New Zealand Flax (Phormium colensoi 'Black Adder')

Botanical names:
Phormium colensoi Accepted
Phormium cookianum Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Wet
Wet Mesic
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 8b -9.4 °C (15 °F) to -6.7 °C (20 °F)
Maximum recommended zone: Zone 11
Plant Height: 3 to 4 feet
Plant Spread: 2 to 3 feet
Leaves: Evergreen
Other: slightly glossy dark blackish-purple
Flower Color: Red
Bloom Size: 1"-2"
Flower Time: Late spring or early summer
Summer
Underground structures: Rhizome
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Salt tolerant
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Patent/Plant Breeders' Rights: PP20,451

Photo courtesy of Annie's Annuals and Perennials

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