Oenothera tetragona Summer Solstice


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Plant Code: OESS

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Bright clear yellow flowers. Leaves have burgundy tints, especially in cool weather and red stems. Oenothera Summer Solstice spreads to form an attractive mass, but is not as invasive as other Sun Drops can be. Great choice for a mass planting in a hot dry area. Very attractive.


Type: Perennials
Height: Medium 24"
Spacing: Plant 18-24" apart
Bloom Time: Early Summer to Late Summer
Sun-Shade: Full Sun to Mostly Sunny
Zones: 4-9   Find Your Zone
Soil Condition: Normal, Sandy, Clay
Flower: Yellow
Accent: Yellow
Pot Size: 3.5" square x 4" deep

Features to Note

  • Deer Resistant
  • Hot Dry Site Tolerant
  • Long-Blooming

Oenothera General Information

Oenothera are spikes of colorful cup-shaped flowers that open with the new day. These colorful varieties make fine additions to borders and rock gardens alike. Avoid wet feet. Fills in rapidly so give it plenty of room. Not fussy as to soil type. Idaho has restricted all potted plant material from being shipped into Idaho at this time.

Oenothera Plant Care

This trouble-free plant is tolerant of poor, dry soil and self sows readily. After flowering, can be sheared back by 1/3 and shaped for nice form in the garden. Can be divided in spring or fall every 4 - 5 years or as needed to control spread.