Getting it to bloom

Why won't my Purple Coneflower bloom? (and how to make it flower)

Also called Eastern purple coneflower, Echinacea (Echinacea purpurea).

More about purple coneflower

About Purple Coneflower

Echinacea purpurea · also called Eastern purple coneflower, Echinacea · flowering

Echinacea purpurea is a robust, clump-forming prairie perennial with large rosy-purple daisies and prominent coppery, cone-shaped centres from midsummer to autumn. Drought-tolerant and long-lived, it is a cornerstone of pollinator and prairie-style plantings, drawing bees and butterflies, while the seedheads feed finches and provide winter structure. Tough, upright and undemanding once established.

Plant type: flowering

Watch for — Aster yellows: A phytoplasma disease causing distorted, green or deformed flowers. There is no cure; remove and destroy affected plants and control leafhoppers that spread it.

The reasons purple coneflower isn't blooming

Almost every non-blooming purple coneflower 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 purple coneflower 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 purple coneflower to flower

Maximise sun. Give purple coneflower 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 purple coneflower and get the feeding right with the purple coneflower 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

Purple Coneflower 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 purple coneflower care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Purple Coneflower blooming — frequently asked questions

Why won't my purple coneflower flower?

Purple Coneflower 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 purple coneflower bloom?

Give purple coneflower 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 purple coneflower normally bloom?