shrub

Woolly Rose-mallow

Hibiscus lasiocarpus

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Shrub

Height

60 inches

Width

48 inches

Light

Full Sun

Zones

5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Central and Southeastern United States

Toxicity

Non-toxic to pets

The Story

Plant Bio

Hibiscus lasiocarpus, or Woolly Rose-mallow, is a robust, shrubby perennial native to wetland areas. It features large, hollyhock-like flowers, typically white or pale pink with a deep crimson center, and heart-shaped, velvety leaves. This species is distinguished by its dense, hairy calyxes and flowers that often feature a prominent, contrasting throat, making it a striking addition to tropical or subtropical gardens.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides vibrant, colorful flowers that attract hummingbirds and insects, enhancing garden aesthetics.

Drought tolerant once established, requires minimal watering and maintenance.

Supports local pollinators and hummingbirds, contributing to biodiversity.

Marketplace

Where to Buy

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Planting

How to Grow

Choose a sunny location with well-drained soil.
Tuck seeds or cuttings into moist soil in early spring.
Water regularly until established, about 6 weeks.
Mist cuttings daily to maintain humidity.
Fertilize monthly during growing season for best blooms.
Prune lightly after flowering to shape the shrub.

Pro Tip

Ensure good drainage and full sun for vibrant blooms.

Keep It Thriving

Care Guide

Do

Water consistently during dry spells 🌱
Prune after blooming to maintain shape
Apply a balanced fertilizer in spring

Don't

Avoid overwatering to prevent root rot ❌
Don’t prune in late fall or winter
Do not neglect mulching during winter

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright border with vibrant flowersAttractive hummingbird garden feature

Companion Plants

Lantana Salvia Coreopsis Gaillardia

Multiply

Propagation Methods

Good to Know

Common Questions

Woolly Rose-mallow questions

What zones can Woolly Rose-mallow grow in?

Woolly Rose-mallow is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Woolly Rose-mallow deer resistant?

Not reliably. Deer may browse Woolly Rose-mallow, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Woolly Rose-mallow bloom?

Woolly Rose-mallow typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Woolly Rose-mallow need full sun?

Woolly Rose-mallow does best in full sun (6+ hours).