Getting it to bloom

Why won't my Leatherleaf Sedge bloom? (and how to make it flower)

Also called leatherleaf sedge, fox red curly sedge (Carex buchananii).

More about leatherleaf sedge

About Leatherleaf Sedge

Carex buchananii · also called leatherleaf sedge, fox red curly sedge · flowering

Leatherleaf sedge is a copper-bronze, evergreen New Zealand grass-like perennial grown for its upright, curling-tipped foliage. It forms a tidy fountain of weather-resistant blades that hold colour year-round. Easy and drought-tolerant once settled, it thrives in sun to part shade and tolerates poor, free-draining soils. Insignificant brown flower spikes appear in summer.

Plant type: flowering

Watch for — Self-seeding: Can self-sow in mild, moist gardens and naturalise where unwanted. Remove flower spikes before seed set if spread is a concern.

The reasons leatherleaf sedge isn't blooming

Almost every non-blooming leatherleaf sedge 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 leatherleaf sedge 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 leatherleaf sedge to flower

Maximise sun. Give leatherleaf sedge 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 leatherleaf sedge and get the feeding right with the leatherleaf sedge 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

Leatherleaf Sedge 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 leatherleaf sedge care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Leatherleaf Sedge blooming — frequently asked questions

Why won't my leatherleaf sedge flower?

Leatherleaf Sedge 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 leatherleaf sedge bloom?

Give leatherleaf sedge 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 leatherleaf sedge normally bloom?