Getting it to bloom

Why won't my Aponogeton distachyos bloom? (and how to make it flower)

Also called Cape Pondweed, Water Hawthorn, Waterblommetjie (Aponogeton distachyos).

More about aponogeton distachyos

About Aponogeton distachyos

Aponogeton distachyos · also called Cape Pondweed, Water Hawthorn · flowering

Aponogeton distachyos is a deep-water aquatic perennial grown for floating, oblong green leaves and forked spikes of waxy white flowers that smell strongly of vanilla or hawthorn. Unusually it flowers in cool weather, often through autumn and winter, when most pond plants are dormant. It grows from a tuber rooted in the pond floor in still or slow water.

Plant type: flowering

Watch for — Summer dormancy mistaken for death: In hot weather the plant often rests and loses leaves, which looks like failure. Leave the tuber undisturbed; it typically reshoots and flowers again as the water cools in autumn.

The reasons aponogeton distachyos isn't blooming

Almost every non-blooming aponogeton distachyos 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 aponogeton distachyos 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 aponogeton distachyos to flower

Maximise sun. Give aponogeton distachyos 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 aponogeton distachyos and get the feeding right with the aponogeton distachyos 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

Aponogeton distachyos 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 aponogeton distachyos care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Aponogeton distachyos blooming — frequently asked questions

Why won't my aponogeton distachyos flower?

Aponogeton distachyos 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 aponogeton distachyos bloom?

Give aponogeton distachyos 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 aponogeton distachyos normally bloom?