Ischyrolepis subverticillata (Restio, Broom Restio, Dune Restio)
Botanical Information
Family | Restionaceae |
Genus | Ischyrolepis |
Species | subverticillata |
Synonyms | Restio ferruginosus, Ischyrolepis subverticillata, Restio microstachys, Restio subverticillatus |
Category | Perennials |
Type | Shrub (evergreen) |
Origin | Native to South Africa. |
Details
USDA Hardiness Zone | 8 - 9 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | Requires cold season protection under glass. |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5 - H3 |
RHS Hardiness Ref. | |
Temperature (°C) | -10 - 1 |
Height | 1.5 m |
Spread | 1.5 m |
Flowering Period | March, April |
Description and Growing Information
General Description | It has a very distinctive growth form with cane-like stems, which have soft green whorls of modified branches at each node. |
Shape | Arching and clump-forming. |
Landscape | It can be planted in the garden but will also do well in a pot on a patio or on a terrace. |
Propagation | By division or seed. |
Cultivation | Grow in full sun or dappled shade, in moist, well-drained soil. Avoid planting in alkaline soils and plant in a spot with plenty of air movement. |
Notable Specimens | Glendurgan Garden, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Habitat | This species occurs naturally in the Betty’s Bay area from as close as 50 m from the sea to high up in the Kogelburg Nature Reserve where it can be found in full sun or light shade. |
Bark/Stem Description | Stems erect, 1.2 -1.5 m high, thick, terete, purple-spotted, and much branched. |
Leaf Description | Strong upright culms with very decorative feathery foliage arranged in whorls. |
Flower Description | Male and female flowers are produced on separate plants, the female flowers are white, the male flowers greenish-yellow. |
Fruit Description | Shiney brown nutlets. |