Ceratostigma plumbaginoides
Dwarf Plumbago, Blue Leadwood, Leadwort
Family |
Plumbaginaceae |
Genus |
Ceratostigma |
Species |
plumbaginoides |
Category |
Perennials |
Pronunciation |
USDA Hardiness Zone |
5 |
Canadian Hardiness Zone |
4 - 6a |
RHS Hardiness Zone |
H7 - H5 |
Temperature (°C) |
-20 to -15 |
Temperature (°F) |
-20 - (-10) |
Height |
15 - 30 cm |
Spread |
30 - 38 cm |
General Description |
Low-growing herbaceous perennial. |
Landscape |
Banks, slopes, city, cottage/informal, beds, borders, and Mediterranean landscapes. |
Cultivation |
Plant in moderately fertile, moist but well-drained soil in full sun. It is slow to emerge in the spring. |
Shape |
Mat-forming, spreading. |
Growth |
Medium |
ID Characteristic |
A dense mat of stems carrying oval leaves and blue flowers. |
Pests |
Powdery mildew. |
Leaf Description |
Oval leaves which turn red or purple in autumn. |
Flower Description |
Bright blue flowers in late summer where the nectar is particularly attractive to butterflies. |
Notable Specimens |
The A. M. Cuddy Gardens, Strathroy, Ontario, Canada. Royal Botanical Gardens, Burlington, Ontario, Canada. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Propagation |
Propagate by division, cutting or by layering. |