What to Plant in June — Temperate Australia
Your complete June planting guide for temperate climate zones. Whether you're in Sydney, Melbourne, or Adelaide, this guide tells you exactly what to sow from seed, plant as seedlings, and harvest this winter.
Covers: Sydney, Melbourne, Adelaide, Perth, Wollongong and surrounding temperate postcodes(2000 (Sydney), 3000 (Melbourne), 5000 (Adelaide), 6000 (Perth))
Temperate Climate — June Overview
Classic four seasons with warm summers and cool winters. Occasional light frosts inland.
June falls in winter for most of Australia, but in temperate zones this means typical seasonal shifts that guide what crops perform best. The recommendations below are calibrated specifically for temperate conditions with local rainfall patterns, temperature ranges, and frost dates in mind.
Sow from Seed
Direct or in punnets
- Broad Beans
- Garlic (cloves)
- Peas
- Spinach
- Mache
- Rocket (under cover)
- Winter Radish
- Onion seeds
These crops perform best when direct-seeded or started in seed trays in June for temperate conditions.
Plant as Seedlings
Transplant-ready
- Broccoli
- Cauliflower
- Cabbage
- Kale
- Brussels Sprouts
- Onion seedlings
These crops establish faster from nursery seedlings in June. Harden off for 3–5 days before planting out.
Ready to Harvest
From earlier plantings
- Broccoli (early plantings)
- Cauliflower
- Kale
- Silverbeet
- Spinach
- Leek
- Carrot
- Beetroot
Crops typically ready for harvest in June in temperate zones, from plantings made in previous weeks.
June Tip for Temperate Gardens
Winter arrives — growth slows but hardy crops continue producing. Broad beans and peas planted through winter will give the earliest spring harvest. Protect tender seedlings with fleece cloth on frost nights. Mulch beds thickly to insulate roots.
June Garden Tasks — Temperate Checklist
Soil Preparation
Winter preparation in temperate zones means protecting soil microbiology. Avoid working wet soil and apply a generous layer of compost to beds that have finished their autumn crops. Raised beds warm faster in spring when well-mulched through winter.
Watering Guide
In temperate zones during winter, water deeply and less frequently to encourage deep root systems. Morning watering reduces fungal disease risk. Raised beds typically need watering every 2–3 days in the current season.
Pest & Disease Watch
Pest pressure eases in temperate winters, but watch for: slugs and snails in moist conditions (iron-based snail pellets are safe for pets), aphid colonies on brassicas, and grey mould on over-crowded seedlings. Good airflow between plants prevents most fungal issues.
Succession Planting
Avoid the feast-or-famine cycle by sowing fast-maturing crops — lettuce, radish, Asian greens, and spinach — every 2–3 weeks rather than all at once. In temperate zones during June, a fortnightly succession-sowing rhythm ensures continuous harvests rather than a single glut. Split your available bed space into thirds and plant each third 2 weeks apart. This applies to salad crops year-round and to beans and beetroot in the warmer months.
From the makers
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This guide is a great starting point — Plant Planner goes further with exact sowing dates, quantities based on your family size, companion planting suggestions, and weekly email reminders.
Why Climate Zone Matters for June Planting
Australia spans five distinct climate zones, and the same calendar month means completely different growing conditions depending on where you live. A gardener in Sydney planting in June faces entirely different challenges and opportunities than someone in a cool alpine area like Canberra or Hobart.
For temperate zones specifically, June is the heart of winter — frost-hardy brassicas, leafy greens, and root vegetables are the backbone of productive beds. The planting recommendations on this page account for typical temperate frost dates, average temperatures, and seasonal rainfall patterns.
For even more precision, VeggiePatch Pro uses your exact Australian postcode to determine your specific microclimate, local frost dates, and the optimal planting windows for your suburb. Enter your postcode for a personalised 12-month planting calendar tailored to your exact location — not just your broad climate zone.
Get a Personalised Plan for Your Garden
This guide is a great starting point, but VeggiePatch Pro goes further. Enter your postcode, your bed measurements, and your family size — we'll generate a complete 12-month planting calendar with exact sowing dates, quantities based on how many people you feed, companion planting suggestions, and weekly email reminders.
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