Repotting guide

When & how to repot Zantedeschia 'Captain Tendens' (Zantedeschia 'Captain Tendens')

Also called Captain Tendens calla lily, pink captain calla.

More about zantedeschia 'captain tendens'

About Zantedeschia 'Captain Tendens'

Zantedeschia 'Captain Tendens' · also called Captain Tendens calla lily, pink captain calla · flowering

Zantedeschia 'Captain Tendens' is a compact hybrid calla lily from the Captain series, prized for its rich rose-pink, funnel-shaped spathes held above glossy, often spotted green leaves. A tender tuberous perennial, it flowers through summer then dies back to a rhizome for a dry winter rest. It works beautifully in pots, borders and as a long-lasting cut flower.

Mature size: Typically 30-45 cm tall and around 30 cm wide, a tidy pot-friendly habit.

Watch for — Few or no flowers: Usually too little light or excess nitrogen. Give bright light and a potassium-rich feed to encourage spathes.

How to tell zantedeschia 'captain tendens' needs repotting

Repotting on a calendar is less reliable than reading the plant. For zantedeschia 'captain tendens', watch for these signs:

Flowering has tailed off year on year and the clump has become congested and overcrowded.
Lots of leaf and few flowers — a classic sign that zantedeschia 'captain tendens' bulbs or tubers need lifting and dividing.
Bulbs visibly bursting the pot or pushing each other to the surface.
It is the natural dormancy window (foliage yellowed and died back) — the only safe time to lift and split.

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 zantedeschia 'captain tendens'

Lift and divide every 3–4 years once clumps congest. Rather than a true repot, zantedeschia 'captain tendens' is lifted and divided once the clump congests and flowering drops off. Compact, clump-forming tuberous (rhizomatous) perennial; deciduous, dying back to a rhizome each winter and re-sprouting in spring..

What size pot to step zantedeschia 'captain tendens' up to

Pot size matters less than depth and spacing here. When you replant zantedeschia 'captain tendens', set the bulbs or tubers at the correct depth (a rough guide: two to three times their own height of soil over the top) and space them so they are not touching. A wide, shallow pot suits a clump better than a tall narrow one.

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 zantedeschia 'captain tendens'

The only safe window is dormancy: wait until the foliage has yellowed and died back naturally, lift and divide then, and replant before or at the start of the next growing season. Disturbing zantedeschia 'captain tendens' in full growth or flower sets it back badly.

Step-by-step: repotting zantedeschia 'captain tendens'

Wait for dormancy. Let zantedeschia 'captain tendens' foliage yellow and die back completely. Lifting while it is in growth wastes the energy it is storing for next year.
Lift carefully. Loosen the soil well away from the bulbs/tubers with a fork and ease the whole clump out without spearing them.
Separate the offsets. Gently pull the clump apart into individual bulbs or tubers. Keep only firm, healthy, blemish-free ones.
Replant at the right depth. Reset them in fresh rich, moisture-retentive but free-draining potting mix at the correct depth and spacing — not touching — so each has room to bulk up.
Water in and rest. Water once to settle them, then keep on the dry side until growth resumes. Do not feed until leaves are actively growing.

Aftercare

After replanting zantedeschia 'captain tendens', keep the soil barely moist — not wet — until shoots appear; bulbs and tubers rot in cold, saturated soil. Once leaves are growing strongly, resume normal watering. Hold off feeding until the plant is in active growth again.

The right soil mix for zantedeschia 'captain tendens'

Zantedeschia 'Captain Tendens' wants rich, moisture-retentive but free-draining potting mix. Use a fertile, humus-rich compost that holds moisture yet drains well; add grit or perlite to pots. These hybrid callas need steady moisture in growth but rot if the rhizome sits in cold, sodden soil. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting zantedeschia 'captain tendens' — frequently asked questions

How often should you repot zantedeschia 'captain tendens'?

Lift and divide every 3–4 years once clumps congest for zantedeschia 'captain tendens'. Zantedeschia 'Captain Tendens' is lifted and divided, not "repotted". Every 3–4 years, once the foliage has died back and it is dormant, lift the clump, separate the offsets, and replant at the correct depth in rich, moisture-retentive but free-draining potting mix. Crowding, not pot size, is what reduces flowering over time.

What size pot does zantedeschia 'captain tendens' need?

When is the best time of year to repot zantedeschia 'captain tendens'?

Do you "repot" zantedeschia 'captain tendens', or lift and divide it?

You lift and divide it. Zantedeschia 'Captain Tendens' grows from bulbs or tubers, so instead of repotting you wait for dormancy, lift the congested clump, separate the healthy offsets, and replant them at the right depth and spacing. Doing this every 3–4 years restores flowering.

Should you fertilise zantedeschia 'captain tendens' after repotting?

Hold off feeding zantedeschia 'captain tendens' until it is in active growth again. Fresh soil already carries enough nutrients to get it re-established, and feeding disturbed roots too soon does more harm than good.