Hydrangea rust, a tag-team operation run by the notorious Pucciniastrum hydrangeae, isn’t any stranger to clean hydrangea (Hydrangea arborescens), with their luscious leaves forming the proper dance ground for the fungal festivities. Your unassuming hydrangea begins flaunting yellow polka dots on the higher facet of its leaves and hosts a disco get together beneath, with brown and orange pustules lighting up the floor. Earlier than you recognize it, the once-green leaves die and fall off in a botanic rendition of “Romeo and Juliet.”
Pucciniastrum hydrangeae is sort of the socialite, gravitating towards heat and humid spots, having fun with airborne journeys and wet droplet rides from leaf to leaf. And spreading infections faster than rumors in a backyard gnome gossip circle. Curiously, hydrangea rust is something however a monogamous relationship. The fungus loves spicing issues up and requires a keen collaborator to finish its life cycle. It hops from one to the opposite, making it an suave dodger, troublesome to remove, particularly when an off-stage plant stealthily casts infectious spores onto your hydrangeas.
Whereas particular occasions of the 12 months might not be explicitly talked about, it is affordable to imagine that components resembling heat and humid climate, overhead watering, and overcrowded planting the place airflow is proscribed can ring the dinner bell for the uninvited fungus, setting the stage for orange hydrangea leaves. Vigilance stays key in thwarting the party-crashing fungi from turning your yard bliss into plant pandemonium.