Getting it to bloom

Why won't my Haworth's Lampranthus bloom? (and how to make it flower)

Also called Haworth's Lampranthus, Purple Brightfig, Haworth's Ice Plant (Lampranthus haworthii).

More about haworth's lampranthus

About Haworth's Lampranthus

Lampranthus haworthii · also called Haworth's Lampranthus, Purple Brightfig · flowering

A tall, erect South African subshrub with glaucous, cylindrical leaves and large, showy white to pale mauve or light pink flowers up to 7 cm across, blooming mid-winter to early spring. One of the larger Lampranthus species, suited to Mediterranean gardens, coastal slopes, and frost-free rockeries. Drought-tolerant and fast-growing once established.

Plant type: flowering

Watch for — Woody, unproductive growth: Older plants become woody at the base and produce fewer flowers. Cut back by one-third after flowering in spring to stimulate new vegetative growth. Take cuttings from vigorous young shoots to rejuvenate the planting.

The reasons haworth's lampranthus isn't blooming

Almost every non-blooming haworth's lampranthus 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 haworth's lampranthus 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 haworth's lampranthus to flower

Maximise sun. Give haworth's lampranthus 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 haworth's lampranthus and get the feeding right with the haworth's lampranthus 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

Haworth's Lampranthus 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 haworth's lampranthus care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Haworth's Lampranthus blooming — frequently asked questions

Why won't my haworth's lampranthus flower?

Haworth's Lampranthus 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 haworth's lampranthus bloom?

Give haworth's lampranthus 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 haworth's lampranthus normally bloom?