QuestionsHow to growTrees and ShrubsFrost damagered robin trees 0 Vote Up Vote Down louise lally asked 14 years ago I have 2 red robin trees we bought last year potted. they have lost nearly all their leaves and whats left of the leaves are brown. they look to be dead? when i scraped the bark to see its brown underneath. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Photinia ‘Red Robin’ can be killed by frost, but is sometimes just damaged recovers, but not if wood brown under the bark at ground level.