Getting it to bloom

Why won't my Golden-Edged Cymbidium bloom? (and how to make it flower)

Also called Iris-Like Cymbidium (Cymbidium iridioides).

More about golden-edged cymbidium

About Golden-Edged Cymbidium

Cymbidium iridioides · also called Iris-Like Cymbidium · flowering

Cymbidium iridioides is a large cool-growing Himalayan species with long arching leaves and showy autumn sprays of yellow-green flowers veined and edged in chestnut-red, with a hairy lip. A robust mountain orchid, it wants bright light, a chunky terrestrial mix kept moist in growth, and crucially a cold autumn drop to flower well.

Plant type: flowering

Watch for — No flower spikes: The classic Cymbidium failure: not enough light and, above all, no cold autumn night drop. Keep nights around 10-13°C in early autumn and give maximum light to initiate spikes.

The reasons golden-edged cymbidium isn't blooming

Almost every non-blooming golden-edged cymbidium 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 golden-edged cymbidium 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 golden-edged cymbidium to flower

Maximise sun. Give golden-edged cymbidium 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 golden-edged cymbidium and get the feeding right with the golden-edged cymbidium 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

Golden-Edged Cymbidium 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 golden-edged cymbidium care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Golden-Edged Cymbidium blooming — frequently asked questions

Why won't my golden-edged cymbidium flower?

Golden-Edged Cymbidium 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 golden-edged cymbidium bloom?

Give golden-edged cymbidium 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 golden-edged cymbidium normally bloom?