetic
44% of people reported feeling Energetic
🤩Creative
43% of people reported feeling Creative
😎Uplifted
31% of people reported feeling Uplifted
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Best For

Anytime
Depression
Nausea
Stress

Strain Type

Indica 10%Sativa 80%

Strain Data Sheet

🧬THC22% - 26% (High)
🌿LineageJack Herer × Super Lemon Haze
🔬TypeAutoflower Sativa
🌡ClimateAll Climates (Adaptable)
📅Harvest9 - 11 weeks from seed
📏Height88 - 156 cm
⚖️YieldMedium - High
🏠Yield Indoor308 - 466 g/m²
🌳Yield Outdoor138 - 296 g/plant
Flowering Time9 - 11 weeks (seed to harvest)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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 Australian Commonwealth, state, and territory legislation.
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Hempstar Auto
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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