Evening Primrose, Evening Star, King&

Evening Primrose, Evening Star, King's cure-all

Oenothera biennis

An early-blooming perennial that delivers bright spring colour in containers, borders, and shady plantings.

  • Fragrant yellow saucer-shaped flowers appear on tall stalks
  • Blooms open at dusk and close by noon of the following day
  • Lance-shaped, slightly serrated, mid-green leaves
  • Self-seeding Biennial
Size
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Plant Characteristics

Sunlight
Full sun
Soil Moisture
Well-drained, Moist, Average
Drought Tolerant
Hardiness Zone
4 – 4
Mature Height (meters)
1.0 – 1.5
Mature Spread (meters)
0.3 – 0.45
Growth Rate
Fast
Flower Colour
Yellow
Foliage Colour
Green
Bloom Time
SummerFall
Habit
Upright
Deer Resistant
Rabbit Resistant
Pollinator Friendly
Ontario Native
Fragrant
Landscape Uses
Border, Mass planting, Accent
Growing & Maintenance Tips
Thrives in full sun with average moisture in a somewhat sandy soil. Can be found along roadsides, in abandoned fields, slopes, vacant lots and ditches.
Notes
Native to Ontario Its roots during the first year of growth are edible and the seeds are important as bird feed. Seeds can remain viable in the soil for up to 70 years.

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