hello this is only my second post its good here isnt it:)
anyway i have two passionflowers growing under a special horticultural growlight and this spring summer and fall. I have had tonns of flowers on both almost continuously.
However recently i have noticed some yellowing between the veins, starting on one passionflower (lavender lady)and later on Lady margaret mostly on new growth.I have misted with epson salts and waited a week but no difference. can someone please help me i have researched and researched but cant pinpoint anything.
thank you in advace fpor any help