Troubleshooting
Southern Heath problems — and how to fix them
Southern Heath (Erica australis) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Phytophthora root rot
Caused by waterlogged or poorly drained soil; affected plants wilt, turn brown, and collapse rapidly. There is no cure once established — improve drainage before planting and avoid overwatering.
Chlorosis from alkaline soil
Yellowing between the leaf veins (interveinal chlorosis) indicates iron or manganese deficiency due to pH that is too high; apply sequestered iron and re-pot or top-dress with ericaceous compost to lower pH.
Prevent southern heath problems before they start
Most southern heath issues are care-mismatch, not bad luck. Dial in the basics:
Southern Heath problems — FAQ
Why is my southern heath phytophthora root rot?
Caused by waterlogged or poorly drained soil; affected plants wilt, turn brown, and collapse rapidly. There is no cure once established — improve drainage before planting and avoid overwatering.
Why is my southern heath chlorosis from alkaline soil?
Yellowing between the leaf veins (interveinal chlorosis) indicates iron or manganese deficiency due to pH that is too high; apply sequestered iron and re-pot or top-dress with ericaceous compost to lower pH.