Getting it to bloom

Why won't my Red Feather Clover bloom? (and how to make it flower)

Also called Red Feather Clover, Ruddy Clover, Ornamental Clover (Trifolium rubens).

More about red feather clover

About Red Feather Clover

Trifolium rubens · also called Red Feather Clover, Ruddy Clover · flowering

Trifolium rubens is a clump-forming herbaceous perennial native to central and southern Europe, prized in ornamental gardens for its tall, cylindrical spikes of deep crimson-purple flowers that appear from late spring to late summer. It thrives in full sun to light shade in well-drained, poor to moderately fertile soil, and is notably drought-tolerant once established. The most important care fact is that winter waterlogging is the primary killer — sharp drainage is essential to maintain longevity. Red Feather Clover is considered non-toxic to cats and dogs.

Plant type: flowering

The reasons red feather clover isn't blooming

Almost every non-blooming red feather clover 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 red feather clover 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 red feather clover to flower

Maximise sun. Give red feather clover 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 red feather clover and get the feeding right with the red feather clover 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

Red Feather Clover 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 red feather clover care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Red Feather Clover blooming — frequently asked questions

Why won't my red feather clover flower?

Red Feather Clover 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 red feather clover bloom?

Give red feather clover 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 red feather clover normally bloom?