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Mentha suaveolens

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© RHS

Characteristics

Plant type

Herbaceous Perennial or Herbs - Culinary

Habit

Suckering

Fragrance

Leaf

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Pale Purple in Autumn and Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

2-5 years


Preferred common name

apple mint

Family

Lamiaceae


Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer

<p>M. suaveolens is a vigorous rhizomatous herbaceous perennial to 90cm tall, with rounded, softly hairy, apple-scented leaves to 4cm long, and dense spikes of tiny pale purple flowers in late summer and early autumn</p>

Other common names

  • round-leaved mint
  • woolly mint

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing or West-facing
  • Sheltered or Exposed

Cultivation

Grow in poor, moist soil in full sun. To prevent mint becoming invasive, plant in deep containers and plunge these into the soil

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Loam

Propagation

Propagate by seed, sown in containers in an unheated greenhouse or cold frame in spring. Plant portions of rhizome any any time during the growing season; pot these up until they are established. Root tip cuttings can be taken in spring

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds or Patio/Container Plants


How to care

Pruning

cut back at the end of the growing season

Pests

Mint can suffer from green mint beetle, blue mint beetle, mint moth and sage leaf hopper

Diseases

Powdery mildew, especially during drought, can be a problem, as can mint rust