The Radicchio

Cichorium intybus


Summer species form red or green heads until winter. We must not sow them before June. Otherwise, they will bloom. The wintering species form the heads in early spring. Trieste sugar is to be sown in early spring. We eat new leaves. It already manages above 5 ° C, the optimal temperatures for growth and development turn around 18 ° C.


Summer radicchio: between the rows at least 40 cm, among the plants in a row at least 40 cm. Radicchio that winters: between the rows at least 40 cm, between the plants in a row at least 10 cm.


With sunny skies.


At least five plants per person.

Date of sowing

Otherwise. Triste sugar in late April, summer varieties in June, varieties in June and July. It sprouts around 14 days.


With home compote. We can grow it on the flowerbed fertilized with manure for the previous plant. Nettles and comfrey can be used as mulch and at the same time, serve as fertilizer.


It is necessary to water them regularly so that even the radicchio is less bitter. Mulch is also useful because the leaves do not touch the damp earth. We do not need water on the leaves.

Good neighbors

lettuce, carrot, beans, tomato, basil, sweet corn, savory, dill

Bad neighbors

pepper, parsley, endive

Diseases and pests

Lice of the roots, larvae of elaterids, vole, erysipelas, bacterial rot, a nematode of the roots


We cut according to the needs, withstands up to -8 ° C. First of all, we stock the “sweetened” radicchio. We clean the roots of plants (not with water), we wrap them in newspapers and hang them with their roots upward.


It has characteristics similar to other lettuces, but we can cook it and cook it. It contains many vitamins, minerals, and fibers.


We must distinguish between the varieties that winter and the summer varieties because fertilization stands out. The wintering varieties can also be cut in summer. If we sow too early, many plants will bloom. If it’s too hot, we plant on a permanent place and don’t transplant. We are careful to thin the plants in time.

Special features

  • It is the closest relative to the endive.
  • It is an excellent compost material and a natural mulch for other plants.

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