Getting it to bloom

Why won't my Yellow Pitaya bloom? (and how to make it flower)

Also called Yellow Dragon Fruit, Colombian Yellow Pitahaya, White-Fleshed Dragon Fruit (Hylocereus megalanthus).

More about yellow pitaya

About Yellow Pitaya

Hylocereus megalanthus · also called Yellow Dragon Fruit, Colombian Yellow Pitahaya · flowering

Hylocereus megalanthus produces the yellow-skinned dragon fruit with white, sweet flesh regarded by many as the finest-flavoured of all pitayas. Native to South America, particularly Colombia and Ecuador. A vining, epiphytic cactus with large night-blooming white flowers. Requires warm, frost-free conditions and a sturdy trellis. Generally pet-safe as a true cactus.

Plant type: flowering

Watch for — Poor fruit set without hand pollination: Flowers open at night. Indoors, gently transfer pollen with a soft paintbrush between different flowers or plants immediately after opening.

The reasons yellow pitaya isn't blooming

Almost every non-blooming yellow pitaya 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 yellow pitaya 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 yellow pitaya to flower

Maximise sun. Give yellow pitaya 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 yellow pitaya and get the feeding right with the yellow pitaya 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

Yellow Pitaya 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 yellow pitaya care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Yellow Pitaya blooming — frequently asked questions

Why won't my yellow pitaya flower?

Yellow Pitaya 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 yellow pitaya bloom?

Give yellow pitaya 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 yellow pitaya normally bloom?