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When to plant spring onions in New Zealand

Outdoors, spring onions go in from around 2 July in Napier to 26 June in Whanganui.

Type
Hardy
Copes with cold
First harvest
About 70 days
from sowing in the UK
Spacing
2 cm
between plants
In pots
Yes
in a big enough pot

Town by town

24 towns from north to south. Dates move later the further you go from the equator and the higher up. Tap a town for its full calendar.

Sow outdoorsSow under cover (a greenhouse or polytunnel)Months run July to June, so summer reads in one piece.
When to sow spring onions outdoors and under cover in 24 towns across New Zealand, from north to south.
TownTown, north to southJJulAAugSSepOOctNNovDDecJJanFFebMMarAAprMMayJJun
WhangareiAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
AucklandAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
PapatoetoeAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
Manukau CityAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
PapakuraAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
TaurangaAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
HamiltonAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
RotoruaFrom 21 JulOutdoors 21 Jul to 16 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Sow under cover
GisborneAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
New PlymouthAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
NapierFrom 2 JulOutdoors 2 Jul to 26 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Sow under cover
HastingsFrom 6 JulOutdoors 6 Jul to 23 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Sow under cover
WhanganuiFrom 26 JunOutdoors 26 Jun to 9 MayJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow under cover
Palmerston NorthFrom 9 JulOutdoors 9 Jul to 29 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow under coverJune: Sow under cover
PoriruaAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
Upper HuttAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
Lower HuttAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
NelsonFrom 14 JulOutdoors 14 Jul to 1 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Sow under cover
WellingtonAll yearOutdoors all yearJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Sow outdoors and under coverJune: Sow outdoors and under cover
RichmondFrom 14 JulOutdoors 14 Jul to 2 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Sow under cover
BlenheimFrom 16 JulOutdoors 16 Jul to 7 AprJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow outdoors and under coverMay: Not this monthJune: Sow under cover
ChristchurchFrom 20 JulOutdoors 20 Jul to 19 MarJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Sow under cover
DunedinFrom 4 AugOutdoors 4 Aug to 10 MarJuly: Sow under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow outdoors and under coverApril: Sow under coverMay: Not this monthJune: Not this month
InvercargillFrom 25 JulOutdoors 25 Jul to 6 MarJuly: Sow outdoors and under coverAugust: Sow outdoors and under coverSeptember: Sow outdoors and under coverOctober: Sow outdoors and under coverNovember: Sow outdoors and under coverDecember: Sow outdoors and under coverJanuary: Sow outdoors and under coverFebruary: Sow outdoors and under coverMarch: Sow under coverApril: Not this monthMay: Not this monthJune: Not this month

Don’t see your town? Find it by name or postcode.

Spring onions in other countries

When to plant other crops in New Zealand

Fruiting

Roots

Leaves

Beans and peas

Onion family

Brassicas

Herbs

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How these dates are worked out: climate records for each town (ERA5-Land, 1995 to 2024), its frost dates and its height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work