Troubleshooting
Red escallonia problems — and how to fix them
Red escallonia (Escallonia rubra) 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.
Frost damage in cold winters
In areas colder than USDA zone 7, hard frosts can damage or kill stems to ground level, particularly in young or recently clipped plants. Protect newly planted specimens with fleece in forecast frosts; established plants often regenerate from the roots after a cold winter. Avoid hard pruning in autumn, which stimulates tender new growth.
Silver leaf disease (Chondrostereum purpureum)
A fungal disease entering through pruning wounds; causes a silvery sheen on leaves, dieback, and purple bracket fungi on dead wood. Prune only in summer when dry weather limits spore dispersal; apply wound paint to large cuts. Remove and destroy affected branches promptly.
Scale insects
Brown waxy scales on stems and leaf undersides, causing yellowing, sooty mould, and general decline. Apply a winter horticultural oil wash when plants are dormant to smother overwintering scales. Systemic insecticide applied in spring targets crawlers before scales harden.
Prevent red escallonia problems before they start
Most red escallonia issues are care-mismatch, not bad luck. Dial in the basics:
Looking for red escallonia in general rather than its problems? Read the full red escallonia care guide — light, water, soil and feeding.
Red escallonia problems — FAQ
Why is my red escallonia frost damage in cold winters?
In areas colder than USDA zone 7, hard frosts can damage or kill stems to ground level, particularly in young or recently clipped plants. Protect newly planted specimens with fleece in forecast frosts; established plants often regenerate from the roots after a cold winter. Avoid hard pruning in autumn, which stimulates tender new growth.
Why is my red escallonia silver leaf disease (chondrostereum purpureum)?
A fungal disease entering through pruning wounds; causes a silvery sheen on leaves, dieback, and purple bracket fungi on dead wood. Prune only in summer when dry weather limits spore dispersal; apply wound paint to large cuts. Remove and destroy affected branches promptly.
Why is my red escallonia scale insects?
Brown waxy scales on stems and leaf undersides, causing yellowing, sooty mould, and general decline. Apply a winter horticultural oil wash when plants are dormant to smother overwintering scales. Systemic insecticide applied in spring targets crawlers before scales harden.