Contents
Description
Oenothera Fruticosa Subsp. Glauca, commonly known as the narrow-leaved evening primrose, is a flowering perennial plant that belongs to the Onagraceae family. It is native to North America and can be found in rocky and sandy habitats, including prairies, open woods, and fields. This plant is known for its showy yellow flowers that bloom from June to August, attracting various pollinators such as bees and butterflies.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Fruticosa Subsp. Glauca has narrow, lance-shaped leaves that are bluish-green in color and grow up to 10 cm long. The plant can reach a height of 60 to 90 cm and has a spread of up to 60 cm. The showy yellow flowers have four petals and bloom on spikes that can grow up to 30 cm long. The flowers open in the evening and close in the morning, giving rise to the common name “evening primrose”. The plant produces a capsule fruit that contains many small seeds.
Care Guide
Oenothera Fruticosa Subsp. Glauca is a low maintenance plant that requires full sun to partial shade and well-drained soil. It is drought tolerant and can survive in poor soil conditions. However, it is important to ensure that the plant is not overwatered as it can lead to root rot. Fertilization is not necessary, but a light application of compost or balanced fertilizer in early spring can help promote growth. The plant is hardy in USDA zones 5 to 9.
Common Pests & Diseases
Oenothera Fruticosa Subsp. Glauca is generally not prone to pests or diseases. However, it can occasionally be affected by fungal diseases such as rust and powdery mildew. To prevent these diseases, it is important to ensure good air circulation around the plant and avoid overhead watering. Aphids and spider mites can also infest the plant, but can be controlled with insecticidal soap or neem oil.
Habitat
Oenothera Fruticosa Subsp. Glauca is native to North America and can be found in rocky and sandy habitats, including prairies, open woods, and fields. It is adapted to a wide range of soil types and can tolerate drought conditions. The plant is also commonly used in landscaping for its attractive yellow flowers and low maintenance requirements.
Question and Answer
Q: Can Oenothera Fruticosa Subsp. Glauca be grown in containers?
A: Yes, the plant can be grown in containers as long as they are large enough to accommodate the plant’s root system and soil requirements.
Q: How often should Oenothera Fruticosa Subsp. Glauca be watered?
A: The plant is drought tolerant and should only be watered when the soil is dry to the touch. Overwatering can lead to root rot.
Q: Does Oenothera Fruticosa Subsp. Glauca require pruning?
A: The plant does not require pruning, but deadheading the spent flowers can help promote continued blooming.
Q: How long does the blooming season of Oenothera Fruticosa Subsp. Glauca last?
A: The blooming season typically lasts from June to August.
Related Plants
- Oenothera biennis (Common evening-primrose)
- Oenothera caespitosa (Tufted evening-primrose)
- Oenothera fruticosa (Sundrops)
- Oenothera macrocarpa (Missouri evening-primrose)
References
- “Oenothera fruticosa subsp. glauca”, Missouri Botanical Garden, accessed August 2021.
- “Oenothera fruticosa subsp. glauca”, Plant Finder, accessed August 2021.
- “Oenothera fruticosa subsp. glauca”, North Carolina State University, accessed August 2021.
