General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
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 7a -17.8 °C (0 °F) to -15 °C (5 °F)
Maximum recommended zone: Zone 11
Leaves: Evergreen
Flowers: Showy
Flower Time: Summer
Fall
Underground structures: Rhizome
Resistances: Deer Resistant
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Goes Dormant
Awards and Recognitions: RHS AGM

Image
Trade name information:
Trade Name: Indigo Frost™
Cultivar name: 'AMBIC001'
Common names
  • Lily of the Nile
Also sold as:
  • Ever Twilight
  • Twister

Photo Gallery
Location: Texas
Date: 2019-05-02
Agapanthus twister
Location: My Garden in PA
Date: 2021-07-26
Location: Santa Cruz Mountains, California
Date: 2022-07-29
aka 'Twister'
Location: My Garden.
Date: 2019-04-25
Lily of the Nile 'Indigo Frost'
Location: Santa Cruz Mountains, California
Date: 2023-07-31

Photo Courtesy of Secret Garden Growers.
  • Uploaded by Joy

Photo Courtesy of Secret Garden Growers.
  • Uploaded by Joy

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