Sydney, NSW · Autumn
What to sow, plant, and harvest in Sydney across March, April, May, the full seasonal list, in the order an almanac would lay it out.
Months
March, April, May
Crops to sow
16
Seedlings to plant
13
Climate
Temperate
Autumn in Sydney is the underrated second planting window, brassicas, leafy greens, garlic, broad beans all go in as the heat eases. The city sits in temperate territory, winter lows around 8°C, summer highs around 29°C, and the autumn months (March, April, May) carry a recognisable rhythm that's worth knowing before you plant.
From seed in Sydney this autumn: Broccoli, Cauliflower, Kale, Spinach, Silverbeet, Asian Greens, Radish, Beetroot, Carrot, Garlic, Broad Beans, Peas, Mizuna, Snow Peas, Turnip, Coriander. That's a long list, which is the upside of Sydney's temperate conditions in autumn, direct-sowing into raised beds gives you the best germination and the strongest root systems for the season ahead.
As seedlings in Sydney this autumn: Broccoli seedlings, Lettuce, Bok Choy, Silverbeet, Leek, Broccoli, Cauliflower, Cabbage, Lettuce varieties, Celery, Asian Greens, Brussels Sprouts. Buying seedlings from a local nursery shortens the calendar by 4-8 weeks compared to seed, which matters most in Sydney's shoulder windows.
Harvesting in Sydney this autumn: Tomato (last of season), Capsicum, Eggplant, Zucchini, Beans, Pumpkin, Tomato (final harvest), Sweet Potato, Broccoli (early heads), Lettuce, Spinach, Silverbeet, Asian Greens, Radish. The harvest peak runs across the season's middle month, when warm-season crops planted in the previous shoulder are coming into full production.
Sydney's wet summers (November-February) bring fungal diseases, ensure beds have excellent drainage and space plants for airflow around tomatoes and zucchini. Coastal Sydney rarely frosts, so you can grow silverbeet, kale, and Asian greens year-round without frost protection. If you want the printable, see the full Sydney planting calendar.
Sydney's autumn suits raised beds for the simple reason that raised beds drain faster and let you control the bed mix, both of which matter when the season's weather extremes try to either drown or bake your crops. The raised bed calculator sizes the bed; the companion planting guide fills it out.
For the month-by-month read, see the full Sydney planting calendar. To convert this season's list into an exact bed plan for your household, Plant Planner reads your postcode, your bed dimensions, and your family size and does the maths.
Sow from seed
Plant as seedlings
Harvest
In Sydney's autumn (March, April, May), you can sow from seed: Broccoli, Cauliflower, Kale, Spinach, Silverbeet, Asian Greens, Radish, Beetroot, Carrot, Garlic, Broad Beans, Peas. From seedlings: Broccoli seedlings, Lettuce, Bok Choy, Silverbeet, Leek, Broccoli, Cauliflower, Cabbage, Lettuce varieties, Celery.
Across Sydney's autumn months, you'll be harvesting: Tomato (last of season), Capsicum, Eggplant, Zucchini, Beans, Pumpkin, Tomato (final harvest), Sweet Potato, Broccoli (early heads), Lettuce, Spinach, Silverbeet, Asian Greens, Radish.
The strongest autumn performer in Sydney depends on what you already grow, but high-yield, low-effort choices include Broccoli seedlings, Lettuce, Bok Choy. The full crop-by-crop guides are linked above.
Frost risk in Sydney: Frost-free (coastal), light frosts inland June-August. Frost is less of a concern in this season, heat protection and irrigation matter more.
Tell us your postcode and your bed size. We’ll lay it out, size it for your household, and email reminders the weekend before each task.
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