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Description
Oenothera Drummondii, also known as Drummond’s evening primrose, is a flowering plant native to North America. This biennial plant typically grows up to 3 feet tall and 2 feet wide. It produces bright yellow flowers that bloom at night and attract moths and other nocturnal pollinators. The plant blooms from June to August and sometimes into September.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Drummondii has lance-shaped leaves that are up to 6 inches long and 1 inch wide. The leaves are green and slightly hairy. The flowers are 2-3 inches in diameter and have four petals that form a cross shape. The petals are bright yellow and turn orange as they age. The flowers bloom at night and close during the day. The plant produces a capsule fruit that contains many small seeds.
Care Guide
Oenothera Drummondii is an easy plant to care for. It prefers well-drained soil and full sun but can tolerate partial shade. It is drought-tolerant but benefits from regular watering during dry periods. Fertilize the plant once a month during the growing season with a balanced fertilizer. The plant can grow in hardiness zones 3-10.
Common Pests & Diseases
Oenothera Drummondii is not susceptible to many pests or diseases. However, it can be affected by rust, powdery mildew, and leaf spot. These can be treated with fungicides. The plant can also be affected by aphids, spider mites, and whiteflies. These can be controlled with insecticidal soap or neem oil.
Habitat
Oenothera Drummondii is native to North America and can be found in prairies, meadows, and open woods. It prefers well-drained soil and full sun but can tolerate partial shade. The plant can grow in hardiness zones 3-10.
Question and Answer
Q: How often should I water Oenothera Drummondii?
A: This plant is drought-tolerant but benefits from regular watering during dry periods.
Q: What are the common pests and diseases that affect Oenothera Drummondii?
A: This plant can be affected by rust, powdery mildew, leaf spot, aphids, spider mites, and whiteflies.
Q: What is the blooming period of Oenothera Drummondii?
A: The plant blooms from June to August and sometimes into September.
Q: What is the ideal growing condition for Oenothera Drummondii?
A: This plant prefers well-drained soil and full sun but can tolerate partial shade. It can grow in hardiness zones 3-10.
Related Plants
- Oenothera biennis
- Oenothera fruticosa
- Oenothera macrocarpa
- Oenothera speciosa
References
- https://www.wildflower.org/plants/result.php?id_plant=OEDR
- https://www.gardeningknowhow.com/ornamental/flowers/evening-primrose/growing-drummonds-evening-primrose.htm
- https://www.thespruce.com/growing-primrose-for-beautiful-spring-flowers-1315790
