Companion Planting

Exploring which plants are beneficial to each other when planted together and which plants are best kept apart.

Members: 262
Latest Activity: Jan 31, 2019

Discussion Forum

Companion Planting in practice 4 Replies

Started by Vicki Hill. Last reply by Skye Sloper Dec 8, 2014.

Tomatoes and friends 17 Replies

Started by Rex Morris. Last reply by Rachel Rose Jul 12, 2011.

Companion plant to crop ratios / equations? Do they exist? 2 Replies

Started by Steph Clout. Last reply by Steph Clout Jun 22, 2011.

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Comment by Angie Gibbons on September 2, 2009 at 10:43am

I have been trying to use -

My question is when they say "avoid" how far away is ok? I have a very small garden and space is in short supply so is it a foot, two feet etc?
Comment by Kali on September 2, 2009 at 10:10am
HI Isabell, I will try the borage and strawberries one !
Comment by Danny on August 30, 2009 at 7:29pm
I'm reasonably new to gardening but came across a website recently which I've learnt an awful lot from: It's been really helpful for information about companion planting.
Comment by Pete Russell on August 27, 2009 at 3:04am
I came across this info on the BBC Garden website.

About companion planting

Creating plant communities for mutual benefit is an old gardening tradition. Companion planting isn't just about pest control. By combining plants carefully, plants can help each other in terms of providing nutrients in the soil, offering protection from wind or sun and also, by attracting beneficial pests or acting as a decoy for harmful ones.

Plant combinations

* Grow French marigolds among tomatoes. Marigolds emit a strong odour that will repel greenfly and blackfly.
* Grow sage with carrots or plants in the cabbage family to ward off pests. Both have strong scents that drive away each other's pests.
* Plant nasturtium with cabbages - they're a magnet for caterpillars that will then leave the cabbages alone.
* Garlic planted among roses will ward off aphids.
* Plant carrots and leeks together on the allotment or vegetable patch to protect against a number of pests. Leeks repel carrot fly and carrots repel onion fly and leek moth.

Make sure companion plants are planted at the same time as your edible crops to prevent pests from getting a foothold.

Ten plants to try

* Asparagus - prevents microscopic nematodes from attacking the roots of tomatoes
* Chervil - keeps aphids off lettuce
* Chives - onion scent wards off aphids from chrysanthemums, sunflowers and tomatoes
* Coriander - helps to repel aphids
* Dill - attracts aphid eating beneficial insects likes hoverflies and predatory wasps
* Garlic - deters aphids and is particularly good planted with roses
* Tansy - strongly scented plant deters ants
* Plants in the pea family - lupins, peas, beans and sweet peas benefit the soil by taking nitrogen from the air and storing it in their roots
* Yarrow - this boosts vigour in other plants and accumulates phosphorous, calcium and silica, which can benefit homemade compost when plants are added to the heap. It attracts many beneficial creatures such as hoverflies and ladybirds
Comment by Isabell Strange on August 25, 2009 at 8:32pm
I have tried (as recommended) planting borage with my strawberries and it does make them sweeter and tastier and if your strawberries are not covered does also shield them from birds.

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