Heuchera · Perennial
Vine weevil: Cover pot compost with gravel to prevent egg-laying and treat with nematodes or systemic insecticides.
Heuchera rust: Remove infected foliage and old leaves in autumn to reduce overwintering spores.
Frost heaving: Mound soil around exposed roots in winter and ensure planting in well-drained locations.
Leaf scorch: Plant in dappled shade and water regularly during dry spells to prevent stress.