Hostas - Knowledgebase Question

Irvington, NJ
Question by gloriajames
July 26, 2007
The leaves on my hostas are turning brown. I kow these are shade loving plants. However, some of them are in the sun. I know snails and slugs enjoy munching on these hardy plants. It the brown leaves from the sun or my friends? If so, what can I do to deter them.

Thank you in advance for your response.

Gloria James

Answer from NGA
July 26, 2007


Slugs would usually eat holes in the leaves and leave behind a tell tale silvery trail. If you are not seeing the trails, then slugs are not the problem. Frost damage can cause a discoloration later in the season. But, based on your description, I think it may be sunburn. Hostas can tolerate some gentle morning sun or bright dappled light all day, but will not handle hot afternoon sun. The moister the soil, the more sun they can handle but only up to a point. If they are suffering from too much sun, you should consider transplanting them.

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