Getting it to bloom

Why won't my Greater Sea Spurrey bloom? (and how to make it flower)

Also called Greater Sea Spurrey, Greater Sea-spurrey (Spergularia media).

More about greater sea spurrey

About Greater Sea Spurrey

Spergularia media · also called Greater Sea Spurrey, Greater Sea-spurrey · flowering

Spergularia media is a perennial or biennial halophyte native to the saltmarshes and rocky coastal margins of Europe, North Africa, and western Asia, occurring throughout the British coastline. It forms low, sprawling mats of fleshy, linear leaves and produces pale pink to white flowers with five petals that open fully in sun from June to September. The key care requirement is saline-tolerant, freely draining sandy or muddy coastal substrate; it will not persist in ordinary garden soil without a degree of salt. This species has no ASPCA toxicity listing; classified as mildly-toxic as a precaution.

Plant type: flowering

The reasons greater sea spurrey isn't blooming

Almost every non-blooming greater sea spurrey 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 greater sea spurrey 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 greater sea spurrey to flower

Maximise sun. Give greater sea spurrey 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 greater sea spurrey and get the feeding right with the greater sea spurrey 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

Greater Sea Spurrey 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 greater sea spurrey care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Greater Sea Spurrey blooming — frequently asked questions

Why won't my greater sea spurrey flower?

Greater Sea Spurrey 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 greater sea spurrey bloom?

Give greater sea spurrey 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 greater sea spurrey normally bloom?