How to Sow and Plant Leafy Crops

Lush, leafy vegetables flourish in pots and their decorative colors and shapes add drama to both garden and plate.

From: DK Books - Fruits and Vegetables

Step 1: Raise Kale

Keep Caterpillars Off of Black Tuscan Kale

Keep Caterpillars Off of Black Tuscan Kale

©2012, Dorling Kindersley Limited

2012, Dorling Kindersley Limited

Black Tuscan kale is a large decorative form of kale with blistered dark leaves. Protect from caterpillars with netting when it is young.

One of the hardiest vegetables, kale leaves look beautiful and can be harvested throughout winter and early spring, when productive pots are in short supply. Seed is best sown from mid- to late spring in trays, and seedlings planted into final pots in early summer; young plants are also available at this time of year. Sow 3/4-inch deep and space young plants at least six inches apart in large containers. Kale has a long growing season, requires space to mature and needs a sunny situation to thrive. 

Aftercare and Harvesting

Water crops regularly, especially while young plants are becoming established, and watch out for cabbage white butterfly caterpillars from mid- to late summer. Pick the lowest leaves on the stems and plants will remain productive for many months. An occasional liquid feed with a nitrogen-rich fertilizer is beneficial, particularly in early spring. Also remove and compost any lower leaves that turn yellow and fall. 

Raise kale by sowing seed in trays and transplanting seedlings carefully into modules (known as “pricking out”). Or buy young plants and plant in their final pots.

Step 2: Raise Endive and Chicory

Forced Growth of Witloof Chicory in Spring

Forced Growth of Witloof Chicory in Spring

©2012, Dorling Kindersley Limited

2012, Dorling Kindersley Limited

To force Witloof chicory, cut back leaves to one and a half inches above the roots, exclude light with a pot, and set indoors. The blanched chicons will be ready in a few weeks.

Late spring to midsummer sowings of endive and chicory produce crisp leaves that add a bitter note to salads from midsummer until winter. Endive has relatively flat heads of curly leaves that can be blanched before harvest. Sow in trays and plant out 10 inches apart in a good-sized pot. Set in light shade during summer. 

Witloof chicory is forced to produce pale hearts of leaves, known as “chicons.” Sow in seed trays and then plant in deep pots, about eight inches apart, to allow the long roots to develop. Radicchio is a form of leafy chicory, and produces small hearts of red leaves. Sow seed thinly in a large pot and thin plants to six inches apart. 

Aftercare and Harvesting 

Keep both crops moist in summer. Blanch endive by covering the central leaves when they are dry with a plate. Leave for 12 days and cut the whole head. Harvest radicchio between summer and late fall, and blanch Witloof chicory in winter. 

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