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2025 Seed Catalog

Missouri Evening Primrose - Oenothera macrocarpa

PR00828

Mis­souri

Evening Primrose Seeds

Oenothera macrocarpa syn. O. missouriensis

Certainly one of the most beautiful of evening primroses. Clear-yellow, paper-thin blossoms up to 5 in. across appear June to September. Sprawling plants grow to 12 in. tall. Leaves are soft and velvety. Winter hardy to zone 4. Grow Missouri evening primrose with gaillardia, Blue Queen salvia, Fuji Blue balloon flower, Blue Select fescue, and Telham Beauty campanula.

100 seeds - $3.75
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View all of our Evening Primrose varieties

Growing Mis­souri Evening Primrose Seeds

Bee introduces how to plant

Sow evening primrose seed in cell packs or flats, press into soil, barely cover. Kept at 70-75° F., germination is in 14-28 days. Can direct sow in groups of 4 seeds spaced 12-18 in. apart. Thin to the strongest seedling.

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Satisfaction Guarantee

We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.