Despite their presence, Birch Leaf miner damage is usually superficial / aesthetic and natural controls play an important part in their management. Therefore there will not necessarily be damage the following year.
Columbine (Aquilegia) Remove any foliage showing leaf miner damage and remove any debris around the base of the plants. Aquilegia send out growth early in spring and appreciate not having the old foliage to contend with. (USDA Zones 3 - 9) ...
 See also: Seed, Shrub, Perennial, Spring, Growing
  
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