Getting it to bloom

Why won't my Hameln Dwarf Fountain Grass bloom? (and how to make it flower)

Also called hameln fountain grass, dwarf fountain grass (Pennisetum alopecuroides 'Hameln').

More about hameln dwarf fountain grass

About Hameln Dwarf Fountain Grass

Pennisetum alopecuroides 'Hameln' · also called hameln fountain grass, dwarf fountain grass · flowering

Hameln is a compact, hardy fountain grass forming a neat mound of fine green foliage topped by soft, bottlebrush flower spikes from late summer into autumn. The plumes age to tan and the leaves turn golden, giving lasting seasonal colour. Far hardier than the tender purple types, it is a reliable, sun-loving perennial for borders and edging.

Plant type: flowering

Watch for — Late or sparse plumes: Needs a warm, sunny site and a long enough season to flower well; in cold, shady spots it may flower little or not at all.

The reasons hameln dwarf fountain grass isn't blooming

Almost every non-blooming hameln dwarf fountain grass 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 hameln dwarf fountain grass 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 hameln dwarf fountain grass to flower

Maximise sun. Give hameln dwarf fountain grass 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 hameln dwarf fountain grass and get the feeding right with the hameln dwarf fountain grass 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

Hameln Dwarf Fountain Grass 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 hameln dwarf fountain grass care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Hameln Dwarf Fountain Grass blooming — frequently asked questions

Why won't my hameln dwarf fountain grass flower?

Hameln Dwarf Fountain Grass 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 hameln dwarf fountain grass bloom?

Give hameln dwarf fountain grass 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 hameln dwarf fountain grass normally bloom?