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Want to give your soil some TLC? Sow green manure in your garden and you’ll improve your yields.

I recently found a partially finished bottle of Lucozade placed in the euphorbia trough by one of the scaffolders. An architect friend joked, “Are you sure that’s Lucozade?” which made me see it differently.

In short, the garden is in disarray. But there’s a lot to be said for negligence; after returning from holiday, I spotted a sunflower growing in the back corner.

Now, however, some urgent tidying is underway. Being six months pregnant, I’ve hired a professional gardener to remove troublesome weeds like green alkanet and robinia saplings from the neighbour’s tree, while leaving the good stuff. Then, in the open patches, I’ll be sowing green manure.

Cover crops act like heroes when it comes to improving soil health.

A fellow garden writer has previously discussed green manure, as they are essential in crop rotation for edible gardens. However, the only things I’m harvesting from my garden right now are a few scrumped apples and some woody herbs.

My garden goals are simple and steady – and improving the soil is top of the list. For those wondering, the scaffold is for roof repairs, and the garden boundaries are still wobbly, but the neighbours agree with replacing them.

Cover crops are like superheroes for soil health. Soil likes to be covered, which is why unwanted plants pop up. Yet by sowing vigorous crops, you can suppress weeds, bring in bees, host pest-eating creatures, and fix nitrogen.

Green manure plants aren’t always showy – though some, like lupins ‘Blue Sonet’ and a flowering legume, have lovely blooms – but their role is to grow vigorously rather than be admired. After they’ve grown, you can dig them into the soil, cut them for compost, or leave them on the surface for earthworms to incorporate. The real magic happens below the surface.

Now is the ideal time for sowing these overwintering crops. I’ve chosen rye grass, which breaks up heavy earth, a nitrogen-lifter, a weed-suppressor, and field beans.

It feels rewarding in planting seeds knowing it’s temporary – at least above ground.

Written by

Virginia Lee

A tech journalist with a passion for exploring emerging technologies and their impact on society, based in San Francisco.

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