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Pink evening primrose 'Siskiyu'
Oenothera specios
'Siskiyou'
The pink evening primrose 'Siskiyou' (Oenothera speciosa 'Siskiyou') is a perennial herbaceous plant belonging to the flowering shrub class. It has the following growth characteristics, propagation methods, cultivation methods, garden uses, and pest and disease control methods. Growth Characteristics - Scientific Name: Oenothera speciosa 'Siskiyou' - Flower Color: Pink - Flowering Period: Usually from May to September - Growing Environment: Prefers sunny locations but can grow well in partial shade. - Soil: Well-drained and fertile soil is suitable. - Growth Rate: Relatively fast, spreading outwards via rhizomes. Propagation Methods - Seeds: Seeds can be sown directly in spring or autumn, and germinate within about two weeks of sowing. - Division: Due to its rapid growth and tendency to form colonies, division is easy. Simply divide and replant appropriately in spring or autumn. Cultivation Method - Soil Preparation: Prepare soil rich in organic matter and with good drainage. - Sowing and Planting: Sow seeds directly in the open ground or purchase seedlings to plant. - Watering: It is resistant to drought; while regular watering is necessary during the initial establishment phase, it can withstand severe drought thereafter. - Weed Removal: Weed removal is crucial for initial establishment. Uses in Gardens - Can create beautiful landscapes as a boundary plant or through mass planting. - Creates natural flowerbeds or produces spectacular scenery by planting on slopes. - Suitable for placement in dry areas or at the front of flowerbeds. Important Pests and Diseases & Control Methods - Diseases: There are no specific diseases, but be cautious of root rot during the rainy season due to excessive moisture. - Pests: Generally resistant to pests, but leaf beetles or aphids can be controlled with insecticides if they occur. - Preventive Care: Maintain health through proper drainage management and periodic weed removal. Based on these characteristics, the pink evening primrose 'Siskiu' can be used in various ways to create a beautiful landscape in the garden.
Plant Type
Plant Family
Onagraceae
Height
15~20cm
Spread
30~60cm
Colors
pink
Bloom Period
May to July
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-30°C
Evening primrose
Oenothera macrocarpa
Pink Evening Primrose 'Rosea'
Oenothera speciosa 'Rosea'