Getting it to bloom

Why won't my Cushion Thrift bloom? (and how to make it flower)

Also called Cushion thrift, Juniper-leaved thrift, Spanish thrift (Armeria caespitosa).

More about cushion thrift

About Cushion Thrift

Armeria caespitosa · also called Cushion thrift, Juniper-leaved thrift · flowering

Armeria caespitosa (synonym Armeria juniperifolia) is a dwarf, cushion-forming evergreen perennial native to montane rocky habitats in Spain and Portugal. It produces dense mounds of stiff, needle-like leaves topped with small spherical heads of pale pink to rose flowers in late spring, and holds an RHS Award of Garden Merit. It thrives in poor, gritty, well-drained soil in full sun and is an outstanding choice for alpine troughs, rock crevices, and scree beds; rich or moist soils cause it to rot. Armeria is not listed as toxic by the ASPCA; considered non-toxic to dogs and cats.

Plant type: flowering

The reasons cushion thrift isn't blooming

Almost every non-blooming cushion thrift 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 cushion thrift 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 cushion thrift to flower

Maximise sun. Give cushion thrift 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 cushion thrift and get the feeding right with the cushion thrift 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

Cushion Thrift 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 cushion thrift care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Cushion Thrift blooming — frequently asked questions

Why won't my cushion thrift flower?

Cushion Thrift 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 cushion thrift bloom?

Give cushion thrift 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 cushion thrift normally bloom?