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Gardeners World blog

Companion plants

Posted in Plants by Adam Pasco at 10:04 am on Monday 25 May 2009 12 Comments

Limnanthes (poached egg plant) and chivesIs it only the more experienced who can really be successful organic gardeners? Well, it’s certainly true that the more you know about gardening the more practical experience you have behind you to learn from, and that helps you take steps to avoid problems actually occurring rather than having to deal with them when they arrive.

But with such a wealth of good gardening advice now available from web sites and magazines, books, television, and even gardening events like Gardeners’ World Live, hard-earned experience is now widely shared so those new to gardening can avoid pitfalls and be almost guaranteed success.

Of course nothing beats personal experience, and that’s the fun of gardening. The more things you grow, and the greater your experience, the more you have to talk about and share with others. That’s why it’s great that so many people take the opportunity to share their thoughts and ideas with others by posting comments on these blogs.

The more you garden the better a gardener you become – trying new things, growing new plants, and of course experience problems that you can learn from. After all, no two years are alike are they? When I first started getting interested in gardening organically I read a great deal about companion planting, and always keep this in mind when developing my veg plot. Put simply, companion plants are any plants that provide a benefit to their neighbours.

Broadly speaking this could include providing shelter from strong winds, support to help them climb, or shade from harsh sun. Organic gardeners usually refer to companion plants as those deterring pests in some way. Tagetes planted alongside tomatoes and crops is a good example, where the strong pungent scent of the tagetes foliage helps mask the scent of the crop from pests that search out their desired food crop by smell.

Many years ago I sowed these cheerful poached egg plants (Limnanthes douglasii) along the base of my path, under the fan-trained fruit trees. As flowers open through May, in partnership with chives, they’ll provide welcome pollen to adult hoverflies. My hope is that hoverflies are attracted to my garden to breed, laying their eggs on surrounding fruit trees and crops. Eggs hatch into larvae with a good appetite for eating aphids and pests, so keeping pests under control without me needing to do a thing … apart from enjoying these charming little flowers.

When flowering is over I let this hardy annual die down naturally, releasing seed back onto the soil where it will germinate to form plants that will flower next year. And so the cycle continues. All I had to do, many years ago now, was sow the poached egg plants in the first place. And I pass on this ‘tried and tested’ advice in the hope that others will sow and grow this cheap and cheerful annual, and keep pests at bay in the bargain.

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Comments

  1. Posted by Vida at 10:44 pm on Monday 25 May 2009

    Dear Adam,
    I am a beginner and just started to plant in my new raised bed, which made this year for planting vegetables. I enjoyed reading your advise on companion plants. I will definitely try the Poached egg plant. That would be great if I could grow without using chemicals. Thank you very much.

  2. Posted by Mary at 10:12 am on Tuesday 26 May 2009

    Comfrey is also very good for early nectar. Even the allegedly less invasive types have good early flowers. Another hardy annual I let seed everywhere is love in a mist which comes back year after year. Ground lilac also is good source of nectar for butterflies and bees.

  3. Posted by Denise at 2:30 pm on Tuesday 26 May 2009

    I am a absolute beginner at growing any kind of anything, my mum recently gave me some iceberg lettace to plant up, they were doing really well but now I notice the bottom leaves are going really soft and when I lifted them found little worms I have removed the leaves with the little blighters but is there anything else I should be doing.

  4. Posted by happymarion at 8:25 am on Wednesday 27 May 2009

    The poached egg plant also keeps down the weeds. I have great swathes of it in my garden and even bindweed can be defeated if you cover the ground with this very beautiful and very prolific annual.

  5. Posted by Grannyanne at 8:28 pm on Thursday 28 May 2009

    I keep meaning to sow this and haven’t done so yet, but have lots of other flowers on the allotment: foxgloves, comfrey, wallflowers, alliums. One thing I find very helpful is keeping a gardening diary. Although, as you say, each year is different, it can be useful to look back and see what did well (or not so well).

  6. Posted by Josephine from Wilts at 7:05 am on Friday 29 May 2009

    I have always grown French Marigolds and Poached Egg Plants as companions but 3years ago I bought a new favourite at a car boot sale. It is Nicandra, also called “Shoo Fly” and it really works! Planted in the greenhouse with my tomato plants it can grow very tall if I let it or keep it in a pot. Either way I have had no white fly etc on tomatoes or peppers and bonus is a pretty violet blue flower.

  7. Posted by Lindyloo at 2:06 pm on Friday 29 May 2009

    Adam, stick to editing. What is a tagetes? All these latin names! It took me a google to discover you mean MARIGOLDS.

  8. Posted by Adam Pasco at 2:25 pm on Friday 29 May 2009

    Reply to Lindyloo: The reason I used the name tagetes is that several plants can be called ‘marigold’. Which one do you mean?

    I make no excuse for using the name Tagetes, which is the French Marigold, with pungent foliage. Calendula is the Pot Marigold. Then there are African Marigolds.

    By using the name Tagetes there really is no confusion. By using the name Marigold there is.

    Sorry if this appears unhelpful, and that using Latin names can appear very formal, but plants only have one Latin name but can share many common ones.

  9. Posted by Judy from Nuthall at 8:58 am on Monday 1 June 2009

    Are conifer clippings good for mulching around peas?

  10. Posted by planterlady at 7:15 pm on Monday 1 June 2009

    Thanks for the great tips – always learning something new in gardening eh!

  11. Posted by Jude at 9:00 pm on Wednesday 3 June 2009

    Denise
    Hard to tell without seeing the little worms but they could be nematodes or caterpillars. I’d suggest you keep checking and remove any little critters you find. Look out especially for slugs – they love lettuce. But most of all, please don’t get discouraged and don’t give up. Welcome to the world of gardeners

  12. Posted by kerys welsh at 12:30 pm on Saturday 6 June 2009

    Hi I pinched a dead flower head off a poached egg plant the other day (naughty I know) I have put it in a jar on the window sill to dry. Will I get seeds from this to sow? There are what I believe to be little seeds showing, will I be able to get my own little poached egg plant as I love them so very much? K

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