Libertia grandiflora (Libertia, New Zealand Iris, New Zealand Satin Flower)
Botanical Information
Family | Iridaceae |
Genus | Libertia |
Species | grandiflora |
Synonyms | Libertia orbicularis |
Category | Perennials |
Origin | Native to New Zealand. |
Details
USDA Hardiness Zone | 8a - 11 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | Requires cold season protection under glass. |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5 - H1c |
RHS Hardiness Ref. | |
Temperature (°C) | (-12.2) to above 4.5 |
Temperature (°F) | 10 - 40 |
Height | 90 cm |
Spread | 60 cm |
Flowering Period | May, June |
Description and Growing Information
General Description | A perennial, bearing slender, upright stems of white flowers above sword-shaped foliage. |
Propagation | By seed or division of rhizomes. |
Cultivation | Grow in sunny, sheltered location with protection from winter frosts. |
Notable Specimens | Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Bark/Stem Description | Connected by narrow stolons. |
Leaf Description | Narrow, dark-green, grass-like leaves. |
Flower Description | White, bowl-shaped flowers, 2-3 cm across, carried on erect stems. |
Fruit Description | Round seed pods turn black when mature. |