How to grow silverbeet in Australia
Also known as: Swiss Chard
Silverbeet (also called Swiss chard) is the workhorse of the Australian vegetable garden. It grows year-round in most climates, produces continuously for 12+ months from a single planting, tolerates heat that lettuce can't handle, survives frost that wipes out other greens, and gives you both leaves and stems as edible parts. If you've never grown silverbeet, start with it. It's the vegetable that builds gardening confidence — almost impossible to fail with, generous beyond reason, and useful in dozens of dishes.
When to plant
Silverbeet is one of the most climate-flexible vegetables you'll grow. It tolerates a wide range from light frost to summer heat.
March to September in the dry season. Silverbeet grows reliably in tropical climates outside the wet season.
February to October. Long productive window. The hottest summer weeks slow growth but don't stop it.
Year-round in mild coastal areas with brief pauses in extreme heat.
September to May. Tolerates light frost; winter is slow but plants survive.
October to April. Hardy plants survive heavy frost. Winter growth is slow but plants resume actively in spring.
March to October. Mulch heavily through hot months.
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Open the full planting calendar →How to plant
Silverbeet can be grown from seed (direct-sown or in trays) or from seedlings.
Spacing: 30–40cm between plants. Silverbeet grows into a substantial plant 40–60cm tall and wide.
Depth: Sow seeds 1–2cm deep. Each "seed" is a multi-seed cluster (similar to beetroot) — thin seedlings to one plant per spot.
Soil: Rich, well-drained soil with plenty of compost. Silverbeet is a heavy feeder over a long period — top up with compost or pelleted manure mid-season.
Long-lived plants: A well-established silverbeet plant produces for 12+ months. No succession planting needed — just keep harvesting the same plants and remove any that bolt to flower.
Pots, raised beds, or in-ground?
Silverbeet adapts to all three options.
In-ground is the standard. Allow space for the substantial plant.
Raised beds suit silverbeet very well. A single plant occupies roughly 40 × 40cm and produces for 12+ months.
Pots work well for silverbeet. A 25–30 litre pot supports one plant for the full productive period. Smaller varieties (some compact strains) suit pots as small as 15 litres. Feed regularly with liquid fertiliser — the plant produces a lot of leaf mass over its long life.
Sunlight & water
Full sun to part shade — 4 to 8 hours daily.
Water consistently. Silverbeet tolerates short dry periods but produces best with steady moisture. Mulch helps.
When and how to harvest
Harvest outer leaves as needed, leaving the central growing point intact. New leaves emerge from the centre continuously. Pick by twisting and pulling outward at the base of the stem.
Don't strip a plant bare — leave at least 6–8 leaves at the centre to keep it producing. A well-maintained plant supports near-continuous harvest for over a year.
Silverbeet stores in the fridge for about a week. The stems can be cooked separately from the leaves — they take longer to soften but have a distinct flavour. Freezes well after blanching.
Common problems
Silverbeet has very few problems. The main issues:
Leaf miner can cause white trails in the leaves. Cosmetic only; cut affected leaves and use the unaffected portions.
Slugs and snails on young plants. Beer traps or iron-based bait. Mature plants are essentially untouched.
Bolting to flower in warm conditions after the plant has been established for many months. This is normal — the plant has run its course. Remove and replace.
Caterpillars can damage leaves occasionally. Hand-pick or use Dipel.
Companion planting
Plant near: Onion, carrot, beetroot, brassicas, beans, lettuce.
Keep away from: Climbing beans (shade conflicts), tomato (different nutrient needs in shared beds).
Australian varieties
Fordhook Giant — Classic large-leaved white-stemmed silverbeet. The standard variety in Australian gardens. Reliable, productive, widely available.
Lucullus — Slightly more heat-tolerant than Fordhook. Suits warm climates. Heritage variety.
Perpetual Spinach — Despite the name, technically a silverbeet variety. Smaller, smoother leaves resembling spinach. More tender than standard silverbeet.
Erbette — Italian heritage silverbeet, sweeter and more tender than Fordhook. Heritage seed suppliers.
Pet safety
Pet safety information is provided as a general guide only. If your pet has consumed any plant material, contact your vet or the Animal Poisons Helpline on 1300 869 738 immediately.