Answer: I think your hostas are just going through a little transplant shock. Give them a few more weeks to acclimate and you should see new leaves. At that time you can prune away the yellowed leaves. Hostas are relatively pest and disease free, with the exception of slugs and snails. They feed at night and munch on the leaves. Yellowing leaves are simply a sign of stress. Hostas grow best in moist soil and shady conditions. You can mulch around the plants to help slow evaporation and keep the soil cool and moist. Give your plants a few weeks to establish themselves and I'm sure they will be fine.
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