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Want to give your soil some TLC? Plant cover crops in your garden and you’ll improve your yields.

Just the other day, I discovered a partially finished bottle of Lucozade left behind in the euphorbia trough by one of the scaffolders. An architect friend commented, “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 sprouting in the back corner.

This week, though, some necessary firefighting 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, but keeping desirable plants. Then, in the open patches, I’ll be sowing green manure.

Green manure are superheroes when it comes to boosting soil quality.

My gardening friend Claire has previously discussed green manure, as they play a key role in seasonal planting for edible gardens. But, the only things I’m harvesting from my garden right now are a few foraged apples and some hardy herbs.

My garden goals are modest and consistent – and enhancing soil health is my main priority. For those wondering, the scaffolding is for roof repairs, and the fences are still wobbly, but the neighbours agree with the plan.

Cover crops are like superheroes for soil health. Bare soil invites weeds, which is why unwanted plants pop up. Yet by sowing vigorous crops, you can suppress weeds, attract pollinators, host pest-eating creatures, and enrich the soil with nutrients.

Cover crops aren’t always showy – though some, like certain lupin varieties and a flowering legume, have pretty flowers – but their purpose is to grow vigorously rather than look decorative. After they’ve grown, you can turn them under, cut them for compost, or let them decompose for earthworms to incorporate. Their work happens underground.

Autumn is perfect for sowing these overwintering crops. My selection includes rye grass, great for clay soil, a nitrogen-lifter, vetch, and field beans.

It feels rewarding in sowing something knowing it’s temporary – at least above ground.

About the author

Dustin Johnston

A tech journalist and digital strategist with over a decade of experience covering emerging technologies and their impact on society.

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