Spearmint has the reputation of spreading like a weed, so plant in pots with the bottom cut out to curtail runners. Bury the pots up to the rim and try to remove any runners that may invade neighboring plants. The plant will have bright green leaves, which are pointed, toothed, and lance shaped, growing to about 2 inches long. The lavender flower spikes are 2 to 4 inches long. Harvest in July or August, when the plants are breaking into bloom.
Fresh spearmint is best.
It can be frozen in ice cube trays with a little water. Dry the herb in paper bags and store in airtight containers for culinary use all winter. W e use mint in so many different ways. There are also many medicinal uses for mint. Peppermint is used to treat colic and stomach cramps.