General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: 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 7b -15 °C (5 °F) to -12.2 °C (10 °F)
Maximum recommended zone: Zone 9b
Plant Height: 24-36 inches
Plant Spread: 24-30 inches
Leaves: Evergreen
Semi-evergreen
Other: Arching, sword shaped pale green leaves have numerous bristle-like teeth along the margins.
Flowers: Showy
Flower Color: White
Other: Bloom spike to 6 feet in height bears umbels of silvery-white to greenish-white flowers.
Bloom Size: 1"-2"
Uses: Cut Flower
Dried Flower
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Miscellaneous: Tolerates poor soil
With thorns/spines/prickles/teeth

Image
Common names
  • Sea Holly

Photo Gallery
Location: Raulston Arboretum  NC State Univ  Raleigh, NC
Date: 2024-02-13
Location: RHS Hyde Hall, Essex, UK.
Date: 2022-08-09
Location: RHS Hyde Hall, Essex, UK.
Date: 2022-08-09
Location: Cambridge University Botanic Garden
Date: August
credit: Keith Edkins

« Add a new plant to the database

« The Plants Database Front Page

Today's site banner is by adknative and is called "Poly Wants to Play"

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