Getting it to bloom

Why won't my Bicolor St Dabeoc's heath bloom? (and how to make it flower)

Also called Bicolor St Dabeoc's heath, Bicolor Irish heath (Daboecia cantabrica 'Bicolor').

More about bicolor st dabeoc's heath

About Bicolor St Dabeoc's heath

Daboecia cantabrica 'Bicolor' · also called Bicolor St Dabeoc's heath, Bicolor Irish heath · flowering

A striking cultivar of St Dabeoc's heath, notable for producing white, pink, and striped flowers simultaneously on the same plant — and occasionally individual bicolored blooms on a single stem. Flowers from early summer to autumn. Requires acidic, free-draining soil and full sun. A garden curiosity and RHS-recognized variety.

Plant type: flowering

Watch for — Reversion to single flower colour: Some stems may revert to producing only white or only pink flowers. Remove any plain-coloured reverted shoots at the base promptly to maintain the bicolor character of the cultivar.

The reasons bicolor st dabeoc's heath isn't blooming

Almost every non-blooming bicolor st dabeoc's heath 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 bicolor st dabeoc's heath 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 bicolor st dabeoc's heath to flower

Maximise sun. Give bicolor st dabeoc's heath 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 bicolor st dabeoc's heath and get the feeding right with the bicolor st dabeoc's heath 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

Bicolor St Dabeoc's heath 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 bicolor st dabeoc's heath care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Bicolor St Dabeoc's heath blooming — frequently asked questions

Why won't my bicolor st dabeoc's heath flower?

Bicolor St Dabeoc's heath 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 bicolor st dabeoc's heath bloom?

Give bicolor st dabeoc's heath 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 bicolor st dabeoc's heath normally bloom?