Growing silverbeet from seed is easy and a great way to have fresh produce at your doorstep during the cooler months. Silverbeet is hardier than spinach and has a stronger flavour.
It provides continuous picking so you only need to plant the seeds once for the coming season. If you let the plant go to seed you will find new plants appearing in the same spot next year. Try this guide to collecting silverbeet seeds.
Silverbeet can be grown in all climate zones. It prefers full sun to part shade during the cooler months and a position that is shaded from the hot afternoon sun during the summer.
Tools and Equipment Needed
- Trays or Punnets and a Saucer
- Potting Mix
- Compost or Aged Manure
- Liquid Fertiliser (Paid link)
How to Grow Silverbeet from Seed
- Prepare the Soil
Add compost or aged manure to the soil then dig in well. Make rows 30cm (12 inches) apart. For acidic soil add a small handful of lime per metre squared or per yard squared.
- Sow the Seeds
Silverbeet seeds can be sown directly in their final position. Place a few seeds in rows every 35 to 40cm (14 to 16 inches) apart. Press the seeds down 12mm (½ inch) deep then cover with soil. Keep moist until seedlings emerge.
- Thin Out the Seedlings
Seeds planted directly should be thinned out to one plant every 35 to 40cm (14 to 16 inches). Protect from snails by either using snail pellets (paid link) around the plants or use a natural barrier of crushed egg shells or anything with sharp edges.
For best results apply a half strength of liquid fertilizer to seedlings then apply a full-strength liquid fertilizer every two weeks. Seaweed concentrate (paid link) is a good choice as it is beneficial to the soil as well as the plant and promotes healthy root growth.
Water the plant regularly especially during warm dry weather. Harvest the outside leaves by cutting an inch from the base with scissors. Leave a few leaves in the middle to have continuous picking.
Sowing Silverbeet Seeds in Punnets
Silverbeet will germinate successfully in straight potting mix but you can use seed raising mix for best results.
Fill the trays to 5mm (¼ inch) from the top then water well. Make indentations with your finger 12mm (½ inch) deep then place two seeds in each hole. Cover with soil then set in a saucer of water.
During cooler weather cover the top with a pane of glass or plastic wrap to speed up germination. Place in a sunny windowsill or in a protected sunny position in the garden.
Keep an eye on the punnet and if the top starts to dry out spritz with water. Seedlings will emerge in 10 to 14 days. Plant out seedlings when they have their second leaves then keep moist for the first two weeks.
Growing Silverbeet in Pots
Silverbeet can be grown in pots in apartments. Find a position that has good ventilation and sun for at least half of the day. Plant 35cm (14 inches) apart in long rectangular pots or singularly in separate 15 to 20cm (6 to 8 inch) pots.
Use regular potting mix then apply liquid fertiliser every two weeks.
Try these top rated pots from Amazon. (Paid link)
Growing Silverbeet from seed is easy as they have large seeds which are easy to germinate. This is a cost-effective food crop which freezes well. Try this guide to freezing silverbeet.
Silverbeet can be grown successfully in a shade house during the warmer months but they do grow better out in the full sun during the winter.
Do you love growing your own food? Try this Homesteading guide.
To Print or Save this guide to growing silverbeet from seed, click the button below for the PDF File.
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