Compact shrub
Japanese spirea
Spiraea japonica
A compact flowering shrub for borders, mass plantings and the front edge of garden beds.
Planning parameters
Use these values as a practical planning envelope: they describe the adult plant, not the young seedling.
- Adult height
- 0.6-1.2 m
- Crown diameter
- 1.2 m
- Root zone
- 1.4 m
- Root type
- Compact fibrous
- Lifecycle
- Perennial
- Recommended setback
- 0.5-0.8 m from paths and edging
- Growth rate
- Medium
- Hardiness
- USDA 4-8
- Crown density
- Medium / dense
Site requirements
These conditions decide whether the plant will establish well after planting.
- Claro
- Sun / partial shade
- Watering
- Moderate
- Soil type
- Drained garden soil
- Drainage
- Drained, no standing water
- Soil pH
- Slightly acidic to neutral
Root system and placement
Compact fibrous roots; easy to use in small planting modules.
Garden role and season
These fields help choose the plant by composition, privacy, flowering and year-round value.
- Form
- Low rounded shrub
- Foliage
- Deciduous
- Season
- Summer bloom, colored young foliage
- Bloom
- Pink flower clusters
- Fruit
- Dry small fruits, not decorative
- Garden use
- Low border, mass planting, front of mixed border
Care and risks
This is the practical part for future maintenance and safe placement on the plot.
- Maintenance
- Low
- Pruning
- Cut back in spring for compact growth
- Risks
- Can look untidy without renewal pruning.
Other plants
Return to the catalog or compare nearby options before placing plants on the site plan.
