Getting it to bloom

Why won't my David viburnum bloom? (and how to make it flower)

Also called David viburnum, David's viburnum (Viburnum davidii).

More about david viburnum

About David viburnum

Viburnum davidii · also called David viburnum, David's viburnum · flowering

David viburnum is a compact, evergreen shrub prized for its glossy, deeply veined leaves and clusters of white flowers in late spring. Female plants produce striking turquoise-blue drupes in autumn when a male pollinator is nearby. It thrives in part shade to full sun and suits low-maintenance borders in mild climates.

Plant type: flowering

The reasons david viburnum isn't blooming

Almost every non-blooming david viburnum 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 david viburnum 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 david viburnum to flower

Maximise sun. Give david viburnum 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 david viburnum and get the feeding right with the david viburnum 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

David viburnum 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 david viburnum care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

David viburnum blooming — frequently asked questions

Why won't my david viburnum flower?

David viburnum 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 david viburnum bloom?

Give david viburnum 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 david viburnum normally bloom?