Catharanthus roseus
Madagascar Periwinkle, Old Maid, Cayenne Jasmine, Rose Periwinkle
Family |
Apocynaceae |
Genus |
Catharanthus |
Species |
roseus |
Category |
Annuals, Perennials, Tropicals |
Synonyms |
Vinca rosea |
USDA Hardiness Zone |
10 - 11 |
Canadian Hardiness Zone |
Requires cool season protection under glass. |
RHS Hardiness Zone |
H1c |
Temperature (°C) |
5 - 10 |
Height |
15 - 46 cm |
Spread |
15 - 46 cm |
General Description |
Catharanthus roseus or Madagascar Periwinkle is a tender perennial with attractive bushy foliage and profuse tubular flowers. |
Landscape |
Gravel garden, garden edging, ground cover, and city garden. |
Cultivation |
Grow under glass in a loam-based potting compost with full light and good ventilation. Can be grown outside but requires moist, well-drained soil. |
Shape |
Short, upright to bushy. |
Growth |
Fast |
Pests |
Glasshouse red spider mite and glasshouse whitefly may be a problem. |
Leaf Description |
2.5 - 5 cm, elongated with broad, rounded end like a spoon, green, smooth, shiny with a pale midrib. |
Flower Description |
Showy, phlox-like, rosy pink to red with mauve throats, five flattened petal-like lobes, appear singly in the upper leaf axils, to 3.75 cm across, tube 2.3 - 3 cm. Cultivar colours include pale pink, hot pink, red, lilac and white. |
Fruit Description |
To 3.75 cm. |
Notable Specimens |
Chelsea Physic Garden, London, United Kingdom. |
Propagation |
By seed planted under glass in late winter / early spring. Germination takes around 15 - 20 days at 21°C . In summer by green-wood or semi-ripe cuttings rooted in a closed case with bottom heat. Pot on young plants singly and grow on at 13 - 16°C n a humid atmosphere. |