How to build a greenhouse for your crop is a key consideration in commercial greenhouse farming. The right structure guarantees yield, efficiency, and profitability. Grekkon Limited makes daily field visits to farmers in Kenya training them on how to build a greenhouse. Below, we share our key considerations when we visit growers
How To Build A Greenhouse In Kenya
There are 3 key considerations:
- A galvanized steel greenhouse lasts longer and is more expensive than an aluminum paint coated one
- The steel internal cop support structure makes it costly but provides good mature crop support
Cost of a greenhouse in Kenya
These are prices for galvanised metallic greenhouse tunnel type structures with a 1,000L tank, and a full irrigation system. Note that it does not include the internal steel crops support structure. This price includes all greenhouse materials in Kenya.
15 by 8m. Kes 175,000. 500 – 600 tomato plants
24 by 8m. Kes 255,000. 750 – 800 tomato plants
30m by 8m. Kes 325,000. 1,000 – 1,200 tomato plants
40m by 8m. Kes 480,000. 1,300 – 1,500 tomato plants
24m by 16m. Kes 500,000. 1,500- 1,600 tomato plants
30m by 16m. Kes 560,000. 2,000 – 2,400 tomato plants
40m by 16m. Kes 890,000. 2,600 – 3,000 tomato plants
From 800M square. Kes 850 per meter square. We customise our price according to size, and your greenhouse budget
In the cool highlands, build a tunnel type to retain heat during the cold nights. In the warm lowlands, construct the vented type to moderate high temperatures during the day.
Vented type greenhouse is more expensive than tunnel types
3. Crop type
Mono color roses or other mono-color flowers will have yellow polythene covering. Multi-color flower crops and vegetables will have a clear polythene cover
6 Steps on how to build your greenhouse
i. Choose your greenhouse size according to your budget
ii. Select your greenhouse type according to location
iii. Choose your polythene color according to your crop type
iv. Level the area where your greenhouse will stand
v. The 2 longer sides of the greenhouse will face eastwards and westwards. However, consider the wind direction too
vi. In the tropics, your greenhouse will be 5 meters tall or higher
How to build a greenhouse FAQs
a. What materials are needed to build a greenhouse?
- UV treated greenhouse polythene
- Steel pipes
- Insect netting
- Profiles and wires
b. Can I grow year-round in a greenhouse?
Yes because the crop is protected from the elements of weather
c. Do greenhouses make money?
Yes they do with a high-value crop