If you have trouble with fungal or bacterial diseases in your garden, Bordeaux mixture may be able to help. For example, if ...

In Fielding Questions, readers also asked about specific apple tree sprays and commiserated about fake hosta seeds.

Apple trees require a certain number of hours per ... Covering the apple prevents those fungus spores from spreading on the fruit. The bags can be left on the apples until you're ready to harvest.

Spinosad was mentioned, as I recall. Also, is there a recommended fungicide for apple trees? — Jeff K. A: There are several options for controlling insects and diseases in apple trees.