Evening Primrose Elata

Oenothera elata

Characteristics of Oenothera elata

Growth Characteristics:
- Oenothera elata is a perennial herbaceous plant native primarily to North America.
- It generally grows up to 1 to 2 meters tall and blooms with yellow flowers from summer to early autumn.
- It has a strong root system, allowing it to grow relatively well even in dry environments.

Propagation Methods:
- It is primarily propagated by seeds, which are sown in spring or autumn.
- After planting the seeds, lightly cover them with soil and water thoroughly.
- Propagation is also possible through root division. Divide and plant the roots in spring or autumn.

Cultivation Methods:
- Oenothera elata thrives in well-drained soil. Sandy or gravelly soils are also suitable.
- It grows well in sunny locations, so it is recommended to plant it in a spot with ample sunlight.
- While it is resistant to dry conditions, it grows even better if adequate moisture is provided during the growing season. Garden Use:
- It is used as a tall plant in the garden and is excellent for use as a background plant.
- The yellow flowers are well-suited for wildflower gardens or naturalistic gardens.
- It is also used in ecological gardens as it attracts bees and butterflies.

Important Pests and Control Methods:
- Evening Primrose elata is relatively resistant to pests and diseases, but aphids or leaf beetles may occasionally occur.
- If pests or diseases occur, using organic insecticides or removing them by hand is effective.
- Root rot can occur due to overwatering, so care must be taken to ensure good drainage.

Plant Family	Onagraceae
Height	90~150cm
Spread	60~90cm
Colors	yellow
Bloom Period	June to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Evening primrose
Oenothera caespitosa

Blue-leaved yellow evening primrose
Oenothera fruticosa subsp. glauca