Repotting guide

When & how to repot Belgian Endive (Witloof) (Cichorium intybus var. foliosum 'Witloof')

Also called Belgian endive, witloof chicory, chicon.

More about belgian endive (witloof)

About Belgian Endive (Witloof)

Cichorium intybus var. foliosum 'Witloof' · also called Belgian endive, witloof chicory · edible

Belgian endive, or witloof, is a two-stage chicory: leafy plants are grown all summer to build a fat taproot, then lifted and forced in darkness to produce pale, tightly furled 'chicons'. Forcing without light keeps the leaves blanched, crisp and only gently bitter. A classic cool-season project for autumn and winter.

Mature size: Field rosette to 30 cm; chicons 12-18 cm long

Watch for — Forked or fanged roots: Stony, recently manured or shallow soil splits the taproot, ruining it for forcing. Grow in deep, loose, stone-free ground and avoid fresh manure before sowing.

How to tell belgian endive (witloof) needs repotting

Repotting on a calendar is less reliable than reading the plant. For belgian endive (witloof), watch for these signs:

Roots circling the bottom of the module or pot, or poking out of the drainage holes.
The seedling dries out within a day and growth has visibly stalled.
Roots are white and matted in a tight spiral when you tip the plant out.
It has outgrown its current container for the stage of the season — pot belgian endive (witloof) on before it becomes hard root-bound.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot belgian endive (witloof)

Pot on seedlings as they grow; not a perennial repot. Belgian Endive (Witloof)is grown for one season, so the question is really “how often to pot on” — keep moving it up before the roots circle. First year forms an open rosette over a long fleshy taproot; when the trimmed root is forced in darkness it pushes a tight, conical blanched bud (the chicon) from the crown..

What size pot to step belgian endive (witloof) up to

Pot belgian endive (witloof) on gradually — a seedling jumped straight into a huge pot sits in cold, wet, airless soil and stalls. Step up one or two sizes at a time as the roots fill each container, finishing in a large final pot or the ground. The aim is roots that never circle and never check.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot belgian endive (witloof)

Pot belgian endive (witloof) on through the active growing season, whenever roots fill the current container — there is no single date, just "before it becomes root-bound". Avoid potting on during a cold snap.

Step-by-step: repotting belgian endive (witloof)

Pot on before it is root-bound. Check belgian endive (witloof) regularly; move it up as soon as roots reach the edge of the cell or pot, not after they have circled.
Step up one or two sizes. Choose the next container up — not a giant one. Cold, wet, unused soil around a small root system stalls seedlings.
Knock it out gently. Support the stem, tip the pot, and ease the rootball out without breaking it. A little teasing of circled roots at the base is fine.
Pot into rich mix. Set it into fresh deep, light, stone-free loam, ph 6.0-6.8 at the same depth (tomatoes are the exception — they can go deeper to root along the stem).
Water in and grow on. Water well, keep it in good light, and resume feeding once it is established and growing again.

Aftercare

Water belgian endive (witloof) in well and keep it in bright light; a freshly potted-on seedling can wilt for a day while roots settle, so do not overcompensate by drowning it. Do not fertilise for about 1 week — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for belgian endive (witloof)

Belgian Endive (Witloof) wants deep, light, stone-free loam, ph 6.0-6.8. A deep, loose, moderately fertile soil produces the long, unforked taproots needed for forcing. Avoid freshly manured or stony ground, which causes forked, fanged roots that produce poor chicons. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting belgian endive (witloof) — frequently asked questions

How often should you repot belgian endive (witloof)?

Pot on seedlings as they grow; not a perennial repot for belgian endive (witloof). Belgian Endive (Witloof) is a seasonal crop, so you pot it on as a growing plant rather than repotting a perennial. Step seedlings up gradually into deep, light, stone-free loam, ph 6.0-6.8 so the roots never circle the cell, ending in a large final container. A root-bound transplant stalls and never fully recovers.

What size pot does belgian endive (witloof) need?

When is the best time of year to repot belgian endive (witloof)?

Can you put belgian endive (witloof) straight into a much bigger pot?

No. Even a fast-growing belgian endive (witloof) should only go up one pot size at a time. A vastly oversized pot holds a reservoir of wet soil the roots cannot reach, which stays cold and soggy and rots the roots — the opposite of what you wanted.

Should you fertilise belgian endive (witloof) after repotting?

Not immediately. Wait about 1 week after repotting belgian endive (witloof). Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.