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Herbs

Spearmint

Mentha spicata

Spearmint is a perennial herb known for its aromatic leaves and is widely used in culinary applications, herbal teas, and essential oils. It has a square stem, lanceolate leaves, and produces small, purple flowers. Spearmint is valued for its flavor and medicinal properties, including digestive aid and anti-inflammatory effects.

Calculate System for Spearmint
400.00–600.00mm
Water Need
120 days
Season
30.00–60.00cm
Root Depth
25,000 kg/ha
Yield
20,000
Plants/ha

Growth Stages

Season: Mar – Aug (120 days)

Initial
Kc 0.400
30 days
Development
Kc 0.700
40 days
Mid-Season
Kc 1.000
60 days
Late
Kc 0.800
30 days

Spearmint can spread rapidly through underground rhizomes, so it is often grown in containers or controlled areas. Varieties include 'Kentucky Colonel' and 'Native Spearmint'.

Water Requirements

Season Total: 400.00600.00 mm
Water Stress Sensitivity: High
Salt Tolerance: Moderate
Water Productivity: 15.500 kg/m³

Recommended Methods

Drip Irrigation90.00%Fixed Sprinkler70.00%

Soil Compatibility

Optimal pH range: 6.0 – 7.5

Sandy Loam
AWC100.00mm/m
Drainagegood
Drainage: Well-drained soils preferred
Organic Matter: 2.00%
Soil should be rich in organic matter. Incorporating compost can enhance soil fertility and structure.

Climate Compatibility

Temperature range: 15.0°C – 30.0°C

Temperate Continental
ETo: 1.006.00 mm/day
Temp: -20.0°C – 30.0°C
Frost: high
Mediterranean
ETo: 3.007.00 mm/day
Temp: 5.0°C – 35.0°C
Frost: low
Frost Tolerance: Low frost tolerance
Heat Tolerance: Moderate heat tolerance
Spearmint prefers full sun but can tolerate partial shade. Protect from extreme heat and frost.

Planting Layout

100.00cm
Row Spacing
50.00cm
Plant Spacing
20,000
Plants per ha

Nutrient Requirements (kg/ha)

Nitrogen (N)150 kg/ha
Phosphorus (P)60 kg/ha
Potassium (K)180 kg/ha
40
Calcium (Ca) kg/ha
25
Magnesium (Mg) kg/ha
20
Sulfur (S) kg/ha
Schedule: Apply nitrogen in 3 splits during growing season
Organic Matter: 2-3% organic matter recommended

Yield Information

25,000
kg/ha
2.500
kg/plant
0.450
Harvest Index
Quality Factors: Size, color, sugar content

Design Your Spearmint Irrigation System

Use our free calculators to plan water requirements, spacing, and system costs for your Spearmint field.

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Related Guides

Growing and Irrigating Spearmint: An Economically Efficient Approach

Introduction Spearmint (Mentha spicata) is a popular herb known for its refreshing aroma and culinary uses. It is widely cultivated for its essential oil, which is used in various industries such as food, cosmetics and pharmaceuticals. Growing spearmint can be a profitable venture due to its high demand and relatively…

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