How to keep Milo, a Dublin cat, from nibbling on the houseplants

DEAR JOAN: Is there something that can be sprayed on an indoor plant (with no harm) that will keep my cat, Milo, from nibbling on the leaves?

— Linda Rhoades, Dublin

DEAR LINDA: This is a timely question considering many of us are putting up Christmas trees, poinsettias and other items that are, of course, for the exclusive use of our cats. Or at least that’s how they see it. Protecting Christmas trees is a whole column in itself, so I’ll just stick to houseplants.

You have two main options.