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Humdinger Herbs for the Home Garden
Growing your own herbs can benefit the rest of your garden if you sow what is called a ‘good bug mix’ - an assortment of flowering herbs and wildflowers which encourages beneficial insects such as bees, ladybirds and predatory wasps.
Herbs are exceptionally easy to grow and economical. If you choose the right ones, your garden will not only be attractive to you but also to beneficial bugs which can help control aphids and other pests.
Horticulturist Angela Mateo who tends to the Herb Garden at the Royal Botanic Garden, Sydney recommends some her favourites.
'Some of my favourites which attract good bugs and make your garden look stunning are dill, lavender, parsley, Queen Anne’s lace, sunflowers, thyme, alyssum, marigolds, borage, phacelia and coriander,' she said.
Ms Mateo stressed the importance of growing your own herbs organically, without using chemicals or other nasties.
'Definitely don’t use herbicides on any plants that you grow yourself for food. If you keep your herbs healthy, follow the minimum requirements of water and fertilising and have companion plantings, you should not need to use chemicals on them. If you still have some issues with some pests there are organic pesticides (such as garlic or cayenne sprays for instance) that might be safe to use,' she said.
Sydney’s north shore offers ideal growing conditions for most herbs because they relish warm weather and loads of sunshine. Do be vigilant though during periods of humidity, which encourages fungal diseases. Well drained soil and good air movement is essential for most herbs, especially during times of high humidity and heavy rainfall. The Mediterranean herbs such as rosemary, thyme, oregano, sage, lavender, hyssop and chamomile especially loathe wet soggy soils and overwatering.
In frost free areas, you can plant herbs in autumn while the soil is still warm from the summer season. In cooler areas the general rule is to plant herbs in spring after the last frost.
There are many commonly used herbs which are simple to grow in your own backyard - especially if you live on Sydney’s north shore. These are: thyme, rosemary, oregano, sage, mint (best kept in pots as this one can become very weedy), chives, garlic chives, spring onions, basil (there are many different types), rocket, parsley, coriander, lemon verbena and stevia - just to mention a few.
There is a bounty of choices when it comes to choosing your own herbs to grow. Ms Mateo recommends grouping types with similar growing conditions in your garden for ease of care.
In contrast to the Mediterranean herbs there are some types that require ample moisture, especially in summer such as Vietnamese mint, ginger, cardamom, galangal, lemon grass and turmeric. These herbs will take some shade too and they give the garden a tropical feel. Parsley, coriander, basil (many types), chillies, dill and rocket do well in similar conditions, as they all prefer rich soils and good moisture in summer. For basil and chillies wait until the risks of frost have gone before you plant them.
Ms Mateo said it is useful to understand the pros and cons about whether to grow herbs from seed or seedlings (small established plants).
'Herbs that belong to the Apiaceae family, for example, coriander, parsley, dill and chervil, resent being transplanted, so it is best to sow seed in situ - that is - where they will be growing. If you buy seedlings from your local nursery and plant them straight away, they should be fine,' she said.
'Growing from seed is cheaper and more rewarding than using seedlings, and there is always a much better selection. For instance, Diggers Club, Eden seeds or Greenharvest have an extensive seed catalogue and lots of useful tips on growing herbs. Otherwise, other nurseries, big and small, stock a wide range of seasonal and interesting herbs. If visiting local nurseries, look for native herbs such as mintbush or lemon myrtle as they are also great at attracting native bees and other beneficial insects.'
An important tip is to make sure that straight after planting you water your herbs and apply a liquid fertiliser (such as seaweed solution) to help with transplant shock.
The Herb Garden at the Royal Botanic Garden, Sydney is a fabulous place to visit for ideas. It features the usual herbs (the ones you find in most nurseries and on the shelves of your grocery store) but also rarer and more challenging ones (from specialised nurseries). The Herb Garden hosts about 200-plus herbs and other useful plants, classified geographically (per continent).
They are also grouped into:
Things to be aware of: