All types of mint (including sweet mint, spearmint, peppermint, and chocolate mint) are fast-growing, spreading plants, so you must give them a place to spread without getting in the way, or plant them in a pot. Mint sends out runners that spread above and just below the ground, quickly forming large, lush green patches. In the right place it makes a pretty seasonal ground cover. You can also contain mint in tight places such as between pavers of a walkway where your feet will brush against the leaves to release its fragrance.

Soil, Planting, and Care

Plant mint in the spring, or in the fall in frost-free climates, setting seedlings 18 to 24 inches apart. Try growing mint in a pot where you can keep it in check and handy near the kitchen for a constant supply of sprigs. Add water-retaining polymer to the potting soil to be sure that it stays moist.

In the ground, select a damp area in your garden in either full sun or part shade. Mint prefers fertile soil with a pH from 6.0 to 7.0. Mint is plenty vigorous on its own, but will appreciate a little fertilizer every few weeks, especially if you harvest a lot. Use Miracle-Gro® Shake ‘N Feed® Tomato, Fruits & Vegetables Plant Food, which is low in salts and won’t cause leaf tips to brown. Keep the soil moist and mulch around the plant to keep its roots moist.

Keep plants in check by harvesting the tips regularly and pulling up wayward runners. Mint’s small flowers bloom from June to September; trim these before the buds open to keep the plant compact. Although slightly frost tolerant, the top of mint will eventually die back in winter except in zones 8 and south, but the root are quite hardy, surviving into zone 5 (some varieties even into zone 3). Lift and replant your mint every 3 to 4 years to keep your patch’s flavour and scent strong.

Troubleshooting

Although mint is a rugged plant, when it is young it is vulnerable to whiteflies, blackflies, spider mites, snails, and slugs.

Mint tolerates light frost, but the top will eventually die back in winter in all but the mild coastal climates. Roots are hardy in zones 5 though 9.

Harvest and Storage

Harvest mint leaves at any size by pinching off stems. For a large harvest, wait until just before the plant blooms, when the flavour is most intense, then cut the whole plant to just above the first or second set of leaves. In the process, you will remove the yellowing lower leaves and promote bushier growth. Three such harvests per season are typical for mint.

Uses

Fresh mint leaves are a nice complement to lamb, fish, poultry, and vegetables such as peas, new potatoes, and carrots. Mint also blends well with green or fruit salads and beverages such as punch, lemonade, and tea. Two very well-known drinks, mint julep and Cuban mojito, both depend on spearmint for their cool zest. Freeze mint in cubes for iced tea. You can also preserve it in vinegar or dry it for potpourri or sachets.

Because mint tends to take over, many gardeners plant mint in a small pot and then plant that pot in the ground or inside a larger container.
Mint flavours drinks from mojito to iced tea. Orange mint leaves and slices of oranges add fresh flavour to this pitcher of water.

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