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Description
Clethra Hartwegii is a deciduous shrub that belongs to the family Clethraceae. It is native to Mexico and can grow up to six feet tall and wide. The plant produces fragrant white flowers that bloom in mid to late summer. The foliage is a deep green color and turns yellow in the fall.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ericales |
| Family | Clethraceae |
| Genus | Clethra |
Appearance
Clethra Hartwegii has an upright habit and can grow up to six feet tall and wide. The foliage is a deep green color and turns yellow in the fall. The plant produces fragrant white flowers that bloom in mid to late summer. The flowers are held in dense spikes that are four to six inches long. The spikes are produced at the tips of the branches and can be up to two inches wide.
Care Guide
Clethra Hartwegii prefers moist, well-drained soil and partial shade. It can tolerate full sun, but may require more water. The plant should be watered regularly, especially during dry periods. Fertilization is not necessary, but can be done in the spring with a balanced fertilizer. The plant is hardy in USDA zones 7 to 9.
Common Pests & Diseases
Clethra Hartwegii is relatively pest and disease-free. However, it can be susceptible to aphids, spider mites, and scale insects. These pests can be controlled with insecticidal soap or horticultural oil. The plant can also be susceptible to leaf spot and powdery mildew. These diseases can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Clethra Hartwegii is native to Mexico and can be found in moist, shady areas. It prefers well-drained soil and can be found growing along streams, in canyons, and on slopes.
Question and Answer
Q: How tall can Clethra Hartwegii grow?
A: Clethra Hartwegii can grow up to six feet tall and wide.
Q: What is the bloom time for Clethra Hartwegii?
A: Clethra Hartwegii blooms in mid to late summer.
Q: Is Clethra Hartwegii hardy?
A: Yes, Clethra Hartwegii is hardy in USDA zones 7 to 9.
Q: Does Clethra Hartwegii require fertilization?
A: Fertilization is not necessary, but can be done in the spring with a balanced fertilizer.
Related Plants
- Clethra alnifolia
- Clethra barbinervis
- Clethra delavayi
- Clethra fargesii
References
- “Clethra Hartwegii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=e498.
- “Clethra Hartwegii.” PlantFiles, davesgarden.com/guides/pf/go/61725/.
- “Clethra Hartwegii.” San Marcos Growers, www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=1173.
