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Description
Spiraea Formosana, also known as Formosan Spirea, is a deciduous shrub that belongs to the Rosaceae family. It is native to Taiwan and can grow up to 1.5 meters in height. The plant produces clusters of small, pink flowers that bloom in early summer and last until fall. Spiraea Formosana is commonly grown for its ornamental value due to its attractive foliage and flowers.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Spiraea |
Appearance
Spiraea Formosana has a bushy growth habit with arching branches that are covered in serrated leaves. The leaves are oval-shaped, dark green in color, and can grow up to 6 cm in length. The plant produces clusters of small, pink flowers that are around 1 cm in diameter. These flowers bloom in early summer and last until fall. After the flowers fade, small brown fruit capsules appear on the plant. In the fall, the leaves turn a vibrant red or orange before falling off for the winter.
Care Guide
Water: Spiraea Formosana prefers moist soil but is tolerant of drought once established. Water the plant regularly during the growing season, especially during hot and dry weather.
Fertilization: Apply a slow-release fertilizer in the spring to promote healthy growth and flowering.
Soil: The plant prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil types but performs best in slightly acidic to neutral soil.
Sunlight: Spiraea Formosana prefers full sun but can also tolerate partial shade. Ensure that the plant receives at least 6 hours of sunlight per day.
Hardiness Zones: The plant is hardy in USDA zones 7 to 9.
Common Pests & Diseases
Spiraea Formosana is generally resistant to pests and diseases. However, it may occasionally be affected by spider mites, aphids, or powdery mildew.
Habitat
Spiraea Formosana is native to Taiwan and can be found growing in a variety of habitats, including forests, scrublands, and riverbanks. The plant prefers moist soil and is often found growing near water sources.
Question and Answer
Q: Can Spiraea Formosana grow in containers?
A: Yes, the plant can be grown in containers as long as it is provided with enough space, soil, and water.
Q: How often should I prune Spiraea Formosana?
A: Prune the plant in the early spring before new growth begins. Remove any dead, damaged, or diseased branches, and shape the plant as desired.
Q: Can Spiraea Formosana be propagated from cuttings?
A: Yes, the plant can be propagated from softwood or hardwood cuttings taken in the summer or fall.
Q: Does Spiraea Formosana attract pollinators?
A: Yes, the plant’s flowers attract a variety of pollinators, including bees and butterflies.
Related Plants
- Spiraea japonica
- Spiraea betulifolia
- Spiraea cantoniensis
- Spiraea nipponica
References
- “Spiraea Formosana.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=e302.
- “Spiraea Formosana.” PlantFiles, Dave’s Garden, www.davesgarden.com/guides/pf/go/202870/.
- Dirr, Michael A. Dirr’s Encyclopedia of Trees and Shrubs. Timber Press, 2011.
