Planning polyhouse farming in Madurai? Madurai is a city of about 14.7 lakh people (GeoNames) in Madurai district, Tamil Nadu[1][2], about 340 km from Bengaluru. Below we use the town's monthly temperatures, humidity and rainfall to work out which structure fits, which crops to grow and in which months, before you spend on construction.
Climate for polyhouse farming in Madurai
April is the hottest month in Madurai, with average daily highs of about 37°C. January has the coolest nights, averaging 18°C.[3] The area gets about 962 mm of rain a year, most of it in May and September to November, peaking in October at about 197 mm. Average humidity stays at 75% or more in October to December, which raises the risk of leaf disease and slows evaporative cooling. Madurai sits about 101 m above sea level.[2] On the Köppen–Geiger climate map, Madurai falls in the tropical savanna (dry winter) zone (Aw).[4]
Madurai climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
30.1
17.8
74
9
Feb
33.3
19.0
64
12
Mar
36.3
22.0
57
23
Apr
36.6
24.4
59
50
May
35.3
24.8
64
101
Jun
34.0
23.5
65
57
Jul
33.6
23.2
63
72
Aug
33.5
22.7
66
89
Sep
33.1
22.6
70
115
Oct
31.0
22.3
78
197
Nov
28.5
20.9
84
177
Dec
28.1
18.9
83
60
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Madurai. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]
Advantages of protected cultivation in Madurai
1
Year-round crops
Under cover, capsicum can be grown for the whole year in Madurai, so you can supply buyers every week instead of one open-field season.
2
Better yield and price
Plants grow without rain, hail and wind damage, so yields are higher and more even, and clean, graded produce sells at a better price, especially off-season.
3
Less water
Drip irrigation under cover uses less water than flood irrigation, and the roof keeps October's 197 mm of rain off the crop and the soil.
4
Less pesticides
Insect net on vents and doors keeps out most pests, and controlled ventilation helps with leaf disease in the humid months (October to December), so you spray less often.
5
Subsidy eligible
Polyhouse, shade net and nethouse projects in Tamil Nadu can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department.[5]
Which polyhouse suits Madurai?
For polyhouse farming in Madurai, the structure decides which months you can crop and what it costs to run. Average highs stay at 33°C or more in February to September, with moderate humidity of about 64%. In that dry air, wet pads can bring a 37°C April afternoon down to roughly 32°C inside a Fan & Pad polyhouse, which keeps herbs and vine crops going; lettuce will still struggle in the hottest weeks. Capsicum, cucumber and tomato do well in a naturally ventilated polyhouse with a shade screen. If you want one structure, decide by crop: greens all year point to Fan & Pad; vine crops point to a naturally ventilated house.
Sunlight peaks in March at about 6.3 kWh per m² a day, so add a shade screen for leafy greens in the brightest months. A nethouse, the lowest-cost option, can grow hardy crops in December to February and June to August, when it is mild and fairly dry.
Crops for Madurai
Based on Madurai's climate, the crops with the longest growing windows are capsicum (all year), tomato (all year) and cucumber (all year). Capsicum fits all year with Fan & Pad cooling. Lilium and carnation are hard to time here, so we would leave them out of the first season. These are the crops we would plan first for polyhouse farming in Madurai.
Months each crop suits in Madurai
Crop
Naturally ventilated polyhouse
With Fan & Pad cooling
Capsicum
Oct–Jan
All year
Tomato
Oct–Jan
All year
Cucumber
Jun–Feb
All year
Chilli pepper
Oct–Jan
All year
Brinjal
Oct–Jan
All year
Lettuce
Difficult
Oct–Feb and Jul–Aug
Broccoli
Difficult
Difficult
Strawberry
Difficult
Difficult
Rose
Difficult
Nov–Feb
Gerbera
Difficult
Oct–Feb and Jul–Aug
Carnation
Difficult
Difficult
Chrysanthemum
Difficult
Nov–Feb
Anthurium
Nov–Dec
All year
Orchids
Nov–Dec
All year
Lilium
Difficult
Difficult
Kryzen planning estimate from the monthly averages above and each crop's usual day and night temperature range. Variety, soil or substrate temperature and shading change the result, so confirm with a trial.
₹8,325Spending per person per month, urban Tamil Nadu, 2023–24[6]
340 kmto Bengaluru, the nearest metro (straight line)
Urban households in Tamil Nadu spent an average of ₹8,325 per person per month in 2023–24, above the all-India urban average of ₹7,078.[6] A city of this size has hotels, restaurants, modern retail and quick-commerce stores within its own limits, so most harvests can be sold locally. Line up two or three buyers before planting and agree on grade and delivery days.
Polyhouse farming in Madurai with Kryzen
We have built 9 projects in Tamil Nadu so far (see our project map (opens in a new tab)). Madurai is about 1,000 km in a straight line from our factory and master warehouse at Degaon, Wai (Satara), our nearest site.
Towns near Madurai
We also plan and build farms in these towns near Madurai:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Polyhouse farming in Madurai: FAQs
Can a polyhouse farm run all year in Madurai?
Yes, with the right structure. For Madurai we would plan Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops. Even then, lettuce is hard to grow in March to June and September, so plan another crop for those months.
Which polyhouse is best for Madurai?
With April highs of about 37°C and 59% average humidity in that month, we would start with Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops.
Which crops should I grow in a polyhouse in Madurai?
Going by the monthly climate, capsicum, tomato and cucumber have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Is polyhouse farming profitable in Madurai?
It can be, if the crop, the structure and the buyers match. In Madurai, capsicum and tomato have the longest seasons under cover. Confirm prices and volumes with buyers first; our Detailed Project Report works out the cost, yield and returns for your plot.
Does Kryzen build polyhouses in Madurai?
Yes. Our nearest site is our factory and master warehouse at Degaon, Wai (Satara), about 1,000 km away, and we have built 9 projects in Tamil Nadu.
Is there a subsidy for polyhouse or hydroponic farms in Tamil Nadu?
Yes. Protected cultivation projects in Tamil Nadu can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department. Check the current rate and area limit when you apply.
Discuss your Madurai farm project
Share your plot location, water test and crop targets. We will suggest the right structure and growing system, and send an itemised quotation.
A computer engineer turned hydroponic farmer from a multigenerational farming family in Satara. Sudhir founded Kryzen in 2019, and the team has since built 350+ protected and hydroponic farms across India.
