Mint Spearmint
Mentha spicata
herbSpearmint is an aggressive, vigorous perennial herb with bright green leaves and a sweet, mild mint flavour. It is widely used in cooking, beverages, and medicinal teas, and is more refined in flavour than peppermint. The plant spreads via rhizomes and is best contained in pots to prevent invasive spread in gardens.
Common Problems
Select the problem your Mint Spearmint is experiencing to get a treatment guide.
Care Guide
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Light
Full sun to partial shade (4–8 hours of sun); tolerates shade better than most herbs.
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Water
Keep soil consistently moist; spearmint enjoys moisture and can tolerate wetter conditions than other mints. Water regularly.
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Soil
Well-draining, fertile soil enriched with compost; pH 6.0–7.5. Tolerates poor soil but performs better with organic matter.
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Fertiliser
Light feeder; apply balanced fertilizer (5–5–5) monthly during growing season, or use compost mulch.
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Temperature
Hardy perennial; thrives at 55–75°F (13–24°C). Very cold-hardy once established.
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Humidity
Moderate to high humidity; enjoys consistently moist conditions. No special humidity requirements.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Safe for all. Non-toxic and edible. Some cats may show mild stomach upset if large quantities are consumed.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.