Platanthera chlorantha
Greater butterfly orchid, Greater butterfly-orchid
Platanthera Platanthera
P. chlorantha - P. chlorantha is a terrestrial, deciduous orchid with a pair of glossy, broadly elliptic, mid-green basal leaves and, in summer, an erect, open, spike-like raceme of fragrant, spurred, white flowers, each with long, narrow, green-tipped lower lip.
Platanthera chlorantha is: Deciduous
Erect flower stem
White, Flushed green in Summer
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
Deadhead faded flowers spikes. Avoid fertilisers and fungicides as these can destroy the symbiotic relationship between the orchid and a soil-dwelling fungus that allows the orchid to absorb sufficient nutrients from the soil.
Separate offsets in autumn.
Division, Seed
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Platanthera chlorantha (Greater butterfly orchid) will reach a height of 0.6m and a spread of 0.15m after 2-5 years.
Rock, Greenhouse, Cottage/Informal, Beds and borders, Wildflower, Woodland
Best in moist but well-drained, neutral to alkaline soil in light shade. Enrich soil with leaf mould. Will tolerate full sun and most soils and situations.
Chalky, Loamy, Sandy
Moist but well-drained
Alkaline, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Platanthera chlorantha
Greater butterfly orchid, Greater butterfly-orchid
Platanthera Platanthera
P. chlorantha - P. chlorantha is a terrestrial, deciduous orchid with a pair of glossy, broadly elliptic, mid-green basal leaves and, in summer, an erect, open, spike-like raceme of fragrant, spurred, white flowers, each with long, narrow, green-tipped lower lip.
Europe, Morocco
Deciduous
Erect flower stem
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White, Flushed green in Summer
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
Deadhead faded flowers spikes. Avoid fertilisers and fungicides as these can destroy the symbiotic relationship between the orchid and a soil-dwelling fungus that allows the orchid to absorb sufficient nutrients from the soil.
Separate offsets in autumn.
Division, Seed
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Platanthera chlorantha (Greater butterfly orchid) will reach a height of 0.6m and a spread of 0.15m after 2-5 years.
Rock, Greenhouse, Cottage/Informal, Beds and borders, Wildflower, Woodland
Best in moist but well-drained, neutral to alkaline soil in light shade. Enrich soil with leaf mould. Will tolerate full sun and most soils and situations.
Chalky, Loamy, Sandy
Moist but well-drained
Alkaline, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5
Platanthera chlorantha (Greater butterfly orchid)
Orchidophilus spp.
Insect
Absent
3
4
A pest of orchids spreading in trade. Currently absent from the UK and unlikely to establish outdoors. Could cause severe damage to hosts growing in protected cultivation.
Platanthera chlorantha (Greater butterfly orchid)
Rice leaf nematode; Strawberry crimp disease nematode; White tip nematode; White tip nematode of rice
Aphelenchoides besseyi
Nematode
Absent
2
3
Damaging nematode affecting rice crops and strawberry production in warmer climates; could potentially present a threat to strawberry production and ornamental production in protected environments. But modern production practices seem to reduce likelihood of impacts. Pest is also regulated at EU level; which reduces likelihood of entry.
Platanthera chlorantha (Greater butterfly orchid)
common blossom thrips; cotton bud thrips; tomato thrips
Frankliniella schultzei
Insect
Absent
2
3
Polyphagous glasshouse pest; present in many countries; single finding in UK.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Chalky, Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained | Tell us... |
Soil pH: | Alkaline, Neutral | Tell us... |
Light: | Partial Shade, Full Sun | Tell us... |
Aspect: | South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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