This superb variety is the latest maturing Calabrese with good frost tolerance to extend the cropping period well into autumn. Broccoli 'Spiridon' produces large, domed, central heads weighing up to 500g (17oz), followed by smaller sideshoots. These erect plants have an open habit to allow good air circulation and minimise the risk of disease. Height: 45cm (18"). Spread: 40cm (16").
Sow broccoli seeds in a well-prepared seed bed from March to June at a depth of 13mm (½") and spaced 30cm (12") apart. Transplant to their final positions around 5 weeks later when the seedlings have four or five leaves.
When growing calabrese, choose a sheltered position in firm, rich fertile, well drained soil in full sun. Prepare the soil in early spring by adding plenty of well rotted farmyard manure to the soil to improve its structure and fertility. Take care when transplanting Calabrese as it resents root disturbance. Plant calabrese at a distance of 22cm (9") apart, and cover with a protective netting or fleece to prevent attack from birds and insects. Water the plants thoroughly after planting.
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