Lettuce
Crop Encyclopedia

Lettuce

Lactuca sativa

leafy vegetable
All-year

Lettuce is a high-turnover salad crop grown year-round under irrigation in Zimbabwe. It is popular in supermarkets, restaurants, and export to regional markets.

45

Days to Maturity

15–25 tonnes/ha

Typical Yield

High

Water Need

Low

Drought Tolerance

Soil Requirements

Optimal Soil Types

Sandy loam
Loamy
Rich garden soil

pH Range: 6 – 7

Well-drained, fertile loamy soils with high organic matter. Shallow roots require consistent moisture. Avoid compacted or clay-heavy soils.

Fertilizer: 2 Nutrich earthworm poop tea 12 Nutrich vermicompost 6 compound C 5 Nutrich Vermifoliar

Climate Requirements

Optimal Temp: 15–22°C

Rainfall: 0–800mm/year

Climate Zones

Moderate
High rainfall

Frequent, light irrigation every 2–3 days. Drip or sprinkler at 20–25mm per week. Avoid waterlogging which causes basal rot.

Current Weather for Lettuce

23°C

clear sky

Bulawayo

32%

Humidity

24

km/h Wind

23–23°C

Min / Max Today

5-Day Forecast

Fri

23°

23°

Sat

34°

16°

Sun

37°

18°

Mon

40°

19°

Tue

38°

22°

Lettuce optimal climate: Temp: 15–22°C°C0

Planting & Harvesting

Planting Months

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Harvesting Months

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Planting Depth: 0.5 cm (surface sow) or transplanted seedlings

Spacing: 30cm × 25cm

Material: Seeds or seedlings (3 weeks)

Suitable Provinces & Regions

Provinces

Harare
Mashonaland East
Mashonaland West
Manicaland
Midlands
Bulawayo

Natural Regions

Region I
Region II
Region III
Common Pests
Aphids
High

Symptoms: Dense colonies in hearts, leaf distortion, virus transmission

Management: Dimethoate or imidacloprid spray; natural predators; remove infested plants

Slugs and Snails
Medium

Symptoms: Irregular holes in leaves, slime trails

Management: Metaldehyde bait; remove debris; avoid overhead irrigation at night

Cutworm
Medium

Symptoms: Seedlings cut at soil level

Management: Cypermethrin soil spray; bait pellets

Common Diseases
Botrytis (Grey Mould)
High

Symptoms: Grey fuzzy mould on leaves and base in humid conditions

Management: Iprodione fungicide; improve air circulation; avoid wetting leaves

Downy Mildew
High

Symptoms: Yellow patches on upper surface, grey mould below

Management: Metalaxyl + mancozeb; resistant varieties; avoid overhead irrigation

Big Vein Virus
Medium

Symptoms: Enlarged leaf veins, mosaic, stunted heads

Management: Soil drainage; control soil fungus (Olpidium); resistant varieties

Governed Product Guidance

Crop-specific product selection, application rates, mixing, timing and treatment guidance for Lettuce are available only through ZEF's governed production-agronomy workflow after country readiness and product/regulatory approval.

Recommended Varieties
Great Lakes
Webb's Wonderful
Butter Crunch
Romaine (Cos)
Red Oak Leaf
Lollo Rossa
Market & Uses

Fresh market salads, supermarkets, food service, export to South Africa, hydroponic production

Export Potential:

Moderate

Cultivation Guide

AI-Generated

Step-by-step guide tailored to Lettuce in Zimbabwe

Country is not approved for production agronomy.

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