Photo of Dianella tasmanica berries by Dancing Oaks Nursery

Photo by Dancing Oaks Nursery

Used with permission, all rights reserved

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Dianella tasmanica

Also Known As

  • Dianella archeri
  • Dianella densa
  • Dianella divaricata
  • Dianella hookeri
  • Blue Flax Lily
  • Tasmanian Flax-Lily

Plant type

perennial

size

  • H: 2'-40"
  • W: 12"

planting zones

  • 7a-9b

More Options

Dianella tasmanica plant details

Dianella tasmanica is a broadleaf evergreen perennial with green foliage. In spring and summer blue flowers emerge followed by blue fruit. Grows well with sun - mostly shade and even moisture - regular water. Prefers to be dry in summer. Does well in gritty, rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Dianella tasmanica

Plant type: perennial
Plant family: asphodelaceae
Foliage: evergreen green
Mature size: 12 IN wide, 2 FT - 40 IN - tall
Flowers: blue blooms in spring and summer

GROWING CONDITIONS for Dianella tasmanica

USDA Zones: 7a - 9b
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: verticillium wilt
Soil needs: gritty, rich and well-drained

Nursery contributed plant descriptions

This Australian flax is reminiscent of the New Zealand phormiums, but on a greatly reduced scale. Plants form handsome, evergreen clumps of upright, slightly arching strap-like blades to 3', and send up branching sprays of blue or violet star-shaped blooms in spring and early summer. Plant in sun or part shade in well-drained, fertile soil and provide moderate water. Hardy to 10F. Southeastern Australia, including Tasmania.
Panicles of starry blue flowers followed by amazing capsule-like blue fruit. Dark green evergreen leaves up to 2' tall give it the name flax lily.

Gardening facts about Dianella tasmanica plant

How to Grow Dianella tasmanica

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture - regular
  • Water Needs

    • dry in summer
  • Soil Needs

    • well-drained
    • rich
    • gritty
  • Special Situation

    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • blue
  • Fruit

    • blue
  • Flower Season

    • summer
    • spring
  • Foliage Season

    • evergreen

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