When to plant Peas in Temperate Australia

Temperate zone — applies to Sydney, Melbourne, Adelaide, Perth, Newcastle and similar areas. Growing elsewhere? Cool · Subtropical · Tropical · Arid.

Peas go in direct during two temperate-Australian windows: April to June for a winter-grown crop, and August to October for spring. Sow deep — 30 to 50 mm — and shoots appear in 7 to 14 days, though the wait for pods is longer than most people expect at 84 to 126 days. This is a genuinely cold-hardy legume that resents heat far more than frost, which is why there is no summer sowing. Give plants 15–20 cm each in rows 50 cm apart, offer even dwarf varieties something to scramble up, and pick daily once the pods start to swell.

Sowing calendar — temperate zone

Green months are your sowing window: April to June and August to October.

Growing notes

Hardy pea vines sail through temperate winters, so the April-to-June sowing is the backbone crop: it establishes in autumn warmth, idles through the cold and delivers pods in late winter and spring. One caveat on frost — while the plants themselves are tough, flowers and very young pods can be nipped by a hard frost, so June sowings that flower in mid-winter sometimes lose their first flush. The August-to-October window flowers in milder weather but races the heat; by the time November warmth arrives, spring-sown peas are usually on the way out.

Soil should be well-drained and only moderately fertile — peas fix their own nitrogen, and a manured bed just produces vine. A sprinkle of lime helps on acid soils. Sow 30–50 mm deep into damp soil, then leave the watering can alone until emergence: overwatered pea seed rots, and this is the single most common reason a row never appears.

Water becomes important from flowering, when even moisture fills the pods. Powdery mildew is the other predictable problem — white, dusty patches spreading across leaves in warm, humid spells. Choose resistant varieties for the spring window, keep rows 50 cm apart for airflow, and water the soil rather than the foliage.

Pick from the bottom of the plant upward, and pick often; pods left to harden shut down production for the whole vine.

Peas at a glance

Companion planting

Grows well with

Carrot: Peas fix nitrogen that benefits carrots; good space use

Lettuce: Peas fix nitrogen for lettuce; provide light shade in summer

Mint: Deters aphids and pea moth

Keep away from

Garlic: Alliums inhibit nitrogen-fixing bacteria in legume roots

Onion: Alliums inhibit legume growth

Onion: Alliums inhibit legume growth

Common questions

When should I plant peas in temperate Australia?

There are two direct-sowing windows: April to June for plants that crop in late winter and spring, and August to October for a spring crop that finishes before summer heat.

How long do peas take to grow?

Longer than most people expect — 84 to 126 days from sowing to picking, even though the seed itself germinates in just 7 to 14 days.

Why didn't my pea seeds germinate?

Rot is the usual culprit. Pea seed sown into cold, waterlogged soil — or watered heavily before emergence — breaks down before it can sprout. Sow into damp soil and then hold off watering.

What is the white powder on my pea plants?

Powdery mildew, which thrives in warm, humid weather and typically hits spring-sown peas late in their run. Good airflow, watering at soil level and resistant varieties all help.

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