Australian Capital Territory · Cool Temperate Climate
A month-by-month planting calendar for Canberra gardeners. Canberra has Australia's most extreme capital city climate, bitterly cold winters with frosts from April to October, hot dry summers, and a compressed but highly productive growing season. The altitude (580m above sea level) and inland location create temperature extremes few other Australian cities experience. Canberra gardeners must plan carefully around the frost calendar, but the cold winters produce outstanding garlic, broad beans, and brassicas, while hot dry summers are ideal for tomatoes once frosts are safely past.
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Canberra's cool temperate climate creates unique conditions for home vegetable gardeners. Here are the most important things to understand before you plant.
Scroll through all 12 months to plan your Canberra garden year-round. The current month is highlighted. Each month shows what to sow from seed, what to plant as seedlings, and what should be ready to harvest.
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This calendar gives you a strong foundation, but Plant Planner goes further. Enter your postcode, bed dimensions, and family size for a 12-month schedule with exact planting dates, quantities for your family, companion planting suggestions, and weekly email reminders sent straight to your inbox.
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Canberra's cool temperate climate means your gardening calendar differs significantly from gardeners in other parts of Australia. With average winter minimums around 1°C and summer maximums reaching 31°C, selecting the right varieties for your conditions is just as important as timing. Focus your energy on October-November (after last frost) and January-February (succession crops), these are your highest-value planting windows when conditions align for strong germination and vigorous growth.
Raised garden beds are particularly well-suited to Canberra conditions. They warm faster than ground-level beds in cooler months, drain freely to prevent waterlogging, and allow you to create an ideal growing medium regardless of your native soil type. A depth of 30-40cm gives most vegetables ample root run, while a 1.2m width ensures you can reach the centre from either side without compacting the soil.
Canberra's cool climate reduces water demand compared to warmer cities, but summer dry periods can stress plants. Deep, infrequent watering encourages deep root systems that access subsoil moisture during dry spells. Mulching raised beds with 7-10cm of sugar cane or pea straw dramatically reduces evaporation.
With careful planning, Canberra gardeners can achieve near year-round harvests from raised beds. The key is succession planting, rather than planting everything at once, sow small batches of fast-growing crops like lettuce, radish, and spinach every 3-4 weeks. This spreads harvests over a much longer window and prevents the frustrating "feast or famine" cycle. The Canberra planting calendar above shows exactly when each window opens and closes for your climate.
Canberra's cool climate means slower composting and more conservative fertilising. Add well-rotted manure and compost in autumn to break down over winter, and supplement with fish emulsion or seaweed tea during active growth.
For most Canberra home gardeners, a 1.2m × 2.4m raised bed at 40cm depth is the ideal starter. It fits a family of 4's core vegetable needs, lets you reach the centre from both sides, and contains enough soil volume to buffer against drying. Use our raised bed calculator to size it for your space.
Well-designed companion combinations reduce pest pressure without chemicals. Plant basil with tomatoes, marigolds along bed edges, and nasturtiums near brassicas. Keep onions away from peas, and never plant tomatoes next to brassicas. See our companion planting guide for the full matrix.
Frost months in Canberra: April-October (regular frosts; heavy frosts June-August). Protect frost-tender crops (tomato, basil, beans, zucchini) with a frost cloth, cloche, or cold frame on nights below 4°C. Raised beds warm faster after a cold night than in-ground beds, which means you can remove covers earlier in the morning.
A well-planned 1.2m × 2.4m raised bed in Canberra produces around 50-80kg of fresh vegetables per year with succession planting. That covers roughly 30-40% of a family of 4's vegetable consumption, enough to dramatically reduce your supermarket bill. Plant Planner's family calculator does the maths for any bed size.
Canberra's cool temperate climate (winter lows around 1°C, summer highs around 31°C) is well-suited to a wide range of vegetables. The best planting months are October-November (after last frost) and January-February (succession crops). Reliable crops for Canberra gardeners include tomatoes, zucchini, beans, lettuce, silverbeet, kale, broccoli, cauliflower, carrots, beetroot, garlic, and herbs like basil and parsley. The month-by-month calendar above shows exactly what to plant when.
In Canberra, the most productive planting windows are October-November (after last frost) and January-February (succession crops). Spring plantings (September-November in temperate/cool zones) deliver summer harvests of warm-season crops like tomatoes, beans, and cucumbers. Autumn plantings (March-May) set you up for winter and early-spring harvests of brassicas, leafy greens, peas, and garlic. Frost risk months in Canberra: April-October (regular frosts; heavy frosts June-August).
Yes, Canberra gardeners can harvest something almost every month of the year with careful planning. The key is succession planting (sowing small batches every 3-4 weeks) and choosing crops that match each season. Raised beds extend the shoulder seasons by warming faster in spring and draining better in wet winter months. Plant Planner generates a 12-month rolling schedule automatically, enter your Canberra postcode to get personalised dates.
For a live, personalised answer based on today's date and your exact Canberra postcode, use our "what to plant now" tool or sign up for the free plan. The month-by-month calendar above shows sowing, transplanting, and harvest windows for every month of the year in Canberra.
A 1m × 2m raised bed in Canberra can easily feed a family of four across a season with staggered plantings. For example: 4 broccoli + 6 lettuce + 1 row silverbeet + garlic block (winter), rotating to 3 tomato + 6 bean plants + 2 zucchini + herbs (summer). Our raised bed calculator at /raised-bed-calculator does this maths for any bed size.
Every Australian city has its own planting rhythm. Choose your city for a tailored calendar.
Run a Canberra gardening blog, nursery or community site? Drop in this free, always-current “what to plant this month” widget. It updates itself every month, no maintenance.
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