Getting it to bloom

Why won't my Lesser Silver Saxifrage bloom? (and how to make it flower)

Also called Lesser silver saxifrage, Spoon-leaved saxifrage, Cochlearis saxifrage (Saxifraga cochlearis).

More about lesser silver saxifrage

About Lesser Silver Saxifrage

Saxifraga cochlearis · also called Lesser silver saxifrage, Spoon-leaved saxifrage · flowering

Saxifraga cochlearis is a compact, cushion-forming evergreen alpine perennial endemic to the Maritime Alps of south-eastern France and north-western Italy, where it inhabits limestone cliffs and scree slopes. It produces dense mounds of small, spoon-shaped, silver lime-encrusted leaves and bears slender 15–20 cm stems carrying loose sprays of white flowers in early summer. Perfect drainage and a sunny, alkaline site are non-negotiable — the plant will not tolerate winter wet around the crown. The genus Saxifraga is not known to be toxic to cats or dogs.

Plant type: flowering

The reasons lesser silver saxifrage isn't blooming

Almost every non-blooming lesser silver saxifrage 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 lesser silver saxifrage 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 lesser silver saxifrage to flower

Maximise sun. Give lesser silver saxifrage 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 lesser silver saxifrage and get the feeding right with the lesser silver saxifrage 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

Lesser Silver Saxifrage 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 lesser silver saxifrage care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Lesser Silver Saxifrage blooming — frequently asked questions

Why won't my lesser silver saxifrage flower?

Lesser Silver Saxifrage 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 lesser silver saxifrage bloom?

Give lesser silver saxifrage 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 lesser silver saxifrage normally bloom?