Getting it to bloom

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

Also called Labrador violet, Alpine violet (Viola labradorica).

More about labrador violet

About Labrador violet

Viola labradorica · also called Labrador violet, Alpine violet · flowering

A compact, exceptionally cold-hardy native violet from Arctic and subarctic North America, notable for its distinctive purple-flushed foliage that intensifies in cool temperatures. Produces small lavender-violet flowers in spring above low mounds of heart-shaped leaves. Ideal for woodland gardens, rock gardens, and ground cover under deciduous trees; spreads gently by self-seeding.

Plant type: flowering

Watch for — Self-seeding into unwanted areas: Plants spread by self-seeding and can appear in cracks, lawn edges, and between paving. Deadhead spent flowers promptly to limit spread, or enjoy the naturalistic colonisation in woodland and wild gardens. Individual seedlings are easy to remove when small.

The reasons labrador violet isn't blooming

Almost every non-blooming labrador 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 labrador 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 labrador violet to flower

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

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

Labrador violet blooming — frequently asked questions

Why won't my labrador violet flower?

Labrador 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 labrador violet bloom?

Give labrador 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 labrador violet normally bloom?