Oenothera missouriensis
Missouri evening primrose
Evening primroses can be annuals, biennials or perennials. They have lance-shaped mid-green leaves, and four-petalled flowers that open in the evening in Summer and Autumn. 'Summer Sun' produces large, rich golden flowers through the summer and into early autumn. The flowers open in the late afternoon.
Contributed by @robbiec
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Full sun
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Very little water
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Full Frost Hardy: 5F (-15°C)
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Free draining
Common name
Missouri evening primrose
Latin name
Oenothera missouriensis
type
Flowering plant
family
Onagraceae
ph
5.5 - 7.0 Acid - Neutral
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Light
Full sun
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Frost
Full Frost Hardy: 5F (-15°C)
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Soil
Free draining
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Water
Very little water
Plant & bloom calendar
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Best time to plant
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When the plant will bloom
full grown dimensions
0.50 M
1.00 M
Oenothera missouriensis
Evening primroses can be annuals, biennials or perennials. They have lance-shaped mid-green leaves, and four-petalled flowers that open in the evening in Summer and Autumn. 'Summer Sun' produces large, rich golden flowers through the summer and into early autumn. The flowers open in the late afternoon.
Flowering Season
From Late Spring TO Early Summer
Produces terminal clusters of bright yellow four-petaled flowers in late spring
Plant container plants
From Mid Spring TO Mid Spring
Plant container plants in a sunny position.
Propagation by Seed
From Mid Spring TO Mid Spring
Fill a seed tray with seed compost, water and allow to drain. Sprinkle seeds over the surface allowing roughly 25mm space between seeds and cover with a thin layer of compost. Put tray in a clear polythene bag and place on a windowsill. When seedlings show remove plastic bag. When the second pair of leaves appear on the seedlings thin out to 50mm spacing by removing the weakest looking plants. After 2 or 3 weeks and when danger of frost has passed plants can then be planted outside into required position.
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