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Thyme

Growing Thyme in South Australia

Introducing Thyme

Thyme is a drought-tolerant, hardy, perennial herb. It has a strong flavour and thrives the heat of the South Australian summers.

Like other woody herbs, thyme is a short-lived perennial and will need to be replaced after a few years; usually 3 or 4, depending on how well cared for your plants are. The good news is that thyme is easy to propagate from cuttings, so you can replace your plants when they start to look woody and tired.

Thyme is a great plant for the hottest, driest parts of the garden and will thrive in spots where most plants really struggle. It’s a pretty little herb and fits right in as part of the landscaping or as a rewarding addition to the veggie or herb garden.

There are many varieties of thyme with a range of flavours and appearances. Some grow upright and some creep along the ground. Almost all have pretty little flowers. The most common varieties are usually available at gardening centers, but there are many more available online. Thyme is easy to propagate from cuttings, so if you’re looking for more varieties, a friend’s garden in often the best place to go ‘shopping’.

Classic Mistakes

Thyme doesn’t like rich soil. Don’t over-feed or over-water it.

Sunlight

Grow in: Partial Shade - Full Sun

Thyme can grow in variety of conditions, but will do best and be most vigorous in full sun. Thyme that is grown in more shaded conditions tends to be less vigorous and usually gets a bit ‘leggy’.

Soil Preparation

Thyme, like other Mediterranean herbs, prefers a poor soil. Don’t work in compost or manure. Thyme grows naturally on the Mediterranean mountainsides in gravelly soil, so if you’re planting it into pots, be sure to add some stones or grit for improved drainage.

Thyme has a better flavour if it’s grown in poor soil with less water, but if you need to plant it into a part of the garden with rich soil and higher water requirements, it will still be quite happy. It won’t develop quite the same intensity of flavour, but it can still thrive, have good taste and look pretty in a spot with less than ideal soil requirements, as long as the drainage is good.

Sowing Seed

Sow seed: September-November
Sowing depth: 1cm

Wait until it’s properly warm to sow seeds into the garden.

Thyme can be grown from seed, but the plants take a long time to become established, so they are usually grown from seedlings, small plants or cuttings. Thyme can be sown in trays or directly into the garden. Simple sprinkle your seed onto the soil, cover with 1cm of compost and press down gently to compact the soil. Keep the seeds warm and moist until they’ve germinated. Thyme can take anywhere from two weeks to a whole month to germinate, so don’t be discouraged if your plants take a while to appear.

Planting

Plant seedlings: All Year Round

Thyme can be planted all though the year, although it’s easier to settle new plants into the garden in spring and autumn when the weather is more temperate. If you do plant during the hottest or coldest months, your plants will need a little more care to help them settle in well.

Thyme is best planted from seedlings or semi-hardwood cuttings. Simply place your seedlings into prepared holes and water them in. Add a small amount of bonemeal to each hole to help your plants develop strong root systems.

Care

Pick from your plants often. It’ll encourage them to grow more vigorously and to fill out. If you’re not picking regularly then your thyme will need to be pruned. The best time for pruning is just after the plants have flowered. You can cut them back reasonably hard to give them a nice shape, but remember, they are a woody herb and you need to leave some of the newer leaves on each stem so that the plant can regrow.

Watering

Don’t over-water. Water only when the soil is dry. Don’t forget about your thyme though. It needs so little care throughout most of the year that it can be easy to think of thyme as a plant that never needs watering. It’s important to check are your plants during long, hot, dry spells. They are very hardy and drought resistant, but they can still die if they go for too long without water.

Feeding

Thyme does not usually need to be fertilized. Over feeding the plants will cause them to produce an abundance of leaves, but the flavour will be less intense. Feed lightly once a year when the plants flower.

Mulching

Thyme does not need to be mulched. It prefers the soil to dry out between waterings. If you want to mulch to keep the weeds out, then some small stones, pebbles, or gravel would make a good mulch.

Harvesting

Harvest:

You can harvest from your plants as soon as they are established. The very best time to harvest from them is just before they flower when their flavour is best. Simply pick stalks or use scissors to cut what you need. The leaves can be used fresh or dried. You’ll notice that your plants won’t grow much in winter, but as soon as the weather warms up, they’ll have a burst of vigorous growth. They appreciate heavy picking, but always be sure to leave enough of the plant to provide energy so that it can keep growing.

What to do about Alternaria Blight?

Remove and destroy the affected areas of the plant. Use wide spacing to increase airflow if this is a common problem in your garden.
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