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Description
Oenothera Hartwegii Subsp. Hartwegii is a species of flowering plant native to North America. It is a perennial plant that belongs to the Onagraceae family. The plant is commonly known as Hartweg’s evening primrose or Hartweg’s sundrops. The plant is known for its beautiful yellow flowers that bloom in the summer months. The plant is easy to grow and can be a great addition to any garden.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Myrtales |
| Family | Onagraceae |
| Genus | Oenothera |
Appearance
Oenothera Hartwegii Subsp. Hartwegii has a height of about 1 to 2 feet and a spread of 1 to 2 feet. The plant has a clump-forming habit and has a deep taproot. The leaves of the plant are lance-shaped, and they are about 2 to 4 inches long. The leaves are green in color and have a slightly hairy texture. The plant produces beautiful yellow flowers that are about 2 inches in diameter. The flowers have four petals and a central stigma. The flowers bloom in the summer months and have a sweet fragrance.
Care Guide
Oenothera Hartwegii Subsp. Hartwegii is an easy-to-care-for plant. Here are some tips to help you take care of your plant:
Water: The plant needs regular watering. Ensure that the soil is moist but not waterlogged.
Fertilization: The plant does not require excessive fertilization. You can fertilize the plant once a month using a balanced fertilizer.
Soil: The plant prefers well-drained soil that is rich in organic matter. The soil should be slightly acidic to neutral.
Sunlight: The plant prefers full sunlight. Ensure that the plant receives at least 6 hours of direct sunlight every day.
Hardiness Zones: The plant can grow in hardiness zones 4 to 9.
Common Pests & Diseases
Oenothera Hartwegii Subsp. Hartwegii is relatively pest and disease resistant. However, the plant can be affected by spider mites, aphids, and powdery mildew. You can control these pests and diseases by regularly inspecting your plant and applying appropriate treatments.
Habitat
Oenothera Hartwegii Subsp. Hartwegii is native to North America. The plant is commonly found in meadows, prairies, and open woodlands. The plant prefers well-drained soil and full sunlight.
Question and Answer
Q: Can Oenothera Hartwegii Subsp. Hartwegii grow in containers?
A: Yes, the plant can grow in containers. However, ensure that the container is large enough to accommodate the plant’s deep taproot.
Q: How often should I water my Oenothera Hartwegii Subsp. Hartwegii?
A: Water the plant regularly to ensure that the soil is moist but not waterlogged.
Q: Can Oenothera Hartwegii Subsp. Hartwegii survive in cold weather?
A: The plant can grow in hardiness zones 4 to 9. However, it may require extra protection during cold weather.
Q: Can I propagate Oenothera Hartwegii Subsp. Hartwegii from cuttings?
A: Yes, you can propagate the plant from cuttings. Take a stem cutting and plant it in well-drained soil. Ensure that the soil is moist and keep the cutting in a shaded area until it establishes roots.
Related Plants
Here are some related plants to Oenothera Hartwegii Subsp. Hartwegii:
- Oenothera biennis (Common evening primrose)
- Oenothera lamarckiana (Lamarck’s evening primrose)
- Oenothera fruticosa (Narrowleaf evening primrose)
- Oenothera erythrosepala (Red-sepal evening primrose)
References
- https://www.gardenia.net/plant/oenothera-hartwegii-subs-hartwegii-hartwigs-sundrops
- https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a749
- https://www.highcountrygardens.com/perennial-plants/oenothera/oenothera-hartwegii-sun-drop
