Getting it to bloom

Why won't my Sweet violet bloom? (and how to make it flower)

Also called Sweet violet, English violet, Garden violet, Florist's violet (Viola odorata).

More about sweet violet

About Sweet violet

Viola odorata · also called Sweet violet, English violet · flowering

One of the most beloved wildflowers of European woodlands and hedgerows, sweet violet produces intensely fragrant dark violet or white flowers in late winter and early spring — among the earliest garden blooms of the year. Spreads readily by runners and self-seeds to form ground-covering colonies; flowers and leaves are edible and used in confectionery and perfumery.

Plant type: flowering

Watch for — Aphids and violet gall midge: Aphid colonies distort new growth; violet gall midge causes deformed, galled buds that fail to open. Remove affected growth promptly. Treat aphid infestations with insecticidal soap or encourage natural predators. No chemical remedy exists for gall midge — remove galled buds by hand.

The reasons sweet violet isn't blooming

Almost every non-blooming sweet violet 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 sweet violet 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 sweet violet to flower

Maximise sun. Give sweet violet 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 sweet violet and get the feeding right with the sweet violet 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

Sweet violet 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 sweet violet care brief and its watering schedule — a stressed, badly watered plant rarely has the energy to flower at all.

Sweet violet blooming — frequently asked questions

Why won't my sweet violet flower?

Sweet violet 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 sweet violet bloom?

Give sweet violet 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 sweet violet normally bloom?