Hosta Holes - Knowledgebase Question

Owen, Wi
Question by codybear1
September 11, 2008
Every year my hostas start out beautiful in the spring but by the time they are done flowering all the leaves look like swiss cheese, especially the variegated ones! What causes this and what can I do the stop this from happening?


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Answer from NGA
September 11, 2008

0

The two most common reasons for holes in hosta leaves early in the season are slug damage and hail damage. Slugs will leave a silvery slime trail and can be controlled by hand picking at night when they are active, traps, baits (read and follow the label instructions carefully) or by sprinkling diatomaceous earth on the soil surface around the plant. Hail damage (or other physical damage such as that caused by trampling) may occur much earlier in the season and only become apparent when the leaves have fully unfurled and begun to grow. Hopes this helps you determine just what the problem might be.

Best wishes with your hostas!

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