Troubleshooting
Coastal Doghobble problems — and how to fix them
Coastal Doghobble (Leucothoe axillaris) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Fungal leaf spot
At least 8 fungal species attack Leucothoe in conditions of poor air circulation or overhead irrigation, producing unsightly brown to black lesions. Space plants well, water at the base, remove infected foliage, and apply copper fungicide in severe cases.
Leaf scorch from wind or sun
Despite coastal adaptations, prolonged exposure to dry winds or summer afternoon sun without adequate moisture causes marginal and interveinal browning. Site in sheltered, shaded positions and maintain consistent soil moisture.
Chlorosis in alkaline soil
High pH induces iron deficiency, causing interveinal yellowing. Correct with sulphur to lower pH, apply sequestered iron, and switch to rainwater if tap water is hard and alkaline.
Prevent coastal doghobble problems before they start
Most coastal doghobble issues are care-mismatch, not bad luck. Dial in the basics:
Coastal Doghobble problems — FAQ
Why is my coastal doghobble fungal leaf spot?
At least 8 fungal species attack Leucothoe in conditions of poor air circulation or overhead irrigation, producing unsightly brown to black lesions. Space plants well, water at the base, remove infected foliage, and apply copper fungicide in severe cases.
Why is my coastal doghobble leaf scorch from wind or sun?
Despite coastal adaptations, prolonged exposure to dry winds or summer afternoon sun without adequate moisture causes marginal and interveinal browning. Site in sheltered, shaded positions and maintain consistent soil moisture.
Why is my coastal doghobble chlorosis in alkaline soil?
High pH induces iron deficiency, causing interveinal yellowing. Correct with sulphur to lower pH, apply sequestered iron, and switch to rainwater if tap water is hard and alkaline.