Ketchup with Nduja (270g) | KEJA Tomato Sauce with Calabrian Nduja | Natural Product | Provided in Bottle with Dispenser - by Moretti®

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Keep plants fully covered with fine-mesh netting to protect them from cabbage butterflies and pigeons. Covering the crop with fine-mesh netting, supported on a framework, will keep several pests at bay, including cabbage caterpillars and pigeons.

Packed with seasonal flavours, our hand stretched classic tomato base is topped with slices of roasted aubergine, creamy Burrata and sun-dried tomatoes. Gardeners can add nutrients by applying fertilisers (either artificial or naturally derived) to boost plant growth and improve flowering and fruiting. Larger varieties and those in exposed sites should be given additional support – insert a sturdy cane and tie in the main stem to hold it secure. If you sow several small batches a few weeks apart, you can spread out your harvests and avoid gluts.Sowings after mid-spring are best made in their final position, as calabrese doesn’t transplant well in warm weather. The three key plant nutrients usually derived from soil are nitrogen, phosphorus and potassium, while carbon, oxygen and hydrogen are absorbed from the air.

Calabrese seeds are widely available from garden centres and online gardening retailers (although, confusingly, they are sometimes sold as broccoli). After you harvest the main head, further small heads will develop on side-shoots, which can be picked regularly over the following weeks. Once the main head starts to form, calabrese plants can become top-heavy, so pile soil up around the base of the stem to improve stability. Calabrese and broccoli are two different crops, but they are often muddled up, with both plants widely referred to as broccoli.Growing calabrese from seedFrom February to April, you can start calabrese seeds off in a greenhouse or on a windowsill. Broccoli plants (also known as sprouting broccoli) produce much smaller clusters of purple or white buds on the tips of leafy stems. Young calabrese plants may also be available in spring from similar sources, but the choice of varieties may be very limited.