Getting it to bloom

Why won't my Coelogyne flaccida bloom? (and how to make it flower)

Also called Drooping Coelogyne, Fragrant Himalayan Orchid (Coelogyne flaccida).

More about coelogyne flaccida

About Coelogyne flaccida

Coelogyne flaccida · also called Drooping Coelogyne, Fragrant Himalayan Orchid · flowering

Coelogyne flaccida is a Himalayan epiphyte that bears pendent sprays of small, strongly fragrant cream flowers marked with yellow and brown on the lip, opening in late winter and spring. An easy, vigorous grower, it forms clumps of pseudobulbs and, like its relatives, flowers best after a cooler, drier winter rest in bright, airy conditions.

Plant type: flowering

Watch for — Poor or no flowering: Lack of a cooler, drier winter rest is the usual cause; provide cooler nights and reduced watering in winter to initiate the fragrant spikes.

The reasons coelogyne flaccida isn't blooming

Almost every non-blooming coelogyne flaccida 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 coelogyne flaccida 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 coelogyne flaccida to flower

Maximise sun. Give coelogyne flaccida 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 coelogyne flaccida and get the feeding right with the coelogyne flaccida 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

Coelogyne flaccida 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 coelogyne flaccida care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Coelogyne flaccida blooming — frequently asked questions

Why won't my coelogyne flaccida flower?

Coelogyne flaccida 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 coelogyne flaccida bloom?

Give coelogyne flaccida 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 coelogyne flaccida normally bloom?