Do you know if Clethra can thrive in moist soil, or if it is not suitable for it?
Although this plant can grow in damp environments, I'm not sure whether it can endure there for very long because Clethra 'Hummingbird' prefers sandy, moist, and acidic environments.
Although this plant can thrive in wet conditions, managing its growth over time may prove challenging.
This plant grows well in moist, acidic soil and can tolerate clay soil as well.