Getting it to bloom

Why won't my Zantedeschia 'Captain Violetta' bloom? (and how to make it flower)

Also called Captain Violetta calla lily, purple captain calla (Zantedeschia 'Captain Violetta').

More about zantedeschia 'captain violetta'

About Zantedeschia 'Captain Violetta'

Zantedeschia 'Captain Violetta' · also called Captain Violetta calla lily, purple captain calla · flowering

Zantedeschia 'Captain Violetta' is a compact hybrid calla lily prized for deep violet-purple spathes held above lance-shaped, often white-flecked foliage. Grown from rhizomes, it flowers in summer indoors or in patio pots. Give bright indirect light, evenly moist but never waterlogged soil, and a dry winter dormancy. It reaches roughly 40-50 cm.

Plant type: flowering

Watch for — All leaves, few flowers: Too little light or too much nitrogen. Move to brighter indirect light and switch to a high-potassium feed.

The reasons zantedeschia 'captain violetta' isn't blooming

Almost every non-blooming zantedeschia 'captain violetta' traces back to one of these, roughly in order of how common they are:

Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.
Too much nitrogen feed, driving lush foliage at the expense of flowers (very common with general or lawn feeds).
The plant has not been deadheaded, so it stops flowering once it sets seed.
Irregular watering — drought or waterlogging at the budding stage makes buds abort.
It is still too young or was checked by a transplant and is rebuilding before flowering.

Feeding zantedeschia 'captain violetta' a high-nitrogen general feed and growing it in too little sun — you get a big leafy plant and almost no flowers.

The fix — how to get zantedeschia 'captain violetta' to flower

Maximise sun. Give zantedeschia 'captain violetta' the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers.
Switch the feed. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.
Deadhead regularly. Remove spent flowers often to keep it producing more rather than stopping to set seed.
Water consistently. Keep moisture even through budding and flowering — drought-then-flood swings make buds drop.

Light and feeding do most of the heavy lifting here. Dial in the spot with the light guide for zantedeschia 'captain violetta' and get the feeding right with the zantedeschia 'captain violetta' fertilising schedule — the wrong feed (too much nitrogen) is one of the most common silent reasons a healthy plant makes leaves instead of flowers.

Bloom season and what to expect

Zantedeschia 'Captain Violetta' flowers across its growing season (mostly summer) and, kept fed and deadheaded, can bloom for many weeks or right up to frost.

Post-bloom care so it flowers again

Deadhead, keep feeding lightly, and many will rebloom; collect seed from the best plants at the end of the season if you want to grow them again.

For everything else this plant needs day to day, see the full zantedeschia 'captain violetta' care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Zantedeschia 'Captain Violetta' blooming — frequently asked questions

Why won't my zantedeschia 'captain violetta' flower?

Zantedeschia 'Captain Violetta' blooms on the season's growth given enough sun, warmth and the right feed — there is no cold or photoperiod trick, just good growing conditions and a bloom-leaning feed. The most common reason it is not happening: Too little sun — most of these need full sun (or very bright light) to flower well; shade gives leaves, not blooms.

How do I make zantedeschia 'captain violetta' bloom?

Give zantedeschia 'captain violetta' the sunniest spot you have — for most bedding and fruiting plants, more direct light directly means more flowers. Move off high-nitrogen feeds and use a higher-potassium "bloom" or tomato-type feed as it comes into flower.

When does zantedeschia 'captain violetta' normally bloom?