Spirea
Spiraea japonica
Family: Rosaceae
Spirea grows in full sun to partial shade and prefers average, well-drained soil. Water needs: Moderate.
Photo Gallery
Plant reference images showing growth stages and identifying features.
Photo info
Photo info
Photo info
How to Grow Spirea
Spirea growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Average, well-drained soil with a soil pH of 5.5-7.5, and Moderate water needs. The listed hardiness zones are 3-8. For propagation reference, the database lists germination or establishment information for Spirea as 30-60 days after cold stratification, with planting or establishment depth listed as Surface sow or barely cover. Days to maturity are listed as 2-3 years to mature flowering size.
Plant Overview
Spirea (Spiraea japonica) is listed in the Rosaceae family and categorized as a shrub with a perennial deciduous shrub life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-0307
- Family
- Rosaceae
- Plant type
- Shrub
- Life cycle
- Perennial deciduous shrub
- Difficulty
- Easy
Growing Conditions
Spirea is listed for full sun to partial shade conditions. Water needs are listed as moderate. The database soil reference is Average, well-drained soil. The listed soil pH range is 5.5-7.5, and the listed hardiness range is 3-8.
- Hardiness zones
- 3-8
- Sunlight
- Full sun to partial shade
- Soil
- Average, well-drained soil
- Soil pH
- 5.5-7.5
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 30-60 days after cold stratification and the seed depth is Surface sow or barely cover. The listed time to maturity is 2-3 years to mature flowering size. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 30-60 days after cold stratification
- Seed depth
- Surface sow or barely cover
Harvest & Propagation
- Days to maturity
- 2-3 years to mature flowering size
Related Plants
Find, buy, swap, or sell Spirea
One World One Seed connects this plant profile to community sellers, plant swaps, storefronts, and participating garden retailers.
Where to buy Spirea
These products were matched to this plant from participating retailers in the One World One Seed marketplace network.
One World One Seed may earn a commission from qualifying purchases. Affiliate disclosure.
Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.