Scottish Rock Garden Club Forum
Specific Families and Genera => Pleione and Orchidaceae => Topic started by: mark smyth on June 02, 2012, 10:38:06 PM
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After many years of growing Dactylorhizas I would like to move to greenhouse orchids or some that can be grown in troughs or raised beds.
Can someone suggest some?
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Mark,
this is a pretty big area with so many options - will the greenhouse have any form of heat?
David
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better to say no heat although I have heating cables .... hardy orchids then
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Mark,
I'm sure that there are others who have more ideas than myself. I have a cold greenhouse and grow a few hardy orchids - the various colour forms of Ponerorchis graminifolia are good as well as the more usual array of hybrid pleiones. It is too hot for cyps unless you have a very heavily shaded house. I grow mine on the north side of the house,
Regards,
David
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Hello Mark;
I would also stress the word ventilation, especially in summer!
Most Chinese Cyps. appreciate a rather dry winter - rather easy in a cold greenhouse.
There are quite a few Chinese and Japanese Calanthes, that should be hardy in your climate.
Pleiones are worth a try - a friend of mine has overwintered forrestii outside with some protection here in Austria 2 times, but last winter with -19C was too much. But formosana and bulbocodioides at least should work, and of course limprichtii.
Then there are Bletillas apart from striata
Cymbidium goeringii
If you supply some extra heat for the coldest days, then Disas would be another wide choice!
Perhaps place the house in the shadow of a deciduous tree so that it could not get to hot in summer!
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I would like to try some Ponerorchis graminifolia during next season... I know I'm a bit early but can anyone soggest some reseller?