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Regular seeds guide

How to choose regular seeds

Decide first whether you're growing or breeding. If you just want flower and are happy to sex plants, choose regular seeds the way you'd choose feminised — by region fit, flowering time and structure — and plan to start twice as many seeds as the plants you want to finish. If you're breeding, look for strains described as stable or true-breeding and note the lineage: crossing two very different parents gives variable offspring, which is what you want for selection but not for consistency. Landrace and heirloom genetics in this range are the ones to watch for growers building a New Zealand-adapted line, because they carry the vigour and adaptability that modern hybrids have often bred out — and adapting to wind and a short season is exactly the kind of selection that pays off here.

Growing regular seeds in New Zealand

Regular plants grow exactly like feminised ones until sexing, which happens naturally at four to six weeks from seed. Check the nodes daily from week four: females show pairs of fine white hairs, males show small round balls like tiny bunches of grapes. Remove males the day you spot them unless you're breeding — one open male flower in a nor'wester can pollinate every female in the valley.

Purpose Seeds to start Keep Timing note
Flower only, 3 female plants 6–8 Females only Sex by week 6; remove males immediately
Breeding one cross 10–12 Best 1 male, best 2–3 females Isolate the male indoors; NZ wind carries pollen a long way
Selecting a local line 20+ Best performers each season Keep records; select for wind tolerance and early finish over 3+ seasons

If you're breeding outdoors, isolate the male by distance or bring it indoors and collect pollen in a paper bag. Pollinate a single branch per female with a soft brush, tag it, and leave the rest seedless. Seeds mature four to six weeks after pollination; harvest when the seed coats are dark and patterned.

See breeding basics make your own seeds nz for pollen collection, isolation and seed storage. If you'd rather not sex plants, the Feminised seeds range gives all-female results. regular seeds why breeders love them nz explains why these seeds still matter.

Cannabis seed collection

Frequently asked questions

What percentage of regular seeds will be female?

About half, with variation from pack to pack. Start roughly twice as many seeds as the number of female plants you want to finish with.

How do I tell male from female cannabis plants?

Around week four to six from seed, check the nodes where branches meet the main stem. Females show fine white hairs; males show small round pollen sacs. Remove males as soon as you see them unless you're breeding.

Why choose regular seeds over feminised?

For breeding, for extra vigour and genetic stability, or to grow traditional genetics that aren't offered in feminised form. They're also cheaper per seed.

How far away does a male plant need to be?

Cannabis pollen travels hundreds of metres on a dry wind — and New Zealand has plenty of that. Outdoors, the only safe isolation is a different property or a sealed indoor space. For controlled breeding, collect pollen indoors and apply it by hand.

Can I make feminised seeds from regular plants?

Yes, with a technique that induces a female to produce pollen, typically using colloidal silver. It's an intermediate project — the breeding guide on our blog covers it — but most home breeders start with simple regular crosses first.

How long do home-made seeds stay viable?

Dried properly and stored cool, dark and dry — a sealed jar in the fridge with a silica sachet — home-made seeds keep for three to five years with good germination. Humidity is the enemy in New Zealand; the silica sachet isn't optional. ---