Quote:
Originally Posted by weederwoman
I have a radiosa and was researching care on this and other sites. One member suggested radiosa needed more heat than other stanhopeas and recommended hanging it high in the greenhouse. I have been trying to keep mine cooler in our hot summer days (90's) by putting it where the swamp cooler moderates the temps. My winter heat is set at 60. It is in a basket. My humidity is high. I got it a year ago in very bad shape and it is recovering. Lots of old leafless pseudobulbs. Black spotting on old leaves. Lots of new roots but only maybe four new leaves. Very little mention of radiosa in this forum. Are they rare or unusually harder to grow than others in the genus?
Thanks for any experience people might have.
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Congratulations on growing your S. radiosa and yes they are rare in cultivation. I do not grow this species, but I do grow the close relative S. saccata. As with most species of Stanhopea from the mountains of western Mexico they seem to perform well with cool to intermediate temperatures in the winter and warmer temperatures in the summer. Most of the Saccata group grow and bloom better with temperatures in the 50-55 F range at night in winter. This is also the time of year that they would appreciate a little more light. My S. saccata receives average temperatures of 47 F at night and 65-70 F during the day in winter and 60-65 F at night and 80-85 F during the day in summer. Mine seems to enjoy moderate amounts of water throughout the year and dislikes greater than 50% sun in the summer here in San Diego.
If the plant is growing well and producing more leaves then it is doing well. If often takes a year or two for most Stanhopea to bounce back after recovering from poor treatment.
stanhopea radiosa temps
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