perennial

White Toadflax

Linaria purpurea 'Alba'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

15 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

Italy

Toxicity

Non-toxic

The Story

Plant Bio

An upright, clump-forming perennial with slender stems clothed in narrow, gray-green leaves. From early summer into autumn, it produces dense, terminal racemes of small, pure white, snapdragon-like flowers. A white-flowered form of the species, 'Alba' is valued for its long bloom season, drought tolerance, and airy texture. It self-seeds readily, naturalizing in a charming, non-aggressive way.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides elegant white flowers that brighten borders and rock gardens.

Drought-tolerant and low-maintenance, ideal for xeriscaping.

Attracts pollinators like bees and butterflies, supporting local biodiversity.

Marketplace

Where to Buy

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

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Planting

How to Grow

Tuck seeds into well-drained soil in early spring for best germination.
Mist cuttings lightly to maintain moisture; keep in bright, indirect light.
Transplant seedlings once they have grown strong, after 4-6 weeks.
Water regularly but avoid waterlogging; ensure soil remains moist.
Fertilize monthly with a balanced, water-soluble fertilizer during the growing season.
Prune after flowering to promote bushier growth and remove spent flowers.

Pro Tip

Sow seeds in early spring for a vibrant display of purple flowers in summer.

Keep It Thriving

Care Guide

Do

Keep soil moist but not waterlogged 🌱
Provide full sun for optimal flowering
Deadhead spent flowers to encourage reblooming
Fertilize monthly during active growth

Don't

Avoid overwatering to prevent root rot ❌
Don’t plant in shady areas; it needs full sun
Refrain from cutting back too late in the season
Never ignore pest infestations

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Violet-scented borderColorful rock garden accentWildflower meadow edge

Companion Plants

Lavender Salvia Coreopsis Echinacea Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

White Toadflax questions

What zones can White Toadflax grow in?

White Toadflax 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 White Toadflax deer resistant?

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

When does White Toadflax bloom?

White Toadflax typically blooms in summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does White Toadflax need full sun?

White Toadflax does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is White Toadflax drought tolerant?

Yes — once established (usually after the first full season), White Toadflax handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.