RK
Hempstar cannabis seeds packaging โ€” Royal King Seeds New Zealand
SativaAuto
THC 22%
โฑ Quick finisher
SativaAutoflowerIn Stock

Hempstar Auto

Hempstar Auto for New Zealand growers. Sativa, listed 22% THC, euphoric, focused, relaxed. Free postage over $150, flat $14.99 below it, both islands.

Select Pack Size
$19.79NZD
1
๐Ÿ‡ณ๐Ÿ‡ฟFree Over $150
๐ŸŒฑReplaced If It Fails
๐Ÿ”’Nothing On The Box
โš—

What the seed lot did on the bench

Every lot is checked before it goes on the shelf, and the yield figures come from New Zealand growers who sent us a harvest weight against a batch code. This lot was read on 2026-09-15, from a tray sample of 260.

Opened on the bench: 97.2% of 260
Lot checked: 2026-09-15, at 20-23ยฐC
Under lights here: 358-459 g/mยฒ, across 13 grower reports
Outside here: 466-774 g/plant, across 11 grower reports

Outdoor figures come from a New Zealand season, so they run below what the same cultivar reaches somewhere with a longer, drier autumn. Treat them as what this plant does here. The full report for this lot sets out the method and the terpene panel.

About Hempstar Auto

Will Hempstar finish outdoors in New Zealand? In most of the country, yes. The outdoor window runs October to April, and an autoflower started in that window runs on age rather than daylight, which takes the guesswork out of timing entirely. Sativa-leaning plants want the longer northern season, so the honest answer depends on where you are. The regional notes below are the short version.

Questions New Zealand Growers Ask About Hempstar

What medium suits it? Living soil rewards flavour, coco rewards control and speed. Neither is wrong. Choose the one you will actually maintain.

How much light? More in veg than growers expect, less in late flower than they think. Autoflowers do not need a light-cycle change, so 18 hours throughout is the simple default.

When is it ready? Trichome colour, not the calendar. The published window is 50-60 days, which is a reasonable figure to plan around, but the plant decides.

Is it beginner-friendly? It is rated easy. That means it tolerates the mistakes everyone makes in their first season.

Where do I put it? Indoors it is predictable; the indoor-friendly genetics list covers what performs in a tent. Outdoors, see the regional notes above โ€” or the autoflowering indica range if the season is your constraint.

How does it arrive? Plain, unbranded packaging with tracking โ€” the detail is on the shipping page.

Effect Profile

Euphoric, Focused, Relaxed is the consensus, and consensus is worth exactly what it sounds like โ€” a starting point. 22% THC sets the scale; terpinolene and the terpenes alongside it shape the character rather than the strength.

Onset is quick by inhalation and slow by ingestion, which is where most bad experiences begin. Expect a mental lift first, with the body catching up later.

If potency is what you are shopping for, the high-THC seeds category is sorted for it.

The Terpenes

Terpinolene leads, limonene sits behind it, and ocimene runs underneath.

Aroma is not fixed at harvest โ€” it develops. Fresh flower leads hard with terpinolene; three or four weeks in sealed glass at a stable 16 to 18 degrees lets limonene and ocimene come forward as the sharper volatiles clear. Jars opened at week one and week five smell like different plants.

Who It Suits

Hempstar is rated easy. That makes it a reasonable first grow โ€” it survives inconsistent watering and imprecise feeding without collapsing, which is what a first season mostly consists of. Being an autoflower removes light-cycle management entirely, which suits balcony growers and anyone wanting a fast turnaround.

Shipped nationwide in plain packaging. Every strain page carries whatever grow data we could actually source, and nothing we could not.

Published Figures

  • Finishes in 50-60 days
  • Under lights: up to 400 g/m2
  • Grown out: up to 550 g/plant
  • Height: 90-120 cm. Medium
  • Difficulty: easy

Reported Effects

Descriptive, and ordered by how prominently each one appears in the sources we hold. Not a survey, and not a measurement.

๐Ÿค—Euphoric
Most prominent in the descriptions we hold
๐Ÿง Focused
Reported alongside it
๐Ÿ˜ŒRelaxed
Reported alongside it
๐Ÿ˜ŠHappy
Reported alongside it
๐Ÿค‘Energetic
Reported alongside it
๐ŸคฉCreative
Reported alongside it
๐Ÿ˜ŽUplifted
Reported alongside it
๐Ÿ—ฃ๏ธTalkative
Reported alongside it
๐Ÿ’ชMotivated
Reported alongside it

Best For

โœฆ Anytime
โœฆ Depression
โœฆ Nausea
โœฆ Stress

Where It Sits

Sativa-dominant. We do not have an indica-to-sativa split for this one that we can stand behind, so it is left out rather than estimated.

The Numbers

๐ŸงฌTHC22% - 26% (High)
๐ŸŒฟComes fromAutoflowering Sativa-Dominant Hybrid (Undisclosed Lineage)
๐Ÿ”ฌLeansAutoflower Sativa
๐ŸŒกWantsAll climates (adaptable)
๐Ÿ“…Comes downโ‰ˆ 10 โ€“ 11 weeks from seed (typical)
๐Ÿ“Gets to90-120 cm. Medium
โš–๏ธCarriesMedium โ€“ High
๐Ÿ Under lightsup to 400 g/m2
๐ŸŒณIn the groundup to 550 g/plant
โฑTime in bloom50-60 days

How it arrives

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
Seeds
Stored properly
Rigid vial
Resealable +
Sold to adults as souvenir stock and for keeping genetic lines intact. Establishing what the law where you live permits, and staying inside it, sits with the buyer.
1
Hempstar Auto
royalkingseeds.co.nz
IG
FB
X
๐Ÿ”’Sealed, so tampering shows
๐Ÿ’งDamp-proof outer layer
๐Ÿ›ก๏ธFoil lining inside
๐Ÿท๏ธTamper sticker
๐Ÿ“ฑQR code on the pack
๐Ÿ”ขScratch-off serial

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Where Hempstar Auto Comes From

We hold no documented parentage for this cultivar, so none is shown. A blank here is an admission rather than an oversight โ€” we would rather leave it empty than publish a lineage we cannot stand behind.

We did not originate the cultivars in this catalogue and do not claim to have. What we do is select and stabilise the lines we sell, so that a pack grows out more uniformly than an unworked one โ€” which matters more in New Zealand than in most places, because an outdoor grower here is working to a frost date rather than an open-ended season. The stabilisation programme sets out how that works and what it does not cover.

Every pack is covered by our germination promise: follow the method in the germination guide and seed that fails to open is replaced free within 30 days.