Companion Planting

COMPANION PLANTING

Nowadays, most farms grow plants in a mono-crop system, with acres containing a single crop.  Even garden vegetable growers tend to plant multiples of a single crop in one place.  This makes it much easier for pests and diseases to find their favourite plants and spread through them, which is when people generally reach for chemical pesticides.  If we look at how Mother Nature manages things, we find a variety of plants in any one place, which makes it harder for pests and diseases to spread through – Mother Nature knows how to keep the balance. 

We can apply this lesson in our own gardens by utilising companion planting.  It works in several ways – strongly scented companion plants can confuse or deter pests looking for their favourite plant (for example garlic’s smell is unappealing to many pests), other companions attract pollinators and beneficial insects that pray on aphids etc. (for example, borage attracts pollinating bees and tiny pest-eating wasps). Some plants attract natural predators such as birds which eat slugs, or hoverflies which eat aphids, or entice bees which pollinate your crops.

Perhaps the best-known example of companion planting is the Native American Three Sisters method whereby maize, climbing beans and winter squash are planted together and help each other grow.  The tall maize provides a support for the climbing beans, while the low-growing squash shades the ground to prevent moisture loss and its big leaves keep down weeds and discourage pests.   Moreover, the beans are nitrogen fixers in the soil, which make nitrogen available to other plants. 

Companion planting supports plant diversity and that benefits the plants, the soil, the ecosystem, and the gardener, who doesn’t have to work so hard!

COMPANION PLANTS

CropCompanion Plants
AsparagusCalendula deters asparagus beetle
BrassicasNasturtiums attract cabbage white butterflies and stop them laying on your brassicas.  Mint deters flea beetles.
BeetsOnions deter borers, mites, slugs, cutworms and maggots
Courgette/zucchiniCalendula
Broad beansSummer savoury repels blackfly
CarrotOnion scents deter carrot flies – plant spring onions (scallions), leeks or chives nearby.  Sage repels carrot fly.
ChrysanthemumChives deter aphids
CucumberNasturtium repels cucumber beetles
LettuceGarlic and chives deter aphids.  Poached egg plants attract hoverflies which control aphids. 
Runner beans (climbing beans) and French beansNasturtium attracts aphids away from your crops.  Planting sweet peas nearby will attract pollinating insects and increase your crop yield. 
OnionMint deters onion fly.
PeasChives deter aphids.  Alyssum brings in pollinators and encourages green lacewings, which eat aphids.
PeppersBasil, oregano and marjoram. 
RadishMint deters flea beetles.
TomatoesMint or chives deter aphids, French marigolds deter whitefly.  Basil repels whiteflies, mosquitoes, spider mites and aphids.   Parsley attracts insects away from tomatoes.  Borageattracts pollinating bees and tiny pest-eating wasps. 
MelonDill, fennel and parsley attract pollinators
PotatoesTansy deters cut worm.  Cilantro (coriander) protects against aphids, spider mites and potato beetles.  Calendula, tansy, catmint and horseradish ward off Colorado potato beetles.
SunflowersChives deter aphids.
Swiss chardAlyssum attracts hoverflies, which control aphids.
RosesGarlic, mint, chives and thyme deter aphids


© Anna Franklin

Author: annafranklinblog

Anna Franklin is the High Priestess of the Hearth of Arianrhod, which runs teaching circles, a working coven, and the annual Mercian Gathering, a Pagan camp which raises money for charity. She regularly speaks at conferences, moots and workshops around the country. She is the author of many books on witchcraft and Paganism, including the popular Pagan Ways Tarot, Sacred Circle Tarot, The Fairy Ring, Herb Craft, Magical Incenses and Oils, Personal Power, A Romantic Guide to Handfasting, Familiars, The Oracle of the Goddess, Hearth Witch, The Path of the Shaman and The Hearth Witch’s Compendium. Anna’s books have been translated into nine languages.

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