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Tomato seedlings

Growing tomatoes from seed

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There are many ways of growing tomatoes from seed, but here is one of the simplest and most common, using punnets or seedling trays.

For temperate climates, you need to pot up seedlings and wait for frost to pass. If you wait until the weather is warm enough to plant out before you start your seeds, you will have less time for them to mature and fruit, before cold weather arrives again.

Getting seed

Either save your own seed or source it from reliable suppliers. There are nearly 500 heirloom tomato cultivars available from about 25 mail order seed sellers in Australia. You are much better buying from seed companies, than from sellers on eBay, gumtree or similar.

Also, it’s illegal to bring tomato seeds in from overseas, so don’t be tempted to buy from an overseas company, or ask a relative to send you seeds of their favourite tomato. At best you’ll lose the seeds, at worst you might be prosecuted.

Warmth

When planting in August and September in warmer regions, just place your planted seed trays in a sheltered, warm position outside. In temperate regions, seeds and seedlings need to be kept warm if they are going grow and thrive.

You can do lots of things to keep your tomatoes warm, such as:

• create a mini greenhouse using a polystyrene box and a small glass window or plastic over the top. Alternatively, buy a mini greenhouse;

• find a sunny window sill;

• put your punnets on top of the water heater or buy a seed-raising heat mat.

Tomatoes by Kirsten Bresciani

For more gardening tips and ideas get the latest issue of ABC Organic Gardener Magazine here.

You can also have a look at these features online.

Growing tomatoes in pots and baskets

Tomatoes for all occasions

Great times for tomatoes