in hosta leaves - they're a common sight no matter where you garden.
are the most common culprit, but there are other possibilities.
by reviewing the weather. Frost damage,
hail, and even falling maple seeds (many call "helicopters"), can damage these
plants. Monitor the weather and the
progression of the damage. No more holes
– it's most likely one of these.
a can of stale beer in the ground near your hostas or check under rocks and
birdbaths in the morning. If slugs are
the culprit, you'll find them there.
Continue trapping with the beer or try the eco-friendly iron phosphate
are the other possibility. They prefer
cool, dark and damp conditions like slugs. Set a crumpled paper out under a pot to trap. If present, you can live with the damage or
try one of the more eco-friendly insecticides.
Holes can also result from some diseases.
For example, Anthracnose fungal disease causes large irregular spots
with dark edges. The dead leaf tissue in
the center of these spots often falls out. Avoid overhead irrigation, especially late in the day and remove
infected foliage to reduce the spread of the disease.