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Description
Oenothera Hexandra, commonly known as the Great Plains evening primrose, is a native North American plant species that belongs to the Onagraceae family. This species is a short-lived perennial plant that produces bright yellow flowers that bloom in the evening and last until morning. It is a self-seeding plant that can grow up to 3 feet tall and 2 feet wide. Oenothera Hexandra is a hardy plant that can withstand drought conditions and poor soil.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Hexandra has lance-shaped green leaves that grow up to 6 inches long and 1 inch wide. The plant produces large, bright yellow flowers that bloom in the evening and stay open until the following morning. The flowers have four petals and can be up to 3 inches wide. The plant produces seed pods that are 1 inch long and contain numerous tiny seeds. The plant has a deep taproot that can grow up to 6 feet deep.
Care Guide
Oenothera Hexandra is a hardy plant that can grow in a variety of soil types, including poor soil. It requires full sunlight and can tolerate drought conditions. It is recommended to water the plant once a week and to fertilize it once a month with a balanced fertilizer. The plant can grow in hardiness zones 4-9.
Common Pests & Diseases
Oenothera Hexandra is generally not susceptible to pests or diseases. However, it can be affected by aphids and spider mites. These pests can be controlled with insecticidal soap or neem oil. The plant can also be affected by fungal diseases, such as powdery mildew and rust. These diseases can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Oenothera Hexandra is native to the Great Plains region of North America. It can be found in prairies, meadows, and along roadsides. The plant prefers dry, well-drained soil and full sunlight.
Question and Answer
Q: Is Oenothera Hexandra a perennial or an annual plant?
A: Oenothera Hexandra is a short-lived perennial plant.
Q: Can Oenothera Hexandra grow in poor soil?
A: Yes, Oenothera Hexandra can grow in a variety of soil types, including poor soil.
Q: What is the blooming period of Oenothera Hexandra?
A: Oenothera Hexandra produces bright yellow flowers that bloom in the evening and last until morning.
Q: Is Oenothera Hexandra susceptible to any pests or diseases?
A: Oenothera Hexandra is generally not susceptible to pests or diseases. However, it can be affected by aphids and spider mites.
Related Plants
- Oenothera Biennis
- Oenothera Pallida
- Oenothera Speciosa
- Oenothera Fruticosa
References
- https://www.fs.fed.us/wildflowers/plant-of-the-week/oenothera_hexandra.shtml
- https://www.gardeningknowhow.com/ornamental/flowers/evening-primrose/growing-great-plains-evening-primrose.htm
- https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=286776&isprofile=0&
