Hibiscus stem turned brown/black

Hi, I transplanted a Summerific Hibiscus (Ballet Slippers) in early fall, but its leaves started falling off, and now most of the stem has turned into brown/black. My other hibiscus that I transplanted at the same time have also fallen…

Sick Hibiscus flower

I have outdoor hibiscus for 30 years in Guelph, in the last 10 years I noticed infection of black spots on the red hibiscus and the flower is deformed. I asked several horticulture specialists and used all their advices, but…

Hibiscus

Hello, I live in Richmond Hill, Ontario. Can I grow a hibiscus plant outside? If so, which variety would be the best and where can I purchase it? Thank you, Lina.…