My Zeus black currant has got brown edges to some of it's...
1
@TryApple67 Are you keeping the soil continuously moist, not soggy? Dehydration or Dry Soil: Black currants thrive in moist but well-draining soil. If the soil dries out completely, the plant will struggle to push water to the edges of the foliage, causing the margins to dry, curl, and turn brown.
