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Cannabis Seeds for New Zealand β€” From Northland Humidity to Southland Frost

New Zealand runs from 34Β°S to 47Β°S β€” a wider spread than most growers realise, and the reason a strain that finishes comfortably in Kerikeri can be caught by frost in Central Otago. Our catalogue is organised around that: feminised photoperiods for growers who want to control the flip, autoflowering genetics that finish before the autumn rain sets in, and CBD-forward cultivars. Prices in NZD, GST included.

Strain Finder
Which of the 1,677 suits your patch?
Humid Northland, breezy Wellington, frost-bound Southland β€” answer a few questions, get a shortlist.
1,677
Varieties listed, filterable by type, effect, flavour and how hard they are to grow
NZD
Every price shown in New Zealand dollars with GST already included
Southern
Hemisphere timings throughout — October start, autumn harvest, not inverted Northern advice
Sourced
Flowering times and yields come from published breeder data, never estimated to fill a gap
Discreet
Plain, unbranded packaging with tracked delivery to both islands

Where a strain has no published flowering time or yield from a breeder or reference source, we leave the field blank rather than fill it with a plausible number. That is why some strain pages show fewer figures than others.cultivation guides for region-specific germination techniques.

What Actually Changes When You Grow in New Zealand

Two things drive almost every outdoor decision here, and neither is potency. The first is the calendar: the season runs spring to autumn, so a Northern Hemisphere guide has every month exactly wrong. The second is water. New Zealand's autumn arrives damp rather than dry, which makes the last three weeks of flower the riskiest part of the grow β€” and makes finishing speed and bud structure matter more than headline yield.

πŸ”„

A Season That Runs the Other Way

Longest days fall around the summer solstice in December, not June. Outdoor photoperiods go out after the last frost in spring and finish as the light drops through March and April. Nearly every grow guide online is written for the opposite hemisphere, so the months in them are six out of step.

πŸ“

Twelve Degrees of Latitude

From Cape Reinga at roughly 34Β°S to Stewart Island near 47Β°S, New Zealand covers a wider latitude band than most growers account for. A cultivar that finishes comfortably in Northland can still be standing in flower when the first frosts reach Central Otago, which is why finishing time is the single most useful number on a strain page here.

🌧️

A Wet Autumn, Not a Dry One

This is the difference that catches people out. The risk in late flower is not heat stress, it is botrytis. Dense, tightly packed colas hold moisture through a damp March, so open bud structure and mould resistance are worth more than an extra fifty grams on paper.

❄️

Frost Sets the Deadline in the South

Inland Canterbury, Otago and Southland can see frost from April onward, and in some seasons earlier. That compresses the usable window considerably. Short-flowering photoperiods and autoflowers started early are the practical answer, rather than long-season sativas that need until May.

πŸ’¨

Wind Is a Structural Problem

Wellington, the Canterbury nor'wester and exposed coastal sites put real mechanical load on plants carrying weight in late flower. Sturdy, shorter-internode plants and early training hold up where a tall, top-heavy phenotype snaps.

⚑

Short Season Favours Autoflowers

An autoflower runs on its own clock, typically finishing ten to twelve weeks from germination regardless of daylength. In the lower South Island that can be the difference between harvesting and not, and it allows a second run in the warmer north.

Most Popular in the Catalogue

The lines that move fastest out of this catalogue. Order alone tells you what other people are buying, not what will suit your space

Chemo cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 22%
πŸ“ˆ Heavy cropper

Chemo Feminised

FocusedCalm
β–Ό
$27.89NZD
Granddaddy Purple cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 17-23%
πŸ”₯ Sells fast

Granddaddy Purple Feminised

RelaxedSleepyEuphoric
β–Ό
$22.49NZD
Steve's Dream Queen cannabis seeds packaging β€” Royal King Seeds New Zealand
Sativa
THC 20%
🎨 Heady

Steve's Dream Queen Feminised

EuphoricCreativeCalm
β–Ό
$25.19NZD
OCAs Cloud 9 cannabis seeds packaging β€” Royal King Seeds New Zealand
Sativa
THC 25%
⚑ Strong

OCAs Cloud 9 Feminised

FocusedCalm
β–Ό
$23.39NZD
M-39 cannabis seeds packaging β€” Royal King Seeds New Zealand
Hybrid
THC 16%
🎨 Heady

M-39 Feminised

CreativeHappyTalkative
β–Ό
$25.19NZD
Ripped Bubba cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 20%
⏱ Quick finisher

Ripped Bubba Auto

CreativeHappyRelaxed
β–Ό
$25.19NZD
CBD OG Kush cannabis seeds packaging β€” Royal King Seeds New Zealand
CBD
THC 10%
🧘 Settling

CBD OG Kush Feminised

FocusedCalm
β–Ό
$26.09NZD
CBD Cream & Cheese cannabis seeds packaging β€” Royal King Seeds New Zealand
CBD
THC 22%
🧘 Settling

CBD Cream & Cheese Feminised

FocusedCalm
β–Ό
$27.89NZD

The strains most often ordered from this catalogue. Read the flowering time against your own frost date before choosing. It follows what actually sells, and nothing else β€” there is no feedback loop or germination reporting behind it, and we are not going to imply one.

Choosing Cannabis Seeds for New Zealand Conditions

Most strain pages sell you on potency. Potency is the least useful number when you are deciding what to actually put in the ground in New Zealand, because the thing that decides whether you harvest is timing, and timing here is tight.

Work backwards from your first frost, not forwards from germination. In Northland that gives you a long, generous window and your real enemy is the humidity that arrives with autumn. In Southland the window may be short enough that a twelve-week photoperiod simply does not fit, and an autoflower started in early spring is the only version of the plan that finishes. Between those two extremes sit roughly twelve degrees of latitude, which is a bigger practical spread than the size of the country suggests.

That is why finishing time is the field worth reading first on any strain page here, ahead of yield and ahead of THC. Where we have a flowering figure from the breeder or a reference source, it is on the page. Where no published figure exists, the page shows nothing rather than a generic range.

Expand any topic below

Reading a Flowering Time Against Your Own Frost Date

β–Ό

A flowering time is not a harvest date. For a photoperiod it is the span after you flip, or after natural daylength drops far enough outdoors β€” so the useful sum is your realistic flip date plus the flowering window, checked against when frost typically arrives where you are. In much of the North Island that arithmetic is comfortable. Inland in the south it is often the constraint that decides the whole grow.

Autoflowers behave differently. They run on an internal clock, usually ten to twelve weeks from germination regardless of daylength, which makes them predictable to schedule and far easier to fit into a short season. That predictability, rather than any yield advantage, is why they suit the lower South Island.

Feminised, Regular and Autoflowering: What the Labels Mean

β–Ό

Feminised seed is bred so that effectively every plant comes up female, which is the sex that carries the flower. Sow unfeminised seed and about half the pots turn out male β€” plants you have to spot and remove before they pollinate the rest and turn a crop into a seed run. The feminised shelf runs to 1,254 varieties, from compact indica cultivars suited to tight grow tents through to stretchy sativa-dominant hybrids that thrive outdoors. The catch, and it is a small one: a feminised photoperiod plant still waits for you to shorten the light, from 18 hours down to 12, before it will bloom.

Autoflowers: Set-and-Forget Genetics for Faster Results

β–Ό

Autoflowering seed carries ruderalis in the background, and that is what makes the plant count weeks instead of daylight hours. Bloom usually starts three or four weeks after the seed opens, and the whole cycle is finished somewhere between eight and twelve. They stay compact β€” usually 60 to 120 centimetres β€” and they forgive the errors that end a photoperiod grow. The reason we point first-time growers at them is not a statistic; it is that they remove the decision beginners most often get wrong, which is when to switch the plant into flowering.

Matching Genetics to Where You Are in New Zealand

β–Ό

New Zealand's climate changes with latitude far more than with distance inland, and the practical spread is wider than the country's size suggests. The upper North Island β€” Northland, Auckland, Waikato, Bay of Plenty β€” gives the longest season and the most growing time, at the cost of humidity that peaks exactly when flowers are filling. The eastern strip, from Gisborne through Hawke's Bay and across to Nelson and Marlborough, is drier and sunnier, which tolerates longer-flowering cultivars. The lower South Island is the constraint: a short window, frost from April inland, and a strong case for autoflowers or fast photoperiods. Choose on finishing time first, then on everything else.

Why Some Strain Pages Show Fewer Numbers Than Others

β–Ό

This site publishes no yield figures of its own, and no customer-reported averages, because it has none to publish. What appears on a strain page is the figure the breeder or a reference source published, shown with its source. Where none exists the field is blank. Treat any per-plant number β€” here or anywhere β€” as a ceiling under that grower's conditions rather than a forecast for yours: pot size, light, feeding and training move the result far more than genetics alone.

How Our Discreet Shipping Operates

β–Ό

Orders ship in plain, unbranded outer packagingβ€” no logos, no company name on the outside, and no description of the contents. Delivery is tracked to addresses on both islands. Rural and remote deliveries take longer than main-centre addresses.

Potency, Cannabinoids, and Choosing by Desired Outcome

β–Ό

At the strong end of the catalogue sit the cultivars listed above 25% β€” Girl Scout Cookies, Bruce Banner and the White Widow line among them. Worth reading the listing rather than the reputation: Gorilla Glue has a bigger name than its listed 21% suggests. At the other end, CBD-forward seed is bred for a different cannabinoid balance β€” 10 to 20% cannabidiol with THC well below the rest of the catalogue. A balanced 1:1 hybrid sits between the two. What any of them does for a person is not something we will tell you: we describe how plants grow, and the rest is a question for someone qualified to answer it. Our calmer end of the catalogue is grouped by the effects the source descriptions name, nothing more.

Storing Seeds Between Seasons

β–Ό

Seeds keep best cool, dark, dry and sealed. An airtight container with a desiccant sachet in a fridge is more than adequate; the thing that actually degrades viability is repeated temperature swing and the condensation that comes with it, so a container opened daily in a warm room is worse than one left closed in the cold. Avoid the freezer. Label the container with the strain and the date you received it β€” a year on, that is the detail nobody remembers.

Recommended Strains for Every Experience Level

β–Ό

For a first grow, the useful filter is forgiveness rather than potency: an autoflower removes the light-cycle decision entirely, and a shorter plant is easier to manage in a tent or on a balcony. Start from the autoflowering range and sort by finishing time, and if you are in the lower South Island treat anything over twelve weeks from germination as optimistic for an outdoor run.

Seeds Chosen for Your Part of New Zealand

New Zealand is long and narrow, so climate changes with latitude far more than with distance inland. What works in a humid Northland summer is not what survives an Otago autumn. Pick for your conditions before you pick for potency.

Northland & Auckland

The warmest and longest season in the country, and the most humid. Warm, humid summers give plenty of growing time, but a damp February and March put real pressure on dense flowers. Open bud structure and a fast finish matter more here than raw yield.

Waikato & Bay of Plenty

Warm, fertile and reliably productive, with enough humidity that airflow through the canopy becomes a deciding factor in late flower. Generous season length also makes a second autoflower run practical in a good year.

Gisborne & Hawke's Bay

Among the sunniest and driest parts of the North Island, sheltered from the prevailing westerlies by the ranges. Lower mould pressure than the north or west means longer-flowering cultivars can be taken further without the same risk.

Nelson, Tasman & Marlborough

The highest sunshine hours in the country, with a dry summer and a settled autumn. If there is a forgiving outdoor climate in New Zealand, this is it, and it tolerates a wider range of genetics than anywhere else.

Wellington & Taranaki

Wind is the defining problem rather than temperature. Exposed sites put heavy mechanical load on plants carrying weight late in flower, so shorter, sturdier plants and early training hold up where tall phenotypes do not. Many growers here move indoors for control.

Canterbury, Otago & Southland

Cool, dry east-coast conditions with a genuinely short window. Frost can arrive from April and earlier inland, which rules out anything needing until May. Autoflowers started early, or short-flowering photoperiods, are the practical route this far south.

The Strong End: Listed Above 25%

These carry the highest published figures we hold, and they assume a tolerance to match. Worth noting that potency is largely fixed by genetics but expressed by conditions, so a well-run grow of a mid-range cultivar routinely beats a neglected grow of a headline one.

Chemo cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 22%
πŸ“ˆ Heavy cropper

Chemo Feminised

FocusedCalm
β–Ό
$27.89NZD
Ripped Bubba cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 20%
⏱ Quick finisher

Ripped Bubba Auto

CreativeHappyRelaxed
β–Ό
$25.19NZD
Apple Crisp cannabis seeds packaging β€” Royal King Seeds New Zealand
Hybrid
THC 22%
🎨 Heady

Apple Crisp Feminised

CreativeFocusedCalm
β–Ό
$22.49NZD
$100 OG cannabis seeds packaging β€” Royal King Seeds New Zealand
Hybrid
THC 25%
⚑ Strong

$100 OG Feminised

HappyHungryRelaxed
β–Ό
$25.19NZD
UW cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 22%
πŸŒ™ One for the evening

UW Feminised

HappyRelaxedSleepy
β–Ό
$21.59NZD
Le Silver Royale cannabis seeds packaging β€” Royal King Seeds New Zealand
Hybrid
THC 20%
🎨 Heady

Le Silver Royale Feminised

CreativeCalm
β–Ό
$28.79NZD
5th Element cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 25%
⚑ Strong

5th Element Feminised

EuphoricCreative
β–Ό
$22.49NZD
Kiwiskunk cannabis seeds packaging β€” Royal King Seeds New Zealand
Indica
THC 20%
🎨 Heady

Kiwiskunk Feminised

CreativeCalm
β–Ό
$21.59NZD

If This Is Your First

A first grow makes all of the usual mistakes β€” too much water, feeding that swings, a fortnight at the wrong temperature β€” and these autoflowering plants absorb them and finish anyway. They stay small, they set their own schedule, and they are done inside ten weeks. The germination guide takes it from the damp towel through to when to cut.

Ripped Bubba cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 20%
⏱ Quick finisher

Ripped Bubba Auto

CreativeHappyRelaxed
β–Ό
$25.19NZD
American Kush cannabis seeds packaging β€” Royal King Seeds New Zealand
IndicaAuto
THC 18%
⏱ Quick finisher

American Kush Auto

UpliftedFocusedCalm
β–Ό
$24.29NZD
Big Band cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 18%
⏱ Quick finisher

Big Band Auto

EuphoricCreativeCalm
β–Ό
$20.69NZD
AK-48 cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 18%
⏱ Quick finisher

AK-48 Auto

EnergeticCalm
β–Ό
$24.29NZD
Willy's Wonder cannabis seeds packaging β€” Royal King Seeds New Zealand
HybridAuto
THC 21%
⏱ Quick finisher

Willy's Wonder Auto

CreativeEnergeticRelaxed
β–Ό
$23.39NZD
Dream Berry cannabis seeds packaging β€” Royal King Seeds New Zealand
IndicaAuto
THC 16%
⏱ Quick finisher

Dream Berry Auto

EuphoricCreativeCalm
β–Ό
$26.09NZD
Blue Amnesia cannabis seeds packaging β€” Royal King Seeds New Zealand
SativaAuto
THC 18%
⏱ Quick finisher

Blue Amnesia Auto

RelaxedEnergeticCalm
β–Ό
$23.39NZD
Illuminati OG cannabis seeds packaging β€” Royal King Seeds New Zealand
IndicaAuto
THC 18%
⏱ Quick finisher

Illuminati OG Auto

FocusedCalm
β–Ό
$23.39NZD

Free Planning Tools for New Zealand Growers

Four tools, none of which cost anything: narrow the catalogue to a shortlist, work out what your space can carry, get a feed that suits the stage, and put cultivars side by side on the figures that matter.

Quick-Finish Genetics for Short-Season Regions

Questions we would want answered before ordering seeds for a New Zealand grow.

Common Questions From New Zealand Growers

When should I start seeds for an outdoor grow in New Zealand?
Work back from your local frost dates rather than to a fixed calendar. Most growers germinate indoors from September and move plants out once the risk of frost has passed β€” often October in the north, November or later inland in the south. The grow then runs through summer and finishes as daylength drops through March and April. Northern Hemisphere guides describe the opposite months and should be read with that shift in mind.
Why is bud rot mentioned on every page of this site?
Because it is what actually ends outdoor grows here. New Zealand autumns arrive wet rather than cold, and they arrive precisely when flowers are at their densest. Botrytis needs moisture trapped inside a tight cola, which is exactly what a heavy indica gives it. Outdoors that makes open structure, air moving through the plant and an early finish worth more than any yield figure on a listing.
Are autoflowers a better choice in the South Island?
Often, yes. An autoflower runs on its own clock, generally ten to twelve weeks from germination regardless of daylength, which makes it far easier to fit inside a short season. Inland Canterbury, Otago and Southland can see frost from April, which rules out anything still needing weeks in May. A short-flowering photoperiod started early is the other workable route.
Feminised, regular, autoflowering β€” what do the labels mean?
The first two describe sex and the third describes timing, which is why people mix them up. Feminised seed comes up female, and female is the sex that carries flower, so nothing has to be pulled out mid-grow. Regular seed comes up either way and is really only useful if you intend to breed. Autoflowering is a separate axis entirely: those plants bloom on age rather than on shortening daylight, so the schedule stops being yours to set.
Is the price on the shelf the price I pay?
Yes. New Zealand dollars, GST already inside the figure, and nothing added at checkout for paying by card β€” the cart total is the amount that leaves your account. Behind the scenes the gateway settles in US dollars at a rate we take from published spot figures and keep recorded, but that conversion is ours to absorb, not something that appears on your bill.
What turns up at the door?
A plain parcel with no logo, no company name and nothing on the label describing what is inside, tracked by NZ Post to any address on either island, rural delivery included. The sender reads as a neutral trading name.
Where should seed sit until I am ready for it?
Somewhere cool, dark and genuinely dry β€” an airtight jar with a silica sachet in it. A fridge works if the seal is real, and fails badly if it is not, because condensation on cold seed does more harm than the cold. Keep it out of the freezer, and out of anywhere that swings between warm and cold through the day.
Why is a field sometimes blank on a strain page?
Because a figure only goes on a listing if we traced it to breeder documentation or a published reference, and we keep the record of where each one came from. Anything we could not trace stays empty. In practice that is now rare β€” every strain in the catalogue carries a flowering window and a yield, and a single one is missing its height β€” but a blank is always an admission rather than an oversight.
Does indica or sativa matter much here?
Less than the two numbers beside them. Indica-leaning plants are shorter, wider and quicker, which suits a short southern season, an exposed site, or a tent with a low ceiling. Sativa-leaning plants go taller and finish later β€” fine north of Taupō, a gamble where frost comes early. Most of what we list is hybrid anyway, so read the flowering window and the height and let the label go.
How can I pay?
Visa or Mastercard through the gateway, or cryptocurrency if you would rather. The full card number never touches this site β€” it goes straight to the processor.

Royal King Seeds in New Zealand

This is a seed catalogue assembled for New Zealand conditions, and it is new. Rather than claim a history it does not have, it is more useful to set out what the site does and how it treats the information on it.

Four figures sit on every listing where we could trace them β€” flowering window, indoor and outdoor yield, and height β€” each taken from breeder documentation or a published reference rather than estimated. Coverage is close to complete: all 1,677 carry a flowering time and a yield, and exactly one is missing a height. Where something genuinely is not published, the field stays blank rather than being filled with a range that would look plausible and mean nothing.

Filtering follows the order growers actually decide in: whether you want to control the flip or let the plant run on its own clock, how fast it finishes, how much headroom you can give it, then flavour and effect. Prefer to be asked rather than to browse? The strain finder narrows all 1,677 varieties down to a short list.

Everything is priced in New Zealand dollars with GST in the figure and nothing added for paying by card. Parcels leave in plain, unbranded packaging and travel tracked to addresses on either island, rural delivery included.

What Sets Royal King Seeds Apart

Six things this store does, each of them checkable against the site itself rather than asserted about it.

That Is the Whole Catalogue

All 1,677 of them, sortable by how long they take, how tall they get, what they do and how they taste. Feminised, autoflowering, and the strong end β€” every one of them posted unbranded and tracked to both islands, with whatever grow figures we could trace on the listing and nothing invented where we could not.

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