Macadamia
Crop Encyclopedia

Macadamia

Macadamia integrifolia / tetraphylla

tree crop
Summer
Export Crop

Macadamia is an emerging high-value tree crop in Zimbabwe, particularly in Manicaland. The nuts command premium global prices and have strong export demand from Asia and Europe.

365

Days to Maturity

3–5 tonnes/ha

Typical Yield

Moderate

Water Need

Moderate

Drought Tolerance

Soil Requirements

Optimal Soil Types

Deep loamy
Sandy loam
Well-drained red soils

pH Range: 5 – 6.5

Requires deep, well-drained, slightly acidic soils. Very sensitive to waterlogging and high pH soils. Good organic matter essential.

Fertilizer: NPK 3:1:3 granular scaled annually. Vermicompost 5–10kg/tree to drip zone twice yearly. Foliar zinc, boron and manganese as needed.

Climate Requirements

Optimal Temp: 16–25°C

Rainfall: 900–2000mm/year

Climate Zones

High rainfall
Moderate

Supplemental irrigation during dry seasons. Apply 40–60L/tree/week during dry months. Critical at nut development and sizing.

Current Weather for Macadamia

14°C

clear sky

Manicaland

47%

Humidity

9

km/h Wind

14–14°C

Min / Max Today

5-Day Forecast

Fri

14°

14°

Sat

25°

8°

Sun

29°

10°

Mon

30°

13°

Tue

30°

12°

Macadamia optimal climate: Temp: 16–25°C°C · Rainfall: 900–2000mm/yr

Planting & Harvesting

Planting Months

Oct
Nov

Harvesting Months

Apr
May
Jun

Planting Depth: Grafted seedling in pit 60×60×60cm

Spacing: 8m × 6m (standard) or 5m × 5m (high density)

Material: Grafted nursery trees

Suitable Provinces & Regions

Provinces

Manicaland
Mashonaland East

Natural Regions

Region I
Region II
Common Pests
Stink Bug (Pseudotheraptus)
High

Symptoms: Premature nut drop, dark shell staining, kernel damage

Management: Pyrethroid spray at nut set; pheromone traps; remove fallen nuts

Macadamia Nut Borer (Ecdytolopha)
High

Symptoms: Exit holes in husk, frass, kernel feeding

Management: Lambda-cyhalothrin spray; pheromone monitoring; remove infested nuts

Mealybug
Medium

Symptoms: White waxy masses on stems and leaves, honeydew, sooty mould

Management: Chlorpyrifos spray; biological control (Cryptolaemus)

Common Diseases
Phytophthora Root Rot
High

Symptoms: Wilting, yellowing, branch dieback, brown roots

Management: Improve drainage; phosphonate trunk injection; Ridomil soil drench

Husk Spot (Pseudocercospora)
Medium

Symptoms: Dark spots on green husks, premature drop

Management: Copper or mancozeb spray; avoid overhead irrigation

Botrytis (Grey Mould)
Low

Symptoms: Grey mould on flowers and young nuts in cool wet conditions

Management: Iprodione spray; improve canopy air circulation

Governed Product Guidance

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

Recommended Varieties
816 (Beaumont)
741 (Mauka)
849 (Pahala)
333 (Keauhou)
A4
A16
Market & Uses

Premium nut export to Asia (China, Japan) and Europe, kernel processing, macadamia oil, confectionery industry

Export Potential:

Very High

Cultivation Guide

AI-Generated

Step-by-step guide tailored to Macadamia in Zimbabwe

Country is not approved for production agronomy.

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