Water
Keep the soil consistently moist during the growing season. Water deeply when the top few centimeters of soil feel dry.
Reduce watering in fall and winter, allowing the soil to dry out slightly between waterings to prevent waterlogging.
Also known as Hardhack · Kashmir False Spiraea
Himalayan Sorbaria (Sorbaria tomentosa) is a fast-growing, deciduous shrub known for its attractive compound leaves and showy white flower panicles.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers full sun but tolerates partial shade. More sun generally leads to better flowering.
Consistent Moisture
50% intensity
Keep soil consistently moist during the growing season; reduce slightly in winter.
Well-drained
50% intensity
Hardy
25% intensity
Tolerates a wide range of temperatures, hardy in USDA zones 4-7. Protect from extreme heat.
Moderate
50% intensity
Fertilize annually in spring with a balanced fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the soil consistently moist during the growing season. Water deeply when the top few centimeters of soil feel dry.
Reduce watering in fall and winter, allowing the soil to dry out slightly between waterings to prevent waterlogging.
Prune in late winter or early spring before new growth begins. Remove any dead, damaged, or crossing branches. You can also prune to shape the plant and control its size.
Pruning encourages bushier growth and better flowering in the current season.
Easily propagated from softwood or semi-hardwood cuttings taken in early to mid-summer. Dip cuttings in rooting hormone and plant in a well-draining potting mix. Keep moist and provide bottom heat.
Seeds can also be sown in fall or stratified and sown in spring.
Young plants may benefit from repotting every 2-3 years in early spring. Mature plants are less fussy and can be left undisturbed for longer periods.
Choose a pot that is slightly larger than the current one, with adequate drainage holes.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Himalayan Sorbaria (Sorbaria tomentosa)
Where Himalayan Sorbaria (Sorbaria tomentosa) is found

Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Sorbaria |
| Species | Sorbaria tomentosa |
Similar in genus Sorbaria
Answers based on plant encyclopedia data