common evening primrose (Oenothera biennis) plant — close-up photo
Moderate to grow

common evening primrose

Oenothera biennis

Overview

Common evening primrose (Oenothera biennis) is a tall, upright wildflower native to North America and Europe. It has long, lance-shaped leaves and yellow blossoms with four petals that open at night and close during the day. Each flower is cup-shaped and clustered in bunches at the top of the stem. Its stems and leaves are covered in fine hairs giving it a silvery sheen. Common evening primrose is traditionally used to soothe anxiety and promote relaxation. The plant is often utilized to make an herbal tea that acts as a sleep aid. The primrose's seeds can be eaten, utilized in herbal medicine, and are sometimes pressed for their oil. In the garden, common evening primrose makes a stunning addition due to its bright colors, long blooming period, and unique blooming pattern.

Care Guide

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Watering

Minimum — every "7-10" days.

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Light

Full sun.

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Soil

Sandy Loamy Rocky

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Temperature

Hardiness zone 4-9.

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Pruning

Best pruned in August.

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Propagation

Seed Propagation, Division, Cutting, Layering Propagation

Uses & Symbolism

Attracts: Birds, Butterflies.

Diseases & Pests

Common pests: Fungal leaf spot, Mildew, Pest resistant, Disease resistant, Drought resistant .

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