Yellows leaves on Dendrobium griffithianum

[mgxoxo]

Do these yellow leaves seem sunburnt, or is this indicative of another issue?

Potted by a south-facing window in medium bark. Watered in sink once a week. Atop humidity tray.

[estación seca]

All the leaves look dessicated. Once a week may not be enough in large bark in a clay pot. Most Dens., especially this kind in Section Densiflora, shouldn't go dry during the growing season.

How long have you had it? Did you repot it recently, or has it already made growth since repotting?

[RalphMunson]

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