Contents
Description
Sphaeralcea is a genus of flowering plants in the mallow family (Malvaceae) that includes about 60 species. The name “Sphaeralcea” comes from the Greek words “sphaira” meaning ball and “alcea” meaning mallow. These plants are native to North and South America and are known for their showy, brightly colored flowers that bloom in summer and fall.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malvales |
| Family | Malvaceae |
| Genus | Sphaeralcea |
Appearance
Sphaeralcea plants are typically herbaceous perennials, although some species may be annuals or shrubs. The leaves are usually gray-green or silvery and are covered in fine hairs. The flowers are typically orange, pink, or red and are produced in clusters at the top of the stem. Each flower has five petals and a distinctive central column of stamens.
Care Guide
Sphaeralcea plants are relatively easy to care for and can be grown in a variety of conditions. Here are some tips for caring for these plants:- Water: Sphaeralcea plants prefer regular watering during the growing season, but they can tolerate dry conditions once established.- Fertilization: These plants do not require frequent fertilization, but a balanced fertilizer applied once or twice a year can help promote healthy growth.- Soil: Sphaeralcea plants prefer well-draining soil that is not too rich in organic matter. They can tolerate a wide range of soil types, including sandy or rocky soils.- Sunlight: These plants prefer full sun but can tolerate some shade.- Hardiness Zones: Sphaeralcea plants are hardy in USDA zones 5-9.
Common Pests & Diseases
Sphaeralcea plants are generally resistant to pests and diseases, but they can still be affected by some common problems. Here are a few to watch out for:- Spider mites: These tiny pests can cause discoloration and damage to the leaves of the plant.- Powdery mildew: This fungal disease can cause a white, powdery coating to appear on the leaves and stems of the plant.- Root rot: Overwatering or poorly draining soil can lead to root rot, which can cause the plant to wilt and die.
Habitat
Sphaeralcea plants are native to a wide range of habitats, from deserts to prairies. They are common in the western United States and can be found growing in open areas, along roadsides, and in other disturbed areas.
Question and Answer
Q: Can Sphaeralcea plants tolerate drought conditions?
A: Yes, these plants are adapted to dry conditions and can tolerate some drought once established.
Q: How often should I fertilize my Sphaeralcea plant?
A: These plants do not require frequent fertilization, but a balanced fertilizer applied once or twice a year can help promote healthy growth.
Q: What is the hardiness zone range for Sphaeralcea plants?
A: Sphaeralcea plants are hardy in USDA zones 5-9.
Q: Can Sphaeralcea plants be grown in containers?
A: Yes, these plants can be grown in containers as long as they are provided with well-draining soil and regular watering.
Related Plants
Here are a few other plants that are related to Sphaeralcea:- Lavatera- Hibiscus- Abutilon- Alcea- Malva
References
– “Sphaeralcea.” Wikipedia, Wikimedia Foundation, 17 June 2021, en.wikipedia.org/wiki/Sphaeralcea.- “Sphaeralcea: Globe Mallow.” The Spruce, Dotdash, 23 June 2021, www.thespruce.com/sphaeralcea-profile-4847788.- “Sphaeralcea.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c954.
