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Description
Oenothera Hexandra Subsp. Hexandra is a species of flowering plant belonging to the Onagraceae family. It is native to North America and can be found in various habitats including grasslands, prairies, and open woodlands. The plant is commonly known as the Great Plains evening primrose or six-stamen evening primrose. It is a perennial herb that can grow up to 3 feet tall with a spread of 2 feet. It has a deep taproot and a rosette of basal leaves.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
The Oenothera Hexandra Subsp. Hexandra plant has showy yellow flowers that bloom from June to August. The flowers are 2-3 inches in diameter with four petals that are heart-shaped at the base. The plant has a basal rosette of leaves that are lance-shaped and up to 8 inches long. The leaves are arranged alternately on the stem and are covered with fine hairs. The stem is erect and hairy with reddish-brown color.
Care Guide
The Oenothera Hexandra Subsp. Hexandra plant prefers full sun and well-drained soil. It can tolerate drought conditions and requires moderate watering. The plant can be fertilized with a balanced fertilizer in the spring. The plant is hardy in USDA zones 4-9.
Common Pests & Diseases
The Oenothera Hexandra Subsp. Hexandra plant is relatively pest and disease-free. However, it can be affected by rust, powdery mildew, and leaf spot diseases. Pests such as aphids, spider mites, and caterpillars can also infest the plant.
Habitat
The Oenothera Hexandra Subsp. Hexandra plant is native to North America and can be found in various habitats including grasslands, prairies, and open woodlands. It is commonly found in the Great Plains region of the United States and in parts of Canada.
Question and Answer
Q: Is Oenothera Hexandra Subsp. Hexandra an invasive plant?
A: No, the plant is not considered invasive.
Q: Can Oenothera Hexandra Subsp. Hexandra be grown in containers?
A: Yes, the plant can be grown in containers but requires well-drained soil and adequate sunlight.
Q: Does Oenothera Hexandra Subsp. Hexandra attract pollinators?
A: Yes, the plant attracts bees, butterflies, and hummingbirds.
Q: How often should Oenothera Hexandra Subsp. Hexandra be fertilized?
A: The plant can be fertilized with a balanced fertilizer in the spring.
Related Plants
- Oenothera biennis
- Oenothera macrocarpa
- Oenothera fruticosa
References
- https://www.wildflower.org/plants/result.php?id_plant=OEHEH
- https://plants.usda.gov/core/profile?symbol=OEHEH
- https://www.gardeningknowhow.com/ornamental/flowers/evening-primrose/great-plains-evening-primrose-care.htm
