perennial RHS AwardN. America Native

Molly Sanderson Violet

Viola viola 'Molly Sanderson'

The Story

Plant Bio

Molly Sanderson is a charming small violet with attractive flowers and heart-shaped leaves that thrive in cooler weather.

This cultivar is known for its unique purple flowers that have a richer hue compared to other similar Viola species.

Uses & Benefits:

Ornamental UsesAdds vibrant purple color to shaded gardens, attracting pollinators and enhancing visual appeal.
Practical UsesServes as a groundcover to suppress weeds in shaded areas.
Ecological BenefitsSupports bees and butterflies, promoting pollination in woodland gardens.

Essentials

At a Glance

Plant Type

Perennial

Height

8 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Non-toxic to humans and pets

Bloom period

Early spring – Late spring

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In flower about 3 months of the year

Planting

How to Grow

  1. Tuck seeds into moist soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity and root in 4-6 weeks.
  3. Choose a location with partial shade to prevent leaf scorch.
  4. Apply a balanced fertilizer monthly during the growing season.
  5. Deadhead spent flowers to encourage continuous blooming.
  6. Divide clumps every 2-3 years in early spring or fall.

Pro Tip

Use rich, well-drained soil and keep soil consistently moist for vibrant blooms.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist but not waterlogged 🌱
  • Deadhead flowers to promote prolonged blooming
  • Mulch around plants to retain moisture and suppress weeds
  • Fertilize monthly with a balanced plant food
  • Provide partial shade in hot climates

Don't

  • Avoid waterlogging soil to prevent root rot ❌
  • Don’t expose plants to full, harsh sunlight in summer
  • Refrain from over-fertilizing, which can cause lush foliage with fewer flowers
  • Don’t forget to remove dead or diseased foliage

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border plant with purple flowersShaded woodland garden accentGroundcover in shaded areas

Companion Plants

HostaFerns AstilbeHeucheraBleeding Heart

Multiply

Propagation Methods

Good to Know

Common Questions

Molly Sanderson Violet questions

What zones can Molly Sanderson Violet grow in?

Molly Sanderson Violet is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Molly Sanderson Violet deer resistant?

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

When does Molly Sanderson Violet bloom?

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

Does Molly Sanderson Violet need full sun?

Molly Sanderson Violet does best in part shade.

Keep exploring

Grow Molly Sanderson Violet with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.