Polygala myrtifolia
September Bush
Family |
Polygalaceae |
Genus |
Polygala |
Species |
myrtifolia |
Category |
Tropicals |
Type |
Shrub (deciduous) |
USDA Hardiness Zone |
9 |
Canadian Hardiness Zone |
Requires cool season protection under glass. |
RHS Hardiness Zone |
H4 - H3 |
Temperature (°C) |
-7 - (-1) |
Temperature (°F) |
20 - 30 |
Height |
1 - 2.5m |
General Description |
An erect shrub or small tree with many branches. |
Cultivation |
Grow in partial shade or sun in well drained, moist soil in the winter, and reduced moisture in the winter. |
Growth |
Fast |
Pests |
Whitefly may be a problem pest when the plants are grown under glass. |
Habitat |
Open woodlands, grasslands, evergreen forests, and coastal areas such as dunes and rocky shores. |
Leaf Description |
Leaves are 2.5 - 5 cm, alternating, and are elliptic-oblong or obovate in shape. |
Flower Description |
Flowers are large (13 - 18 mm) and rich purple in colour. Blooming at the end of short, terminal racemes, they close at night. |
Notable Specimens |
Tresco Abbey Garden, Tresco, Isles of Scilly, United Kingdom. |
Propagation |
Propagate through seed in the spring or by softwood or semi-ripe cuttings in a sandy propagating mix with a gentle bottom heat. |