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. |
Photographs
Libertia grandiflora, flower cluster, Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Awards
