Quote:
Originally Posted by estación seca
It's a longstanding myth that sun shining on water droplets will burn leaves.
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Maybe where you are, my friend, but it's a huge concern here in central, and southern Florida.
I've seen pasty-white tourist burn to a crisp in 20 minutes. And burn marks on thin leafed plants and orchids, plus various plant blooms, because they were watered in the sun.
I've had to move my Phal's from the back of the house (easterly exposure) because the golf course started watering in the mornings and 80% of my blooms got heavy burn spots from just the morning sun.
With the thick leaves of the Phal's it's not as much of an issue as it would be for Ocnidiums, but there are some scorch marks and burn spots on the leaves of my Phal's.
Water is a known magnifier around here and Florida gardeners are instructed when not to water (later morning through early evening) when plants are exposed to the sun.
The high humidity down here also increases the time it takes for evaporation.
In "dry heat" areas it might not be much of an issue.
But as a blanket-rule, it could be misleading.
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