Getting it to bloom

Why won't my Spreading Achimenes bloom? (and how to make it flower)

Also called Spreading Achimenes, Hot Water Plant (Achimenes patens).

More about spreading achimenes

About Spreading Achimenes

Achimenes patens · also called Spreading Achimenes, Hot Water Plant · flowering

Achimenes patens is a naturally compact, spreading magic flower from volcanic highland habitats in Michoacán and Guerrero, Mexico. It produces abundant purple flowers with white throats on short, tidy stems through summer and autumn. One of the neatest species for pot culture, it demands sharp drainage, bright indirect light, and consistent moisture during the growing season.

Plant type: flowering

Watch for — Sparse flowering: Insufficient light is the most common cause. Move the plant closer to a bright east- or west-facing window; supplemental LED lighting extends the blooming season significantly.

The reasons spreading achimenes isn't blooming

Almost every non-blooming spreading achimenes 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 spreading achimenes 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 spreading achimenes to flower

Maximise sun. Give spreading achimenes 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 spreading achimenes and get the feeding right with the spreading achimenes 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

Spreading Achimenes 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 spreading achimenes care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Spreading Achimenes blooming — frequently asked questions

Why won't my spreading achimenes flower?

Spreading Achimenes 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 spreading achimenes bloom?

Give spreading achimenes 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 spreading achimenes normally bloom?