Contents
Description
The Oenothera Perennis, also known as the Perennial Evening Primrose, is a flowering plant native to North America. It belongs to the Onagraceae family and is a part of the Oenothera genus. This plant is a hardy perennial that can grow up to 3 feet tall and 2 feet wide. It blooms during the summer months, producing bright yellow, cup-shaped flowers that open in the evening and close in the morning.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
The Oenothera Perennis has lance-shaped leaves that are up to 6 inches long and 1 inch wide. The foliage is green and slightly hairy. The flowers are bright yellow and are about 2-3 inches in diameter. They have four petals and a prominent pistil in the center. The flowers bloom in the evening and close in the morning, giving them the nickname “Evening Primrose.” The plant produces a long taproot that helps it survive in dry conditions.
Care Guide
The Oenothera Perennis is a hardy plant that is easy to care for. It prefers well-drained soil and full sun, but can tolerate some shade. It is drought-tolerant, so be careful not to overwater it. Fertilize the plant in the spring with a balanced fertilizer. The plant is hardy in USDA zones 3-9.
Common Pests & Diseases
The Oenothera Perennis is generally resistant to pests and diseases. However, it can be susceptible to root rot if the soil is too wet. Japanese beetles and slugs can also be a problem. Treat with an insecticide or use a slug bait to control these pests.
Habitat
The Oenothera Perennis is native to North America and can be found in fields, meadows, and along roadsides. It prefers dry, sandy soil and can tolerate drought conditions. It is a hardy plant that can survive in harsh environments.
Question and Answer
Q: Is the Oenothera Perennis an annual or a perennial?
A: The Oenothera Perennis is a perennial plant.
Q: What kind of soil does the Oenothera Perennis prefer?
A: The Oenothera Perennis prefers well-drained, sandy soil.
Q: What kind of pests can be a problem for the Oenothera Perennis?
A: Japanese beetles and slugs can be a problem for the Oenothera Perennis.
Q: What is the hardiness zone for the Oenothera Perennis?
A: The Oenothera Perennis is hardy in USDA zones 3-9.
Related Plants
- Oenothera biennis
- Oenothera fruticosa
- Oenothera macrocarpa
- Oenothera speciosa
References
- “Oenothera Perennis.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=292363. Accessed 5 May 2021.
- “Oenothera Perennis.” North Carolina State University, https://plants.ces.ncsu.edu/plants/oenothera-perennis/. Accessed 5 May 2021.
- “Oenothera Perennis.” The Spruce, www.thespruce.com/oenothera-perennis-plant-profile-4844400. Accessed 5 May 2021.
