Why do Dipladenia (Mandevillia) leaves turn yellow. Trish, The Gong Gardener.

Mandevillia (Dipladinia).

[@CHHOTISIBAGIA]

Very nice flower blooming ❤❤❤❤

[@trishrestante3865]

It is. Thanks.

[@pinkieswear6611]

I'm having an issue with a mandevilla plant. May I email you a photo? If so, to what email? Thanks

[@trishrestante3865]

[e-mail]