Mentha requienii

RHS Plant Profile
Corsican mint

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Corsican mint visionspictures.com
Corsican mint visionspictures.com

Synonyms

Mentha corsica

Herbaceous Perennial
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A vigorous, mat-forming perennial, about 1cm tall forming an extensive colony of slender, creeping, rooting stems, bearing rounded, peppermint-scented bright-green leaves to 7mm across, and in summer produces tubular lilac flowers in short spikes

Position

Full shade, Partial shade

Soil Types

Clay, Loam

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
Up to 10 cm

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full shade Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H7

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer
Name Status
Correct
Plant Range
Italy, France (Corsica)

How to Grow

Cultivation

Adapts to a range of conditions, but best in moist but well-drained soil in partial shade. May have to potential to become a nuisance; restrict the root run in a deep container and plunge into the ground, or plant in a well chosen site where it can grow unrestricted. See mint cultivation for more information

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Rock garden
  • Wildlife gardens
  • Ground cover

Pruning

Tidy or trim over after flowering if necessary

Pests

May be susceptible to sage leafhopper and caterpillars

Diseases

May be susceptible to powdery mildews, especially during drought conditions, and mint rust