Getting it to bloom

Why won't my Dahlia 'Karma Choc' bloom? (and how to make it flower)

Also called Karma Choc dahlia, dark chocolate dahlia (Dahlia 'Karma Choc').

More about dahlia 'karma choc'

About Dahlia 'Karma Choc'

Dahlia 'Karma Choc' · also called Karma Choc dahlia, dark chocolate dahlia · flowering

Dahlia 'Karma Choc' is a tuberous waterlily-type dahlia bred for cutting, with deep velvety dark-red, near-black blooms on strong stems set off by bronze-tinged foliage. It flowers prolifically from midsummer to first frost, thrives in full sun and rich soil, and reaches around 1 m, making a dramatic border and vase flower.

Plant type: flowering

The reasons dahlia 'karma choc' isn't blooming

Almost every non-blooming dahlia 'karma choc' 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 dahlia 'karma choc' 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 dahlia 'karma choc' to flower

Maximise sun. Give dahlia 'karma choc' 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 dahlia 'karma choc' and get the feeding right with the dahlia 'karma choc' 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

Dahlia 'Karma Choc' 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 dahlia 'karma choc' care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Dahlia 'Karma Choc' blooming — frequently asked questions

Why won't my dahlia 'karma choc' flower?

Dahlia 'Karma Choc' 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 dahlia 'karma choc' bloom?

Give dahlia 'karma choc' 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 dahlia 'karma choc' normally bloom?