General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 9b
Plant Height: 12 - 15 inches
Plant Spread: 12 - 15 inches
Leaves: Deciduous
Flowers: Showy
Flower Color: Yellow
Bloom Size: 2"-3"
Flower Time: Summer
Wildlife Attractant: Bees
Other Beneficial Insects
Resistances: Drought tolerant
Propagation: Seeds: Other info: Sterile
Propagation: Other methods: Cuttings: Tip
Division
Miscellaneous: Tolerates poor soil
Awards and Recognitions: Other: RHS Plants for Pollinators

Image
Common names
  • Sundrops

Photo Gallery
Location: Eagle Bay, New York
Date: 2014-07-06
Sundrops (Oenothera 'Crown Imperial'
Location: Eagle Bay, New York
Date: 2022-06-27
Sundrops (Oenothera 'Crown Imperial') stems and leaves, buds
Location: Breezy Knees garden, York, UK
Date: 2020-06-20
Location: Eagle Bay, New York
Date: 2014-07-06
Sundrops (Oenothera 'Crown Imperial' flowers
Location: Breezy Knees garden, York, UK
Date: 2020-06-20

« Add a new plant to the database

» Search the Oenotheras Database: by characteristics or by cultivar name

« See the general plant entry for Oenotheras (Oenothera)

« The Oenotheras Database Front Page

« The Plants Database Front Page

Today's site banner is by Visual_Botanics and is called "Bees and Butterflies"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.