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herb

Horse Mint

Mentha longifolia

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Horse Mint (Mentha longifolia) at Lakeshore Garden Centres

Horse Mint flowers

Horse Mint flowers

(Photo courtesy of NetPS Plant Finder)

Height:  3 feet

Spread:  3 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  (annual)

Description:

This variety has large aromatic leaves that are used in salads, cooked foods, and tea; lilac-purple flowers rise above in mid to late summer; great container plant, and it is suggested that planting within a pot in the ground will curtail invasiveness

Edible Qualities

Horse Mint is an annual herb that is typically grown for its edible qualities, although it does have ornamental merits as well. The fragrant pointy green leaves with curious grayish green undersides are usually harvested from late spring to early fall. The leaves have a minty taste.

The leaves are most often used in the following ways:

  • Fresh Eating
  • Cooking
  • Seasoning
  • Tea

Planting & Growing

Horse Mint will grow to be about 3 feet tall at maturity, with a spread of 3 feet. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. Although it's not a true annual, this fast-growing plant can be expected to behave as an annual in our climate if left outdoors over the winter, usually needing replacement the following year. As such, gardeners should take into consideration that it will perform differently than it would in its native habitat.

This plant is quite ornamental as well as edible, and is as much at home in a landscape or flower garden as it is in a designated herb garden. It does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This species is not originally from North America. It can be propagated by division.

Horse Mint is a good choice for the edible garden, but it is also well-suited for use in outdoor pots and containers. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Garden  Groundcover  Herb  Container 
Applications
Flowers  Foliage Color  Attracts Wildlife 
Ornamental Features