Tetragonotheca
Contents
Description
Tetragonotheca is a genus of flowering plants in the family Asteraceae, commonly known as squarestem. It consists of several species, most of which are native to North America. These plants are known for their beautiful flowers that bloom in late summer and fall. The flowerheads are usually yellow, orange, or red in color and have a distinctive shape that resembles a daisy. They are a popular choice for gardeners who want to add color to their gardens in the fall.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Tetragonotheca |
Appearance
The flowers of Tetragonotheca are the most striking feature of the plant. They have a unique shape that resembles a daisy, with yellow, orange, or red petals surrounding a yellow or brown center. The leaves are opposite and have a square stem, which gives the plant its common name. The leaves are usually lanceolate in shape and have serrated edges. The plant can grow up to 5 feet tall and 2 feet wide, making it a great choice for adding height and color to a garden.
Care Guide
Tetragonotheca is a relatively easy plant to care for. Here are some tips:
- Water: Water regularly but do not overwater. The plant prefers well-draining soil.
- Fertilization: Fertilize once a month during the growing season with a balanced fertilizer.
- Soil: The plant prefers well-draining soil that is slightly acidic.
- Sunlight: Tetragonotheca prefers full sun but can tolerate some shade.
- Hardiness Zones: Tetragonotheca is hardy in zones 5-9.
Common Pests & Diseases
Tetragonotheca is relatively resistant to pests and diseases. However, it can be susceptible to powdery mildew and spider mites. To prevent powdery mildew, make sure the plant is not overcrowded and has good air circulation. To prevent spider mites, keep the plant well-watered and spray it with water regularly.
Habitat
Tetragonotheca is native to North America and can be found growing in prairies, meadows, and open woodlands. It prefers well-draining soil and full sun but can tolerate some shade. It is a great choice for adding color and height to a garden.
Question and Answer
Q: Is Tetragonotheca a perennial or an annual?
A: Tetragonotheca is a perennial plant.
Q: When does Tetragonotheca bloom?
A: Tetragonotheca blooms in late summer and fall.
Q: How tall does Tetragonotheca grow?
A: Tetragonotheca can grow up to 5 feet tall.
Q: What is the hardiness zone for Tetragonotheca?
A: Tetragonotheca is hardy in zones 5-9.
Related Plants
- Solidago
- Rudbeckia
- Coreopsis
- Helianthus
References
- Missouri Botanical Garden: Tetragonotheca
- Gardenia: Tetragonotheca helianthoides
- University of Arkansas: Tetragonotheca
