perennial

Summer Snow Obedient Plant

Physostegia virginiana 'Summer Snow'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

36 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Medium to wet; does not tolerate drought

Humidity

Average garden humidity

Lifespan

Perennial

Native To

Eastern and Central North America

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Physostegia virginiana, commonly known as obedient plant or false dragonhead, is a perennial with erect, square stems and lance-shaped, toothed leaves. The species typically produces spikes of tubular, snapdragon-like flowers in shades of pink to lilac. This cultivar, Summer Snow, is distinguished by its pure white flowers that bloom profusely in mid to late summer, offering a striking contrast to its green foliage and enhancing garden aesthetics.

Uses & Benefits:

Provides vibrant pink flowers mid-summer, attracting pollinators and adding vertical interest to gardens.

Drought tolerant once established, requires minimal watering, and is low-maintenance.

Supports bees, butterflies, and hummingbirds, promoting 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 or divisions into prepared soil in early spring.
Water thoroughly after planting and keep soil moist.
Fertilize with a balanced fertilizer in spring for optimal growth.
Mulch around the base to retain moisture and suppress weeds.
Stake tall varieties if necessary to prevent flopping.
Divide every 3-4 years in early spring or fall for rejuvenation.

Pro Tip

Plant in well-drained soil with full sun for best flowering.

Keep It Thriving

Care Guide

Do

Water regularly during dry periods 🌱
Deadhead spent flowers to encourage rebloom
Divide every few years to maintain vigor

Don't

Avoid overwatering to prevent root rot ❌
Don’t cut back in late fall, wait until early spring
Refrain from fertilizing with high nitrogen to prevent floppy growth

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Pollinator-friendly borderInformal perennial bedWildflower meadow accent

Companion Plants

Echinacea Black-eyed Susan Liatris Coreopsis Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Summer Snow Obedient Plant questions

What zones can Summer Snow Obedient Plant grow in?

Summer Snow Obedient Plant is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Summer Snow Obedient Plant deer resistant?

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

When does Summer Snow Obedient Plant bloom?

Summer Snow Obedient Plant typically blooms in late summer to early fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Summer Snow Obedient Plant need full sun?

Summer Snow Obedient Plant does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.