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Common evening primrose in the GardenTags plant encyclopedia

Oenothera biennissyn.Oenothera glabra syn.Oenothera odorata

 

Common 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.Oenothera Biennis is a biennial with narrow leaves. It has large lightly fragrant yellow cup-shaped flowers which open in the evening.

 
plant Features
  • Common evening primrose likes full sun

    Full sun

  • Common evening primrose likes very little water

    Very little water

  • Common evening primrose is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Common evening primrose likes free draining

    Free draining

 
plant information

Common name

Common evening primrose

Latin name

Oenothera biennissyn.Oenothera glabra syn.Oenothera odorata

type

Flowering plant

family

Onagraceae

ph

5.5 - 7.0 Acid - Neutral

  • Light

    Common evening primrose likes full sun

    Full sun

  • Frost

    Common evening primrose is full frost hardy: 5f (-15°c)

    Full Frost Hardy: 5F (-15°C)

  • Soil

    Common evening primrose likes free draining

    Free draining

  • Water

    Common evening primrose likes very little water

    Very little water

Plant & bloom calendar

  •  
    Best time to plant
  •  
    When the plant will bloom

full grown dimensions

The size of a fully grown Common evening primrose is 0.50meters x 1.00meters 0.50 M 1.00 M

Oenothera biennissyn.Oenothera glabra syn.Oenothera odorata

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.Oenothera Biennis is a biennial with narrow leaves. It has large lightly fragrant yellow cup-shaped flowers which open in the evening.


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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