Posts Tagged ‘Companion planting’


October 16th, 2010

A visitor to my garden

Long ago our grandmothers in their cottage gardens planted a wide variety of flowers, herbs and vegetables, mixed together in a seemingly random fashion.  But over the generations gardeners have observed that some plants will grow better when planted close to another particular plant, or indeed that the reverse is true.  Some plants like other plants and grow better when planted nearby.  They are companions.  Good friends.

Many herbs can be used to repel pests, some are effective just grown in the garden, while others can be picked and used fresh or dried.

Companion planting and using pest-repellent herbs increased the health and resistance of plants.  For example, a well know one is basil with tomatoes, not only cooked, but grown together.

Nasturtiums will improve the strength and flavour of nearby plants, and are particularly good under apple trees, and near radishes to deter aphids and other bugs.  I have planted some under my roses to check this out.  Aparently aphids also don’t like parsley and our grandmothers quite often planted some in and around the roses to keep the aphids away.

nasturtiums -pretty and useful

nasturtiums - pretty and useful

Rosemary can be sprinkled, fresh or dried, around plants to repel snails and slugs.  It grows well with sage, beans and carrots, but should not be grown near potatoes or tomatoes.Thyme should be planted in odd corners of the garden as it attracts bees and generally benefits plants nearby.  It also repels the cabbage worm, so is a useful companion for cabbages.


Our grandmothers would often keep a few Bay leaves in the flour as they prevent weevils from infesting.  If you place a few on shelves they will keep ants away, although some ants can be very determined.  The bay leaves can also be placed in books to protect them from silverfish.  In fact the whole tree is resistant to diseases and pests and will protect other plants in the area. 

Marigolds, as well as being cheerful plants, excrete chemicals from their roots which repel soil nematodes, and of course, grandmother would have never been without her Lavender plants which when used in sachets either on their own or in combination with other dried herbs keep moths and silverfish out of clothes as well as keeping them sweetly scented.

So, plants make good companions both for each other and for us.

Happy gardening!

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