CropsAsparagus › Stewart's Purple

Stewart's Purple
Asparagus in the UK

Another lovely purple heritage variety, Stewart's Purple is extra sweet and particularly good if you fancy eating some raw. It's a real treat and a bit of a talking point on the plate.

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Sow window for Asparagus generally.

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How to grow it

You don't usually sow asparagus from seed straight off, because it takes ages, like two years before you get owt. Most folks, myself included, buy one-year-old crowns in spring, usually March or April up here. You want to dig a trench about 20-25 cm deep, make a little mound of soil in the middle, and spread the roots of your crown over it. Space 'em about 30-45 cm apart, then cover 'em gently. It's a bit of a job but it's worth it for the long run.

Once those crowns are in, the main thing is patience, to be honest. You'll see ferny growth appearing, and that's what you want. No harvesting for the first two years, you hear? It feels wrong, I know, but you need to let those plants establish a proper root system. Keep the bed weed-free around them, and they'll grow into big, ferny plants ready for future harvests. Think of it as an investment.

Full Asparagus guide →

More Asparagus varieties

Track your Asparagus from packet to plate

Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.

Tony C Smith
Tony C Smith

Allotment keeper in the North East of England, the voice behind the Tony C Smith YouTube channel, and the gardener who built GrowMore CookMore. Club numbers on this page update as members log their plots. Last updated 3 September 2026.