planting evening primrose seeds Oenothera biennis

planting evening primrose seeds Oenothera biennisEvening Primrose is an erect native biennial or occasionally perennial wildflower rising up to 6 feet in height on a generally unbranched stem. The stem is green with some reddish tones, ridged and usually pubescent. The somewhat fragrant yellow flowers open in the evening and close by noon. The plant has a branching taproot and spreads most often by reseeding. It grows best in full sun and a medium to dry soil moisture. Adaptable to many areas such

Evening Primrose is an erect native biennial or occasionally perennial wildflower rising up to 6 feet in height on a generally unbranched stem. The stem is green with some reddish tones, ridged and usually pubescent.

The somewhat fragrant yellow flowers open in the evening and close by noon.

The plant has a branching taproot and spreads most often by reseeding. It grows best in full sun and a medium to dry soil moisture.

Adaptable to many areas such as roadsides, banks, open fields and prairies. Found throughout the United States and Canada.

How To Plant Evening Primrose Seeds:

Direct sow seeds into prepared soil in late fall once soil temps are below 50 degrees (usually mid to late November). Can also be planted in winter during natural freeze / thaw cycles and early spring. Plant shallow, no deeper than 1/8 to 1/4 inch deep and lightly rake to work seed in. Plant in full sun. Can take three growing seasons to fully establish. 

Seed Info

Seed Envelopes contain approximately 0.02 ounces of seed and cover about 5 to 10 square feet. 

Product Details 

Flower Color: Yellow

Height: 3 to 6 Feet

Light Requirements: Full Sun to Shade

Soil Hydrology: Dry to Mesic Soils

Bloom Time: June to September

Plant Type: Biennial

Stratification: None 

Attracts: Moths, Birds, Hummingbirds

Product Code: OEN01F