Tall Mint - Mentha arvensis x aquatica x spicata = M. x smithiana

Alternative names
Mentha x smithiana

This is a three way cross between Corn Mint, Water Mint and Spear Mint. It can reach 2 to 3 feet in height and has exserted (much extended) stamens.

Similar Species

other mints, including hybrids and garden varieties

Identification difficulty
Recording advice

The County Recorder has asked for a specimen of this plant to be retained for verification


Damp or wet places, sometimes as a garden throw-out.

When to see it

Flowers July to September or early October.

Life History

Rhizomatous perennial herb.

UK Status

Widespread but occasional in Britain. It may be under recorded due to difficulty of identification.

VC55 Status

Local and quite scarce or under recorded in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 2 of the 617 tetrads.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map