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Herb · Lamiaceae family

Peppermint

Mentha ×piperita

Full sun to part shade 11¾ in–2 ft 11⅜ in × 1 ft 3¾ in–4 ft 11 in Flowers July–August Harvest March–November to −79 °F
Flower colors Click a color

In short a 10-second read

SunFull sun to part shade
Size11¾ in–2 ft 11⅜ in
spacing 15¾ in
Water1.1 gal
per plant a week
FlowersJuly–August
PruningAugust–September
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in average to moist soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
average to moistloamyhumus-rich

Watering

Peppermint — Watering
1.1 galper plant a week
keep the soil evenly moistless when it rains

Frost

−79 °F
no winter protectiondies back in winter, regrows in spring

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in11¾ in–2 ft 11⅜ inspread 1 ft 3¾ in–4 ft 11 in
11¾ in–2 ft 11⅜ in× spread 1 ft 3¾ in–4 ft 11 in

Plant 15¾ in apart.

How to plant: singly

Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberPruning: JanuaryPruning: FebruaryPruning: MarchPruning: AprilPruning: MayPruning: JunePruning: JulyPruning: AugustPruning: SeptemberPruning: OctoberPruning: NovemberPruning: DecemberHarvest: JanuaryHarvest: FebruaryHarvest: MarchHarvest: AprilHarvest: MayHarvest: JuneHarvest: JulyHarvest: AugustHarvest: SeptemberHarvest: OctoberHarvest: NovemberHarvest: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeedingPruningHarvest
Now, in October: time to harvest.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

July–August · purple or pink

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

division: March–April, September–October

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–April

Pruning

JanFebMarAprMayJunJulAugSepOctNovDec

prune after flowering (August–September)

Harvest

JanFebMarAprMayJunJulAugSepOctNovDec

March–November

What to plant now (October) full list in October (243) →

Feeding

Nutrition.

Compost

0.29 qt/sq ft once in spring · March–April

JanFebMarAprMayJunJulAugSepOctNovDec

Pruning

When and how to prune.

Typical for a temperate climate (four seasons).

Peppermint — Prune after flowering

Prune after flowering

AugSep
How to prunePrune hard: the whole plant down to about 2 in after flowering; within a few weeks the mint regrows young leaves for picking.

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

High riskMedium riskLow riskRisk for this plant according to the source · no label = no documented level
Mint rust

Mint rust

Puccinia menthae
Medium riskdisease
More about this problem

What you will see

Pale, twisted spring shoots; dusty orange, later yellow and black pustules on leaves and stems.

The source says: it is a common disease of garden mint.

When to look

Spring – fall

How to protect

  1. Prevention
    • Remove affected plants before black winter spores form.
  2. By hand earlyDig up and destroy affected plants and rhizomes; replant healthy, unaffected stems elsewhere.
  3. By hand early fallSoak washed rhizomes for 10 minutes in water at 111 °F (no hotter), cool and plant — a nurserymen's method.
Mint rustdisease · spring – fallMedium risk

What you will see

Pale, twisted spring shoots; dusty orange, later yellow and black pustules on leaves and stems.

The source says: it is a common disease of garden mint.

When to look

Spring – fall

How to protect

  1. Prevention
    • Remove affected plants before black winter spores form.
  2. By hand earlyDig up and destroy affected plants and rhizomes; replant healthy, unaffected stems elsewhere.
  3. By hand early fallSoak washed rhizomes for 10 minutes in water at 111 °F (no hotter), cool and plant — a nurserymen's method.
More about this problem

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

The source says: it is among the ornamental plants susceptible to powdery mildew.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
Powdery mildewsdisease · from spring onwardsMedium risk

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

The source says: it is among the ornamental plants susceptible to powdery mildew.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
More about this problem

What you will see

Coarse pale speckling on the upper leaf surfaces; leafhoppers on the undersides.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–September

How to protect

  1. Prevention
    • Affected herbs are safe to eat; no control is needed.
  2. BiologicalEncourage natural enemies (ladybirds, wasps, ground beetles, birds).
Sage and Ligurian leafhopperspest · April–September

What you will see

Coarse pale speckling on the upper leaf surfaces; leafhoppers on the undersides.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–September

How to protect

  1. Prevention
    • Affected herbs are safe to eat; no control is needed.
  2. BiologicalEncourage natural enemies (ladybirds, wasps, ground beetles, birds).
More about this problem
Blue mint beetle

Blue mint beetle

Chrysolina coerulans
pestsource covers the whole genus

What you will see

Holes in mint leaves, metallic blue beetle (¼ in) and black larvae on the leaves.

When to look

Spring – fall

How to protect

  1. By handPick off beetles and larvae by hand.
Blue mint beetlepest · spring – fall

What you will see

Holes in mint leaves, metallic blue beetle (¼ in) and black larvae on the leaves.

When to look

Spring – fall

How to protect

  1. By handPick off beetles and larvae by hand.
Mint moth

Mint moth

Pyrausta aurata
pestsource covers the whole genus
More about this problem

What you will see

Caterpillars bind shoot tips and flower clusters with silk threads and eat the leaves.

When to look

Spring – summer

How to protect

  1. Prevention
    • Damage is rarely serious; caterpillars are food for other wildlife.
  2. By hand from the end of AprilFrom the end of April check and remove caterpillars by hand; cut back heavily affected shoots.
Mint mothpest · spring – summer

What you will see

Caterpillars bind shoot tips and flower clusters with silk threads and eat the leaves.

When to look

Spring – summer

How to protect

  1. Prevention
    • Damage is rarely serious; caterpillars are food for other wildlife.
  2. By hand from the end of AprilFrom the end of April check and remove caterpillars by hand; cut back heavily affected shoots.
More about this problem
Sources (9)

What to combine it with

Ready-made combinations.

Ready-made Studio combinations with this plant

Click a combination — the Studio opens a new raised garden bed with it already planted.

Frequently asked

Quick answers.

When does peppermint flower?

In July–August; the flowers are purple or pink.

When is peppermint harvested?

In March–November.

Does peppermint tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does peppermint need?

At maturity 1 ft 3¾ in–4 ft 11 in wide and 11¾ in–2 ft 11⅜ in tall; recommended spacing 15¾ in.

Mint rust — what can you do?

Remove affected plants before black winter spores form. Dig up and destroy affected plants and rhizomes; replant healthy, unaffected stems elsewhere.

Sage and Ligurian leafhoppers — what can you do?

Affected herbs are safe to eat; no control is needed. Encourage natural enemies (ladybirds, wasps, ground beetles, birds).

Sources (11) Checked 25 October 2026

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