Impatiens walleriana (Busy Lizzie, Balsam, Sultana, Impatients)
Botanical Information
| Family | Balsaminaceae |
| Genus | Impatiens |
| Species | walleriana |
| Synonyms | Impatiens sultanii |
| Category | Annuals |
| Origin | Native to eastern Africa from Kenya to Mozambique. |
Details
| USDA Hardiness Zone | 10-11 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | Requires cold season protection under glass. |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H1C |
| RHS Hardiness Ref. | |
| Temperature (°C) | Above 4.5 |
| Temperature (°F) | Above 40 |
| Height | 0.1 - 0.5 metres |
| Spread | 0.1 - 0.5 metres |
Description and Growing Information
| General Description | Spreading plants, grown as an annual, to 0.5 metres in height, with single flowers in shades of pink. |
| Shape | Spreading. |
| Landscape | Flower borders, beds and container plants. |
| Propagation | By seed or softwood cuttings. |
| Cultivation | Grow in a humus-rich, moist but well-drained soil in partial shade with shelter from wind. |
| Pests | Aphids, glasshouse red spider mite and vine weevil. |
| Notable Specimens | Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand. |
| Leaf Description | The leaf blade is alternate, ovate to broadly elliptic, sometimes obovate, 5 - 25 cm long and 5 - 10 cm wide, green and sometimes spotted or pink or reddish on the underside. |
| Flower Description | Single flowers in shades of pink, 2–5 cm diameter, with five petals and a 1 cm spur. |
Photographs
Impatiens walleriana, flower, Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand.
Impatiens walleriana, flower, Queen Sirikit Botanic Garden, Mae Rim District, Chiang Mai Province, Thailand.