Posted 1M ago by @Irienys

Hoya Lisa new leaves not developing
I got this #Hoya Lisa a few months ago now, and was pretty excited to see it pushing out new growth. However, the new growth at the junction doesn't seem to develop properly at all, and just falls off after awhile, and now the stem seems to be blackening. Does anyone have any idea what's happening?
5” pot with drainage
Last watered 5 days ago
Best Answer
The yellowing starting to go up the leaves look like overheating....
I think it was @HoyaAddict that taught me not to water my Hoyas until I could bend the bottom leaves like a taco.. THEN you knew it was thirsty..
Try letting it dry out some and see how it does. Underwatering can be fixed.. root rot from overwatering, not so easily..
Good luck! πŸ’šπŸŒ±
Sounds like a root/water issue. Has it been repotted? They tend to prefer to be more dry than moist....
Yep as @ManyLime and @PlantMompy said most probably overwatering. I’d take a cutting for insurance and let the mother plant dry out completely before rewatering
@ManyLime I learned that recently about the taco leave test. I do the same thing with some of my cacti. The squeeze test will let you know if it’s full of water or really squishy and needs water. Makes a lot of sense that some leafy plants with chunkier leaves work the same way. You can tell if they are more full of water or if they need it. That’s pretty smart and an efficient way to test other than using a soil moisture meter. I should’ve thought of that myself but I mainly only have cacti and my other plants make it pretty obvious if I don’t water them soon enough. But I don’t have any Hoya just some monstera and nerve plants and similar ones. Haven’t bought a Hoya. Yet

If the leaves are suddenly falling and the base of the petioles look weak and brown, that is overwatering. They also like to be more drier than moist from what I know about them. Yes as @ManyLime has said @HoyaAddict has taught me a lot about Hoyas. Underwatering can always be fixed. Wishing you the best of luck. πŸ’šπŸ’šπŸŒ±πŸŒ±
I had a pubicalyx that got stem rot and it was behaving the same way. I didn't notice until half the stem was gone and the leaves were yellowing. The mother plant died but I have 5 clippings rooted so not a total loss.
@tattedscientist oh nooo, how does a Hoya get stem rot? my plant is too small to get cuttings from, unfortunately πŸ’€
@PlantMompy I have not repotted it, it's still in its original pot from the seller πŸ™ƒ
common thought seems like over watering, so I have repotted it into a terracotta pot and shall hope for the best...
@Irienys I was probably watering it too heavily because I had just taken it out of the humidity/acclimation tank and thought it would be thirsty. I think it is a fungus in the soil that attacks the stem if the soil stays wet for too long.
@tattedscientist ohhhh, I see. oh dear, I'll definitely keep an eye on it, thank you

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