2026 Planting Guide
Spring cropWhen to Plant Onions in Kenya
Complete guide to growing onions in Kenya with optimal planting dates, recommended varieties, soil requirements, pest management, and harvest timing. Data sourced from national agricultural research organizations and FAO.
Monthly Planting Calendar
Visual overview of the onions growing season in Kenya.
Quick Facts
Min. Soil Temp
12°C (54°F) minimum
Growing Period
90-120 days
From planting to harvest
Last Spring Frost
N/A
Tropical climate
First Fall Frost
N/A
No frost risk
Monthly Task Timeline
Month-by-month guide for managing onions in Kenya.
January - February
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
March - May
PlantPrepare soil, apply starter fertilizer, and sow seeds at recommended depth and spacing.
June
Grow & MonitorIrrigate as needed, scout for pests, apply side-dress fertilizer, and manage weeds.
July - October
HarvestCheck maturity indicators, schedule equipment, harvest at optimal moisture content.
November - December
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
Best Onions Varieties for Kenya
These varieties have proven performance in Kenya's climate and soil conditions. Always source certified seed from reputable dealers.
| # | Variety | Best For |
|---|---|---|
| 1 | Red Creole | Kenya climate |
| 2 | Bombay Red | Kenya climate |
| 3 | Red Pinoy | Kenya climate |
| 4 | Texas Grano | Kenya climate |
Growing Tips for Kenya
Region-specific advice from agricultural extension services and experienced Kenya farmers.
Kajiado, Narok, and central highlands are primary zones
Plant at onset of long rains
Purple blotch and downy mildew in humid conditions
Bulb onions for dry markets; spring onions for fresh
Pest & Disease Watch
Monitor for these threats throughout the growing season. Integrated Pest Management (IPM) is recommended.
Thrips
Scout regularly and use integrated pest management
Onion maggot
Scout regularly and use integrated pest management
Purple blotch
Scout regularly and use integrated pest management
Downy mildew
Scout regularly and use integrated pest management
Stemphylium blight
Scout regularly and use integrated pest management
Companion Planting
These plants grow well alongside onions, improving pest control, pollination, and nutrient availability.
Frost Dates
No Frost Risk
Kenya has a tropical or subtropical climate. Frost is generally not a concern, but altitude-dependent cold spells can occur in some areas.
Frequently Asked Questions
When is the best time to plant onions in Kenya?
The optimal planting window for onions in Kenya is March 15 to May 31. Soil temperature should reach at least 12°C (54°F) minimum before planting. The total growing period is 90-120 days.
What varieties of onions grow best in Kenya?
The best varieties for Kenya include Red Creole, Bombay Red, Red Pinoy, Texas Grano. These varieties are adapted to local climate and soil conditions and have proven performance records.
When can I harvest onions in Kenya?
The harvest window for onions in Kenya is typically July 15 to October 31. The crop takes 90-120 days from planting to reach maturity.
Get planting reminders for Onions in Kenya
Sign up for free alerts when it's time to plant, fertilize, and harvest.
Data Sources
Data sourced from Kenya Agricultural and Livestock Research Organization (KALRO), FAO Kenya, and county extension offices. Last updated: March 2026.
Planting dates are averages and may vary by county, elevation, and local microclimate. Always consult your local extension office for the most precise recommendations.