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| __NOTOC__{{Plantbox | | __NOTOC__{{Plantbox |
| | name = ''Impatiens'' | | | name = ''Impatiens'' |
− | | common_names = Balsam, Touch-me-not, Snapweed, Jewelweed, Busy Lizzie | + | | common_names = Balsam, Touch-me-not, Snapweed, Jewelweed, Busy Lizzie, Patience plant |
− | | growth_habit = herbaceous | + | | growth_habit = herbaceous or subshrub |
| | high = ? <!--- 1m (3 ft) --> | | | high = ? <!--- 1m (3 ft) --> |
| | wide = <!--- 65cm (25 inches) --> | | | wide = <!--- 65cm (25 inches) --> |
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| | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc --> | | | hardiness = <!--- frost sensitive, hardy, 5°C (40°F), etc --> |
| | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers --> | | | bloom = <!--- seasons which the plant blooms, if it is grown for its flowers --> |
− | | usda_zones = ? <!--- eg. 8-11 --> | + | | usda_zones = 10+ (unless specified otherwise) |
| | sunset_zones = vary by species{{SSN}} | | | sunset_zones = vary by species{{SSN}} |
| | color = IndianRed | | | color = IndianRed |
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| | cultivar = | | | cultivar = |
| }} | | }} |
− | There are hundreds of species of Impatiens, though four are much more commonly grown in gardens than the rest{{SSN}}. Most are annuals, or perennials treated as annuals{{SSN}}. They are grown for their flowers, which continue until frost. When the seed capsules are ripe, they explode upon being lightly touched, shooting little seeds around.{{SSN}} | + | There are hundreds of species of Impatiens, though four are much more commonly grown in gardens than the rest{{SSN}}. Most are annuals, or perennials treated as annuals{{SSN}}. They are grown for their flowers, which continue until frost. When the seed capsules are ripe, they explode upon being lightly touched, shooting little seeds around.{{SSN}} Stems are usually succulent{{RHS}}, and flowers, which may be solitary or in groups, usually have 3 (or rarely 5) sepals{{RHS}}. In some species the lowest sepal is large and extended backwards into a spur{{RHS}}. |
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| Four most commonly grown: | | Four most commonly grown: |
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| ==Cultivation== | | ==Cultivation== |
− | {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line --> | + | Need moist soil, good drainage, humus-rich soil, as well as a cool site (except for I. mirabilis){{RHS}}. Perennials should be kept relatively dry in the winter dormancy period{{RHS}}. Pinch plants regularly if you want to keep them bushy{{RHS}}, otherwise some can get leggy. For tall-flowering I. balsamina shoots, remove the side shoots and initial flower buds{{RHS}}. |
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| + | Most are frost tender, but ''[[Impatiens glandulifera|I. glandulifera]]'', ''[[Impatiens noli-tangere|I. noli-tangere]]'' and ''[[Impatiens capensis|I. capensis]]'' can not only survive, but self-sow where winter temperatures drop to -15°C (5°F){{RHS}}. These species can also become invasive in ideal conditions. |
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| ===Propagation=== | | ===Propagation=== |
− | {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line --> | + | Seed can be short lived in some species{{RHS}}, sow as fresh as possible. Softwood cuttings can be taken of plants you like{{RHS}}. |
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| + | Seeds of frost-sensitive sorts should be planted under glass in spring, then picked out and planted in individual pots of loamless or loam of medium fertility{{RHS}}. Grow in a sunny, airy spot, free of frost, and pinch to keep compact{{RHS}}. Plant outdoors only after danger of frost is passed, and water well. |
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| + | Softwood cuttings can be taken in spring, and placed in soilless potting mix, best with some bottom heat{{RHS}}. |
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| ===Pests and diseases=== | | ===Pests and diseases=== |
| {{Main|List of impatiens diseases}} | | {{Main|List of impatiens diseases}} |
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− | ''Impatiens'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Dot Moth]]. | + | Red spider mites and aphids can be a problem, especially under glass{{RHS}}. Grey mold can cause flower buds to shrivel{{RHS}}. |
| + | ''Impatiens'' species are used as food plants by the [[larva]]e of some [[Lepidoptera]] species including [[Dot Moth]]{{wp}}. |
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| ==Species== | | ==Species== |
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| [[Image:ImpatiensGlandulifera-flower-sm.jpg|thumb|''Himalayan Balsam'']] | | [[Image:ImpatiensGlandulifera-flower-sm.jpg|thumb|''Himalayan Balsam'']] |
| [[Image:Potapsco_fg13.jpg|thumb|''Impatiens capensis'']] | | [[Image:Potapsco_fg13.jpg|thumb|''Impatiens capensis'']] |
− | There are about 900-1000{{wp}} species of Impatiens, including: | + | There are about 850{{RHS}} species of Impatiens, including: |
| <div float="left"> | | <div float="left"> |
| {{col-begin|width=70%}} | | {{col-begin|width=70%}} |