Getting it to bloom

Why won't my Showy Japanese Lily bloom? (and how to make it flower)

Also called Showy Japanese Lily, Japanese Lily, Banded Lily (Lilium speciosum).

More about showy japanese lily

About Showy Japanese Lily

Lilium speciosum · also called Showy Japanese Lily, Japanese Lily · flowering

Showy Japanese Lily produces elegant, strongly fragrant flowers in late summer to autumn with recurved white or deep-pink petals heavily spotted in crimson and distinctive raised papillae. Native to Japan, Korea, and China, it flowers later than most lilies, extending the season. Requires acid, sharply drained soil. Severely toxic to cats.

Plant type: flowering

Watch for — Late-season Botrytis: Flowering into autumn coincides with wetter, cooler conditions that favour grey mould. Remove spent flowers promptly, improve spacing for airflow, and apply a copper fungicide preventatively in damp autumns.

The reasons showy japanese lily isn't blooming

Almost every non-blooming showy japanese lily 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 showy japanese lily 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 showy japanese lily to flower

Maximise sun. Give showy japanese lily 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 showy japanese lily and get the feeding right with the showy japanese lily 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

Showy Japanese Lily 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 showy japanese lily care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Showy Japanese Lily blooming — frequently asked questions

Why won't my showy japanese lily flower?

Showy Japanese Lily 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 showy japanese lily bloom?

Give showy japanese lily 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 showy japanese lily normally bloom?