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Description
Oenothera Macrocarpa, also known as Missouri evening primrose, is a flowering plant native to North America. This plant is a perennial that can grow up to 2 feet tall and spreads out to about 1.5 feet in width. It produces large, bright yellow flowers that bloom from May to September. The flowers open in the evening and close during the day. Oenothera Macrocarpa is an excellent choice for gardeners who want to add a pop of color to their landscape.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Macrocarpa is a beautiful plant with large, showy flowers. The flowers are bright yellow and have four petals that are about 2.5 inches in diameter. The flowers bloom on long stems that rise above the foliage. The leaves of this plant are narrow, lance-shaped, and gray-green in color. They grow in a rosette at the base of the plant and are about 4 inches long. The stems of the plant are hairy and can be reddish in color.
Care Guide
Oenothera Macrocarpa is a hardy plant that requires minimal care. Here are some tips for caring for this plant:Water: Water the plant regularly during the growing season, but do not overwater. The plant can tolerate drought conditions once established.Fertilization: Fertilize the plant once a year in the spring with a balanced fertilizer.Soil: The plant prefers well-draining soil that is slightly acidic.Sunlight: The plant prefers full sun but can tolerate partial shade.Hardiness Zones: Oenothera Macrocarpa can be grown in USDA hardiness zones 4 to 9.
Common Pests & Diseases
Oenothera Macrocarpa is generally a healthy plant that is not susceptible to many pests and diseases. However, it can be affected by powdery mildew, leaf spot, and rust. To prevent these diseases, make sure the plant is grown in well-draining soil and is not overwatered. If the plant does become infected, treat it with a fungicide.
Habitat
Oenothera Macrocarpa is native to North America and can be found in the central and western parts of the United States. It grows in prairies, meadows, and along roadsides. The plant prefers well-draining soil and can tolerate drought conditions.
Question and Answer
Q: What is the best time to plant Oenothera Macrocarpa?
A: The best time to plant Oenothera Macrocarpa is in the spring or fall.Q: How often should I fertilize Oenothera Macrocarpa?
A: Fertilize the plant once a year in the spring with a balanced fertilizer.Q: Can Oenothera Macrocarpa grow in containers?
A: Yes, Oenothera Macrocarpa can be grown in containers as long as the container has good drainage.Q: How often should I water Oenothera Macrocarpa?
A: Water the plant regularly during the growing season, but do not overwater.
Related Plants
Here are some related plants to Oenothera Macrocarpa:
- Oenothera missouriensis
- Oenothera caespitosa
- Oenothera speciosa
- Oenothera fruticosa
References
- “Oenothera Macrocarpa.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287676.
- “Oenothera Macrocarpa.” Plant Finder, www.plantdelights.com/products/oenothera-macrocarpa.
- “Missouri Evening Primrose.” Lady Bird Johnson Wildflower Center, www.wildflower.org/plants/result.php?id_plant=OEMA3.
