Getting it to bloom

Why won't my Keteleeria davidiana bloom? (and how to make it flower)

Also called David's keteleeria, Chinese keteleeria (Keteleeria davidiana).

More about keteleeria davidiana

About Keteleeria davidiana

Keteleeria davidiana · also called David's keteleeria, Chinese keteleeria · flowering

Keteleeria davidiana is a rare, fir-like evergreen conifer from China, valued by collectors for its broad pyramidal crown, stiff flattened needles and large upright cones. A member of the pine family related to firs and Douglas-firs, it is moderately tender, preferring a warm, sheltered, sunny site on deep, well-drained acidic to neutral soil where it forms a handsome long-lived specimen.

Plant type: flowering

The reasons keteleeria davidiana isn't blooming

Almost every non-blooming keteleeria davidiana 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 keteleeria davidiana 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 keteleeria davidiana to flower

Maximise sun. Give keteleeria davidiana 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 keteleeria davidiana and get the feeding right with the keteleeria davidiana 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

Keteleeria davidiana 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 keteleeria davidiana care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Keteleeria davidiana blooming — frequently asked questions

Why won't my keteleeria davidiana flower?

Keteleeria davidiana 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 keteleeria davidiana bloom?

Give keteleeria davidiana 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 keteleeria davidiana normally bloom?