perennialN. America Native

Horned Violet

Viola cornuta 'Halo Sky Blue'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

8 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Pyrenees Mountains

Toxicity

Non-toxic to pets and humans

The Story

Plant Bio

A hardy perennial recognized for its charming blue flowers and compact growth habit. Unique for its sky blue color, making it a standout in garden beds and containers.

Bloom Period:

EarlyLate

Uses & Benefits:

Vibrant blue blooms add striking color to shaded gardens.

Serves as a beautiful groundcover that suppresses weeds.

Provides nectar for pollinators like bees and butterflies.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and encourage rooting.
Plant in well-drained soil with partial sun for optimal growth.
Fertilize lightly every 4-6 weeks during active growing season.
Divide overcrowded clumps in early spring or fall to promote health.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Use organic compost to enrich soil and promote vibrant blooms.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil evenly moist 🌱
Deadhead spent flowers to encourage continuous blooming
Apply a balanced fertilizer during spring and summer

Don't

Avoid overwatering to prevent root rot ❌
Do not fertilize in late fall to prevent unnecessary growth
Refrain from pruning during the hottest summer months

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Fertilize
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid blue groundcover for shaded garden bedsColorful border edging in mixed flower bedsUnderplanting beneath taller shrubs

Companion Plants

Hosta Ferns Coral Bells Astilbe Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

Horned Violet questions

What zones can Horned Violet grow in?

Horned Violet is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Horned Violet deer resistant?

Yes — Horned Violet is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Horned Violet bloom?

Horned Violet typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Horned Violet need full sun?

Horned Violet does best in part shade.