Sorrel grown in a greenhouse will give you leaves to harvest earlier in the year, but the plants will bolt much sooner in the summer. The flowers that shoot up need to be removed – sorrel already has a reputation for being a prolific self-seeder, and this happens even more in a greenhouse. Leave the flowers on and your sorrel will soon take over all of your greenhouse beds, becoming more of a weed than a useful plant. Sorrel doesn’t need much preparation. Simply give the leaves a wash under running water, using your fingers to dislodge any stubborn bits of dirt, and they’re ready to be used. Sorrel is fairly resilient to most pests and diseases, and will only really be affected by these very familiar creatures… Slugs and snails Sorrel does best in areas that receive full sun, although it will grow quite happily in partial shade too.

Common sorrel | The Wildlife Trusts Common sorrel | The Wildlife Trusts

R. acetosa was believed to be a ‘cooling’ herb and helpful for swellings and inflammatory conditions. The plant was used to treat fevers, skin tumours, jaundice, and internal ulcers. This isn’t something to worry about, unless you suffer from inflammatory bowel disease or are prone to kidney stones. Even then, the younger leaves have a much lower oxalic acid content than older leaves, so can still be safe in moderation. Speak to your doctor if you have any concerns. Common Sorrel Problems We have a great guide for combating these troublesome pests. Apply SlugClear™ Slug & Snail Barrier to newly planted sorrel as the young leaves are especially vulnerable. Aphids Many varieties of sorrel contain oxalic acid, which can be poisonous if eaten regularly and in quantity, so don’t eat them every day. Storing sorrel Red veined sorrel ( Rumex sanguineus). Probably the most attractive variety of Sorrel, this one is as delicious as the others, but is also quite beautiful. The contrast of the green leaves and deep red leaf veins catches the eye in both the garden and in a large bowl of lettuce.

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Red-veined sorrel –the vivid red veining that marks these lush green leaves make this variety highly ornamental, in addition to being edible. The leaves also have quite a mild flavour If you’re planning on using your sorrel as a herb, then one or two plants is all that your garden needs. However, if you want to make the most of its zesty zing and use it throughout the spring and summer as a main salad ingredient and as a spinach replacement, aim to grow three to four sorrel plants per person. Growing Requirements for Sorrel

How to grow Sorrel | Love The Garden

In a single small bed it may be possible to remove all the soil to a depth of several inches, bringing in fresh replacement soil

First, consider whether control can be achieved using non-chemical means such as digging out or suppressing with mulch.

Sorrel | RHS Herbs How to grow Sorrel | RHS Herbs

Sorrel does best when kept well-watered. If the soil runs too dry, your plants will likely bolt early, which turns the leaves tough and bitter. Sorrel contains very high amounts of oxalic acid. This is a natural compound that’s also found in other leafy greens, such as spinach and kale, and is what gives the leaves their signature sourness.

Caring for sorrel

Although sorrel can be successfully grown in a greenhouse, it is ultimately a cool-weather crop, meaning that your planting and harvesting times will be different than when growing it outdoors.