Spiraea rosthornii

Spiraea

Rosaceae

Flowering Plants

Zone 3–9

🐾 Pet-Safe

Spiraea rosthornii is a flowering deciduous shrub native to central and southern China, producing clusters of delicate white blossoms in spring. It prefers partial shade with consistent moisture and benefits from light pruning after flowering to maintain a tidy, attractive shape. This uncommon spiraea is an excellent choice for collectors seeking a refined, pollution-tolerant ornamental shrub.

Care Requirements

Care Level

Moderate

Sun

Partial Shade

Water

Moderate

Growth Rate

Moderate

Mature Height

36″ – 120″

Soil

loam

Life Cycle

Perennial

Spacing

48″

Watering Schedule

Every 7-10 Days • Water Deeply To Saturate The Root Zone; Allow The Top 1-2 Inches Of Soil To Dry Before Rewatering

Soil pH

5 – 7.5

Temperature

-40° – 95°F

Mature Spread

up to 80″

Root Depth

Medium

Foliage

Coarse

Ecology & Origin

Native to

China North-Central

China South-Central

China Southeast

Inner Mongolia

Attracts

🐝 Bees

🐝 Butterflies

Sources

Data: trefle, usda

Image: trefle.io — CC-BY-SA

Hardiness Zones

Check your zone:

Available From (0)

No nurseries currently have this species in stock.