Some faring less well

The Anacaptis papilionacea still hasn't recovered; as a lot of the people I have contacted have suggested once the damage is done (perhaps by overheating earlier in its growing cycle, or over feeding, or over or underwatering...or lots of other reasons!) it may be irreversible (hopefully only within the same growing season).

This is a bit depressing since some of my other Mediterranean species are showing signs of stress as well. The Ophrys speculum is looking quite chlorotic but quite a different pattern (yellowing with green veins) which I think suggests iron deficiency generally associated with too high a pH, but given this is a calciphile I think this is unlikely. The O. bombyliflora is also starting to look chlorotic but also has some leaf damage. One of the O. sphegodes is showing similar signs of yellowing. But it is worth comparing with the older specimen growing in my own compost mix and in a clay pot. Perhaps next year this will solve the issue... In the mean time all I can do is monitor them. I must invest in a decent pH probe to measure the soil acidity while the plant is growing.