Rosa 'Chulalongkorn' (Culalongkorn Rose)
Botanical Information
| Family | Rosaceae |
| Genus | Rosa |
| Cultivar | 'Chulalongkorn' |
| Category | Perennials |
| Type | Shrub (deciduous) |
| Origin | Originated in England and was cultivated in Chiang Mai by 'Princess Dara Rassamee' as a symbol of love and loyalty for the King of Siam (Thailand) and to lay the foundation for a commercially based rose cultivation industry in the North of Thailand. |
Details
| USDA Hardiness Zone | 5 - 11 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 6 - 9b |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H7 - H1c |
| RHS Hardiness Ref. | |
| Temperature (°C) | -20 - 10 |
| Growth | Fast |
| Flowering Period | April, May, June |
Description and Growing Information
| General Description | A thorn-free, large pink rose with a pleascent scent. |
| Landscape | Borders, hedges, flower beds, containers, and cut flowers. |
| Propagation | Softwood cuttings can be taken once the first bloom occurs in spring to summer, hardwood cuttings should be taken in autumn. In temperate climates it is budded. |
| Cultivation | Full sun, moist and well drained soil. Suckers should be removed annually. |
| Pests | Aphids, leafhoppers, spider mites, scale insects, caterpillars, mildew, dieback, canker, viruses, rust and rose slugs. |
| Notable Specimens | Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand. |
| Habitat | Horticultural origin. |
| Leaf Description | Light green, odd-pinnate. |
| Flower Description | Large pink scented blooms. |
Photographs
Rosa 'Chulalongkorn', form, Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand.
Rosa 'Chulalongkorn', flower, Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand.