Species

Erysimum x allioniiSiberian Wallflower

perennial

Winter Orchid Wallflower

Erysimum x allionii 'Winter Orchid'

The Story

Plant Bio

A hardy biennial or short-lived perennial with bright purple flowers.

This cultivar is known for its unique winter blooming, providing color during the colder months.

Uses & Benefits:

Adds vibrant yellow color to winter and early spring gardens, fragrant blooms attract pollinators.

Drought-tolerant once established, requires minimal maintenance.

Supports beneficial insects and native pollinators.

SpeciesErysimum x allioniiSiberian Wallflower

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

Mediterranean region

Toxicity

Non-toxic to humans and pets

Bloom period

Early spring – Mid-spring

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds lightly into well-drained soil in early spring.
Water regularly to keep soil moist but not waterlogged.
Thin seedlings to prevent overcrowding after germination.
Fertilize with a balanced, slow-release fertilizer in spring.
Prune after flowering to maintain shape and promote new growth.
Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Ensure excellent drainage to prevent root rot and promote healthy growth.

Keep It Thriving

Care Guide

Do

Water consistently during dry spells 🌱
Deadhead spent flowers to encourage more blooms
Apply a balanced fertilizer in spring

Don't

Avoid overwatering to prevent root rot ❌
Don’t fertilize late in the season
Never neglect pest monitoring

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Pest Check
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Aromatic herb borderRock garden accentWildflower meadow patch

Companion Plants

Lavender Salvia Sedum Echinacea Coreopsis

Multiply

Propagation Methods

Good to Know

Common Questions

Winter Orchid Wallflower questions

What zones can Winter Orchid Wallflower grow in?

Winter Orchid Wallflower 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 Winter Orchid Wallflower deer resistant?

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

When does Winter Orchid Wallflower bloom?

Winter Orchid Wallflower 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 Winter Orchid Wallflower need full sun?

Winter Orchid Wallflower does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Winter Orchid Wallflower drought tolerant?

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