mature
Close to flower size or just flower size. Very nice and easy growing when cool growing conditions are available. Needs much light to flower. Reproduces vegetatively via stolons.
Either long days or strong light combined with cool air. North facing beds , sunshine until noon time.
In warm climate, EU below 50 ° Lat, very suitable for pot culture. Then pots can be put in refrigerator from November to May.
Never water on warm days !! This counts for all terrestrial orchids but for this species in particular.