Silverbeet (Swiss chard) is one of the most productive and reliable vegetables in the Australian raised bed garden. It tolerates heat, moderate frost, and poor conditions better than most leafy greens, and a well-managed plant can produce leaves for 12-18 months. The brilliant red, yellow, and white-stemmed 'Rainbow Chard' varieties add year-round colour to the garden.
Plant Spacing
30 cm apart
40 cm between rows
Days to Harvest
50-70 days to first harvest; ongoing
Germination: 7-14 days
Sun Needs
Full sun to partial shade
Water Needs
Moderate, tolerates brief drought but produces best with consistent moisture
Soil pH
6.0-7.5
Expected Yield
Ongoing, a single plant produces 1-2 kg over its productive life
Planting times vary significantly across Australia's five climate zones. Find your zone below for the best planting windows.
| Climate Zone | Best Planting Months |
|---|---|
| Tropical (Darwin, Cairns) | April-September |
| Subtropical (Brisbane, Northern NSW) | March-October; year-round in cooler areas |
| Temperate (Sydney, Melbourne, Perth) | Year-round |
| Cool/Alpine (Canberra, Hobart, high country) | Year-round (may die back in heavy frosts but regrows) |
| Arid (Alice Springs, outback) | March-November |
Not sure of your climate zone? Enter your postcode to get personalised planting advice.
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Silverbeet is one of the most forgiving and productive crops in the Australian raised bed garden. Unlike spinach, it tolerates heat and continues producing through summer; unlike lettuce, it doesn't bolt at the first sign of warmth. This makes it a genuinely year-round crop in most Australian climates.
Sow seed 2cm deep in rows 40cm apart, thinning to 25-30cm spacing when seedlings are 10cm tall. Like beetroot, silverbeet seed clusters contain multiple seeds, expect 3-4 seedlings per position and thin to the strongest one. Use thinnings as baby greens in salads.
Silverbeet tolerates poorer soil than most vegetables but performs best in compost-enriched raised beds. Apply a balanced fertiliser at planting and top-dress with compost or liquid fertiliser every 4-6 weeks through the growing season.
The most important management technique is the harvesting method, always remove outer leaves from the base of the plant, cutting cleanly at the stem base. Never strip the plant entirely. The growing centre continuously produces new leaves. Managed this way, a single planting can last 12-18 months.
Choose varieties for interest and productivity: 'Fordhook Giant' is the standard green variety with white stems; 'Rainbow Chard' ('Five Colour Silverbeet') produces red, yellow, orange, pink, and white-stemmed plants that are as ornamental as they are edible; 'Red Chard' (Ruby Chard) has brilliant scarlet stems and is highly productive.
From the makers
Plant Planner calculates how many silverbeet plants your family needs, assigns them to the right beds, and generates a personalised planting schedule for your climate zone.
These plants make excellent neighbours for silverbeet in your raised beds, they help deter pests, improve pollination, or enhance growing conditions.
Avoid planting silverbeet near these crops, they can inhibit each other's growth, attract shared pests, or compete aggressively.
Leaf miners create pale winding tunnels within leaves, minor damage can be removed by cutting out affected sections.
Caterpillars occasionally feed on leaves; handpick or treat with Bt.
Downy mildew appears in humid conditions as pale patches on upper leaf surfaces with grey-purple fuzz beneath, improve airflow and avoid overhead watering.
Powdery mildew is occasional; treat with bicarbonate spray.
Harvest outer leaves when 25-35cm long, cutting cleanly at the stem base. Young inner leaves are more tender for salads; larger outer leaves are better cooked. Remove old, yellowing outer leaves even if not consuming them, this keeps the plant productive and reduces disease. Silverbeet wilts after harvest; refrigerate immediately in a sealed bag.
Ongoing, a single plant produces 1-2 kg over its productive life
Yield depends on variety, growing conditions, and management. These are typical results for well-maintained Australian raised beds.
Plant Planner checks every crop assignment against the full companion database, it knows that Silverbeet grows well with Tomato and Onion and warns you about antagonists automatically.
Unlock Free6-8 plants provides regular harvests for a family of 4 year-round
These estimates are based on average Australian household consumption. Adjust up if you plan to preserve, freeze, or use heavily; adjust down for occasional use.
Silverbeet germinates in 7-14 days and is ready to harvest in 50-70 days to first harvest; ongoing. Harvest outer leaves when 25-35cm long, cutting cleanly at the stem base.
Space silverbeet plants 30 cm apart, with 40 cm between rows. Correct spacing gives each plant room for airflow and root development and is one of the easiest ways to lift your yield in a raised bed.
Full sun to partial shade. Moderate, tolerates brief drought but produces best with consistent moisture.
It depends on your climate zone. In temperate areas (Sydney, Melbourne, Perth, Adelaide) plant silverbeet Year-round. Other zones: tropical, April-September; subtropical, March-October; year-round in cooler areas; cool, Year-round (may die back in heavy frosts but regrows); arid, March-November.
Silverbeet grows well alongside Tomato, Onion, Carrot, Beans, Beetroot, Lavender. Keep it away from Corn, which can compete with it or attract shared pests.
6-8 plants provides regular harvests for a family of 4 year-round
Plant Planner automatically calculates how many silverbeet plants your family needs, assigns them to the right beds, and generates a personalised planting schedule for your climate zone.
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