Getting it to bloom

Why won't my Orange River Lily bloom? (and how to make it flower)

Also called Berg Lily, Veld Lily, South African Crinum (Crinum bulbispermum).

More about orange river lily

About Orange River Lily

Crinum bulbispermum · also called Berg Lily, Veld Lily · flowering

Orange River Lily is a hardy South African Crinum with strap-shaped greyish-green leaves and elegant pale pink to white funnel-shaped flowers in summer. Among the hardiest crinums, it tolerates brief frosts. Like all Crinum species, it contains Amaryllidaceae alkaloids and is toxic to dogs, cats, and horses.

Plant type: flowering

Watch for — Sparse flowering: Often due to excessive shade or a pot too large; maintain in slight crowding and ensure full sun exposure.

The reasons orange river lily isn't blooming

Almost every non-blooming orange river lily 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 orange river lily 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 orange river lily to flower

Maximise sun. Give orange river lily 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 orange river lily and get the feeding right with the orange river lily 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

Orange River Lily 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 orange river lily care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Orange River Lily blooming — frequently asked questions

Why won't my orange river lily flower?

Orange River Lily 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 orange river lily bloom?

Give orange river lily 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 orange river lily normally bloom?