Branching Grass-Flag

(Libertia paniculata)

Branching Grass-Flag (Libertia paniculata)

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Climate Requirements

Precipitation 34" - 52"
High Temp. 74°F - 81°F
Low Temp. 37°F - 45°F

Summary

Libertia paniculata, commonly known as Branching Grass-Flag, is an evergreen perennial herb native to open forests, grasslands, and along stream banks in Eastern Australia. It typically grows to a height and width of approximately 2 feet (0.6 meters), forming clumps of upright, sword-shaped leaves. The plant produces clusters of small, white, iris-like flowers atop slender stems in late spring to early summer, which are moderately showy and attract pollinators. After flowering, it may produce ornamental seed pods that add interest to the garden.

Branching Grass-Flag is valued for its architectural foliage and low maintenance requirements, making it a suitable choice for modern and informal gardens, as well as for mass plantings and borders. It is drought-tolerant once established and can handle a range of soil types, though it prefers well-drained soils. It thrives in both part shade and full sun, but in hotter climates, some afternoon shade is beneficial. This plant is generally disease-free but can be affected by snails and slugs.CC BY-SA 4.0

Plant Description

  • Plant Type: Grass
  • Height: 1.5-2.5 feet
  • Width: 1-1.5 feet
  • Growth Rate: Moderate
  • Flower Color: White
  • Flowering Season: Spring
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Drainage: Medium

Common Uses

Bird Garden, Butterfly Garden, Deer Resistant, Low Maintenance

Natural Habitat

Open forests, grasslands, and along stream banks in Eastern Australia

Other Names

Common Names: Grass Flag

Scientific Names: Libertia paniculata, Sisyrinchium paniculatum, Renealmia paniculata, Nematostigma paniculatum, Sisyrinchium paniculatum addenda, Tekel paniculata, Tekelia paniculata

GBIF Accepted Name: Libertia paniculata (R.Br.) Spreng.