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Description
Oenothera Fruticosa, commonly known as sundrops, is a flowering plant that belongs to the Onagraceae family. This native North American plant is a perennial that grows to be anywhere from 1-3 feet tall and 1-2 feet wide. Sundrops bloom in the summer months and produce yellow, four-petaled flowers that are approximately two inches in diameter.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Sundrops have lance-shaped leaves that are up to four inches long and one inch wide. The leaves are a medium green color and grow in a basal rosette at the base of the plant. As the plant matures, the leaves become more narrow and elongated. The stems of the plant are green and slightly hairy. The flowers are bright yellow and have four petals that are arranged in a cross shape. Sundrops bloom in the summer months and produce many flowers at one time.
Care Guide
Sundrops are relatively easy to care for and require minimal maintenance. They prefer well-draining soil and full sun exposure. Sundrops require regular watering, especially during dry periods. Fertilizing the plant once a month during the growing season will help promote healthy growth. Sundrops are hardy in USDA zones 5-9.
Common Pests & Diseases
Sundrops are relatively pest-free but can be susceptible to aphids and spider mites. These pests can be controlled with insecticidal soap. Sundrops can also be susceptible to powdery mildew, which can be prevented by spacing plants properly and providing adequate air circulation.
Habitat
Sundrops are native to North America and can be found in a variety of habitats, including prairies, meadows, and open woodlands. They prefer well-draining soil and full sun exposure. Sundrops are an excellent choice for a pollinator garden as they attract bees and butterflies.
Question and Answer
Q: How often should I water my sundrops?
A: Sundrops require regular watering, especially during dry periods. Water the plant once a week or more as needed.
Q: What is the best time to plant sundrops?
A: Sundrops should be planted in the spring after the threat of frost has passed.
Q: How do I propagate sundrops?
A: Sundrops can be propagated by division in the spring or fall.
Q: Are sundrops poisonous to pets?
A: Sundrops are not toxic to pets.
Related Plants
- Oenothera biennis
- Oenothera macrocarpa
- Oenothera missouriensis
References
- https://www.gardeningknowhow.com/ornamental/flowers/sundrops/growing-sundrop-plants.htm
- https://www.wildflower.org/plants/result.php?id_plant=OEFR2
- https://www.fs.fed.us/wildflowers/plant-of-the-week/oenothera_fruticosa.shtml
