South Australia · 🍂 Mediterranean/Temperate Climate
Adelaide VegetablePlanting Calendar & Chart.
A month-by-month planting calendar for Adelaide gardeners. Adelaide shares Perth's Mediterranean climate but with slightly cooler winters and a more distinct spring growing season. Hot, dry summers can exceed 40°C during heatwaves, while winters are mild with reliable rainfall. The Adelaide Hills just east of the city experience noticeably cooler conditions with light frosts, while the plains and coastal suburbs rarely frost. Spring and autumn are Adelaide's gardening goldilocks zones — warm enough for most vegetables, cool enough for quality harvests.
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Gardening in Adelaide — What You Need to Know
Adelaide's mediterranean/temperate climate creates unique conditions for home vegetable gardeners. Here are the most important things to understand before you plant.
Adelaide Gardening Tips
- 1Adelaide's extreme summer heatwaves (40°C+) can kill vegetable plants within hours — keep shadecloth on hand and water deeply the day before forecast heatwaves.
- 2The Adelaide Hills is its own microclimate — if you garden above 400m, treat your conditions more like Canberra and expect frosts from June to September.
- 3Adelaide's low summer rainfall means drip irrigation is essential — hand-watering raised beds in 38°C heat is exhausting and inefficient.
- 4Adelaide tap water is among Australia's most alkaline — check your soil pH regularly and add sulphur or acidic compost to correct alkalinity, which blocks nutrient uptake.
- 5Garlic grows beautifully in Adelaide — plant in May for a stunning Christmas harvest that coincides perfectly with the festive season.
Adelaide Month-by-Month Planting Calendar
Scroll through all 12 months to plan your Adelaide 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.
January
Sow from Seed
- Beans (heat-tolerant)
- Spring Onion
- Basil
🪴 Plant as Seedlings
- Sweet Potato slips
- Eggplant (heat-tolerant)
- Capsicum
🥕 Ready to Harvest
- Tomato
- Capsicum
- Eggplant
- Cucumber
- Zucchini
- Beans
- Basil
February
Sow from Seed
- Beans
- Spring Onion
- Beetroot
- Radish
🪴 Plant as Seedlings
- Eggplant
- Silverbeet
- Lettuce (bolt-resistant)
🥕 Ready to Harvest
- Tomato
- Capsicum
- Eggplant
- Cucumber
- Zucchini
- Beans
March
Sow from Seed
- Broccoli
- Cauliflower
- Kale
- Spinach
- Asian Greens
- Carrot
- Beetroot
- Radish
🪴 Plant as Seedlings
- Tomato (last chance)
- Lettuce
- Silverbeet
- Asian Greens
- Leek
🥕 Ready to Harvest
- Tomato
- Capsicum
- Eggplant
- Zucchini (last)
- Beans
- Sweet Potato
April
Sow from Seed
- Garlic
- Broad Beans
- Peas
- Spinach
- Kale
- Silverbeet
- Broccoli
- Cauliflower
- Radish
- Carrot
🪴 Plant as Seedlings
- Broccoli
- Cauliflower
- Lettuce
- Leek
- Onion
- Asian Greens
- Celery
🥕 Ready to Harvest
- Tomato (final)
- Capsicum (last)
- Pumpkin
- Broccoli (early)
May
Sow from Seed
- Garlic
- Broad Beans
- Peas
- Snow Peas
- Spinach
- Asian Greens
- Turnip
- Radish
🪴 Plant as Seedlings
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Leek
- Onion
- Silverbeet
🥕 Ready to Harvest
- Broccoli
- Lettuce
- Asian Greens
- Silverbeet
- Radish
- Carrot (early)
June
Sow from Seed
- Broad Beans
- Peas
- Spinach
- Kale
- Silverbeet
- Carrot
- Beetroot
🪴 Plant as Seedlings
- Onion seedlings
- Leek
- Kale
- Cabbage
- Silverbeet
🥕 Ready to Harvest
- Broccoli
- Cauliflower
- Kale
- Leek
- Silverbeet
- Spinach
- Asian Greens
July
Sow from Seed
- Peas
- Snow Peas
- Broad Beans
- Spinach
- Kale
- Onion (seeds)
🪴 Plant as Seedlings
- Onion seedlings
- Leek
- Kale
- Cabbage
- Silverbeet
🥕 Ready to Harvest
- Broccoli
- Cauliflower
- Kale
- Silverbeet
- Leek
- Spinach
- Broad Beans (early podding)
August
Sow from Seed
- Tomato (indoors)
- Capsicum (indoors)
- Eggplant (indoors)
- Beetroot
- Carrot
- Radish
- Peas
🪴 Plant as Seedlings
- Onion seedlings
- Leek
- Broccoli
- Kale
- Silverbeet
🥕 Ready to Harvest
- Broccoli
- Cauliflower
- Kale
- Leek
- Silverbeet
- Peas (early)
- Broad Beans
September
Sow from Seed
- Tomato
- Capsicum
- Eggplant
- Cucumber
- Zucchini
- Beans
- Basil
- Carrot
- Beetroot
- Spring Onion
🪴 Plant as Seedlings
- Tomato seedlings
- Broccoli (last)
- Lettuce
- Silverbeet
- Onion
🥕 Ready to Harvest
- Peas
- Broad Beans
- Broccoli
- Cauliflower
- Leek
- Spinach
- Kale
October
Sow from Seed
- Tomato
- Cucumber
- Zucchini
- Beans
- Pumpkin
- Sweet Corn
- Basil
- Spring Onion
🪴 Plant as Seedlings
- Tomato
- Capsicum
- Eggplant
- Zucchini
- Cucumber
- Sweet Potato
🥕 Ready to Harvest
- Peas
- Broad Beans (last)
- Broccoli (side shoots)
- Lettuce
- Radish
- Silverbeet
November
Sow from Seed
- Beans
- Cucumber
- Zucchini
- Sweet Corn
- Basil
- Dill
- Spring Onion
🪴 Plant as Seedlings
- Tomato
- Capsicum
- Eggplant
- Zucchini
- Pumpkin
- Sweet Potato
🥕 Ready to Harvest
- Lettuce
- Silverbeet
- Spring Onion
- Garlic (early varieties)
- Peas (last)
December
Sow from Seed
- Beans
- Spring Onion
🪴 Plant as Seedlings
- Eggplant (last)
- Sweet Potato
- Capsicum
🥕 Ready to Harvest
- Tomato
- Zucchini
- Cucumber
- Beans
- Garlic
- Spring Onion
- Basil
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About Vegetable Gardening in Adelaide
Understanding Your Climate
Adelaide's mediterranean/temperate climate means your gardening calendar differs significantly from gardeners in other parts of Australia. With average winter minimums around 7°C and summer maximums reaching 33°C, selecting the right varieties for your conditions is just as important as timing. Focus your energy on March–May (autumn) and September–October (spring) — these are your highest-value planting windows when conditions align for strong germination and vigorous growth.
Raised Beds in Adelaide
Raised garden beds are particularly well-suited to Adelaide 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.
Watering in Adelaide
Adelaide's dry summers require consistent irrigation. Raised beds dry out faster than in-ground beds and may need watering every 1–2 days in summer. Installing drip irrigation or soaker hoses on a timer is a worthwhile investment that pays off in reduced time and water use.
Year-Round Productivity
With careful planning, Adelaide 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 Adelaide planting calendar above shows exactly when each window opens and closes for your climate.
Planning Your Adelaide Vegetable Garden
Soil preparation for Adelaide gardens
Adelaide soils can range from sandy to heavy clay depending on the suburb. For raised beds, start with a 50/50 mix of quality compost and garden loam, adding aged manure and a handful of blood-and-bone per square metre. Mulch heavily with sugar cane or pea straw to protect against summer drying.
Best raised bed size for Adelaide
For most Adelaide 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.
Companion planting in Adelaide
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 protection for Adelaide gardeners
Frost months in Adelaide: Frost-free (plains) — light frosts July–August in Hills. 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.
How much can one Adelaide raised bed feed?
A well-planned 1.2m × 2.4m raised bed in Adelaide 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.
Adelaide Planting Calendar — Frequently Asked Questions
What vegetables grow best in Adelaide?
Adelaide's mediterranean/temperate climate (winter lows around 7°C, summer highs around 33°C) is well-suited to a wide range of vegetables. The best planting months are March–May (autumn) and September–October (spring). Reliable crops for Adelaide 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.
When is the best time to plant vegetables in Adelaide?
In Adelaide, the most productive planting windows are March–May (autumn) and September–October (spring). 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 Adelaide: Frost-free (plains) — light frosts July–August in Hills.
Can I grow vegetables in Adelaide all year round?
Yes — Adelaide 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 Adelaide postcode to get personalised dates.
What can I plant in Adelaide right now?
For a live, personalised answer based on today's date and your exact Adelaide 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 Adelaide.
How many vegetables can I grow in a small raised bed in Adelaide?
A 1m × 2m raised bed in Adelaide 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.
Planting Calendars for Other Australian Cities
Every Australian city has its own planting rhythm. Choose your city for a tailored calendar.
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<p style="font:13px/1.5 sans-serif;color:#6B7280;margin:8px 0 0"><a href="https://plantplanner.com.au/planting-calendar/adelaide">Adelaide planting calendar</a> by Plant Planner</p>Free to use on any website. The widget links back to this Adelaide calendar — please keep the attribution line.