Mentha cervina alba
white hart's pennyroyal
An attractive, creeping, herbaceous perennial, perfectly suited to wet ground or in water, with narrow, lance-shaped, aromatic, green leaves and small white flowers that appear in tight whorls in summer. Leaves and flowers are edible and fantastic for pollinators

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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched, Columnar upright
- Genus
Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer
- Name status
Unresolved
How to grow
Cultivation
Grow in moist but well drained soil in full or partial sun. May have to potential to become a nuisance; plant in a well chosen site where it can grow unrestricted. See mint cultivation for more information
Propagation
Propagate by division in autumn
Suggested planting locations and garden types
- Wildlife gardens
Pruning
Cut back after flowering in autumn
Pests
May be susceptible to caterpillars and leafhoppers
Diseases
May be susceptible to mint rust and powdery mildews
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