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Mint, English Pennyroyal
This low groundcover Pennyroyal variety repels fleas and is wonderfully fragrant. Rub fresh leaves on pant legs before entering woods, to repel ticks and mosquitoes. Plant next to kennels or by paths where cats prowl. It seems to be hardier mixed in lawns. 4"" tall blue flower spikes bloom in summer. Avoid ingestion if pregnant! Don't use the essential oil of Pennyroyal on pets. Only use leaves.