秋海棠
Begonia grandis subsp. evansiana
植物簡介
A tuberous perennial about 50cm in height, with asymmetric, notched olive-green leaves to 10cm long, pale green or sometimes reddish beneath, and nodding clusters of slightly fragrant pale pink or white flowers 2-3cm across, on long reddish stems in summer
屬描述
Begonia can be annuals, evergreen or deciduous perennials or shrubs, with fibrous, tuberous or rhizomatous roots and usually asymmetrical leaves, often strikingly patterned, and small or large flowers, both male and female in the same cluster
生長條件
半日照
東向、西向、北向
壤土、砂質
排水良好 · 酸性、中性
全台適種
H2｜最低耐溫 1-5°C
0.1-0.5 公尺
冠幅 0.1-0.5 公尺 · 2-5 年
照顧指南
Thrives in fertile, humus-rich, well-drained neutral to acid soil, in dappled or afternoon shade. May need winter protection in colder regions, and can be slow to start in spring. Will not tolerate waterlogging. See begonias: outdoors for further information
No pruning required
Propagate by basal softwood cuttings in spring, or by seed; plants will often self-seed, dropping tiny bulblets from the stems in late summer
May be susceptible to caterpillars, mealy bugs, mites, glasshouse thrips, vine weevil and aphids May be susceptible to grey moulds (botrytis), powdery mildews and stem rot
適合場景
延伸閱讀
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