Spirotropis

Description

Spirotropis is a genus of flowering plants belonging to the family Fabaceae, native to central and eastern North America. The genus comprises around 7 species of annuals and perennials, which are commonly known as prairie clovers. These plants are valued for their ornamental beauty and ability to attract pollinators.

Taxonomic Information

Appearance

Spirotropis plants have compound leaves with three leaflets and small, pea-like flowers arranged in cylindrical spikes. The flowers can be yellow, pink, or purple, and they bloom from late spring to early fall. The plants can grow up to 3 feet tall and 2 feet wide, and they have a bushy, rounded habit.

Care Guide

Water

Spirotropis plants prefer well-drained soil, so it’s important not to overwater them. Water them deeply once a week during the growing season, and reduce watering in the fall and winter.

Fertilization

Fertilize Spirotropis plants with a balanced, all-purpose fertilizer once a month during the growing season.

Soil

Spirotropis plants prefer well-drained soil that is slightly acidic. Amend the soil with organic matter to improve drainage and fertility.

Sunlight

Spirotropis plants require full sun to thrive. They can tolerate some shade, but they will not flower as well.

Hardiness Zones

Spirotropis plants are hardy in USDA zones 3-9.

Common Pests & Diseases

Spirotropis plants are generally resistant to pests and diseases. However, they can be susceptible to root rot if the soil is too wet.

Habitat

Spirotropis plants are native to prairies, savannas, and open woodlands in central and eastern North America. They prefer well-drained, sandy or loamy soils and full sun.

Question and Answer

Q: Are Spirotropis plants deer-resistant?

A: Yes, Spirotropis plants are generally deer-resistant.

Q: Can Spirotropis plants grow in containers?

A: Yes, Spirotropis plants can be grown in containers as long as the soil is well-drained and they receive full sun.

Q: How often should I prune Spirotropis plants?

A: Prune Spirotropis plants in late fall or early spring to remove any dead or damaged stems. You can also pinch back the growing tips in early summer to encourage bushier growth and more flowers.

Q: Are Spirotropis plants toxic to pets?

A: Spirotropis plants are not toxic to pets.

Related Plants

• Dalea purpurea
• Dalea candida
• Dalea greggii
• Dalea foliosa

References

• “Spirotropis.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c580. Accessed 15 Dec. 2021.
• “Spirotropis.” PlantFiles, Dave’s Garden, davesgarden.com/guides/pf/go/64095/. Accessed 15 Dec. 2021.
• “Spirotropis.” North Carolina Extension Gardener Plant Toolbox, plants.ces.ncsu.edu/plants/all/spirotropis/. Accessed 15 Dec. 2021.