Planning polyhouse farming in Padmanabhapuram? Padmanabhapuram is a small town in Tamil Nadu, home to about 21,000 people (GeoNames)[1][2], about 530 km from Bengaluru. This guide works from Padmanabhapuram's own monthly climate to suggest the protected structure, the crops to start with, and the months each crop is likely to do well.
Climate for polyhouse farming in Padmanabhapuram
March is the hottest month in Padmanabhapuram, with average daily highs of about 31°C. January has the coolest nights, averaging 25°C.[3] The area gets about 1,315 mm of rain a year, most of it in May to July and September to November, peaking in October at about 256 mm. Average humidity stays at 75% or more in April to January, which raises the risk of leaf disease and slows evaporative cooling. Padmanabhapuram sits about 15 m above sea level.[2] On the Köppen–Geiger climate map, Padmanabhapuram falls in the tropical savanna (dry winter) zone (Aw).[4]
Padmanabhapuram climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
28.9
24.6
75
14
Feb
30.0
25.1
73
17
Mar
30.9
26.5
73
42
Apr
30.8
27.6
76
89
May
29.9
27.7
81
132
Jun
28.6
26.6
85
139
Jul
27.9
25.6
86
117
Aug
27.9
25.5
86
91
Sep
28.2
25.8
85
141
Oct
28.3
26.0
83
256
Nov
28.3
26.0
81
218
Dec
28.2
25.2
80
59
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Padmanabhapuram. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]
Advantages of protected cultivation in Padmanabhapuram
1
Year-round crops
Under cover, cucumber can be grown for the whole year in Padmanabhapuram, 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 256 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 (April to January), 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 Padmanabhapuram?
For polyhouse farming in Padmanabhapuram, the structure decides which months you can crop and what it costs to run. With average highs between 28°C and 31°C through the year, Padmanabhapuram suits a naturally ventilated polyhouse for most crops. Fan & Pad cooling is rarely needed; spend the budget on good ventilation, insect net and a shade screen. Plan for heavy rain in October (about 256 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank.
A nethouse, the lowest-cost option, can grow hardy crops in December to April and August, when it is mild and fairly dry.
Crops for Padmanabhapuram
Based on Padmanabhapuram's climate, the crops with the longest growing windows are cucumber (all year), chilli pepper (10 months) and brinjal (10 months). Cucumber fits all year in a naturally ventilated polyhouse. Lilium and chrysanthemum 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 Padmanabhapuram.
Months each crop suits in Padmanabhapuram
Crop
Naturally ventilated polyhouse
Capsicum
Jul–Mar
Tomato
Dec–Feb and Aug
Cucumber
All year
Chilli pepper
Jun–Mar
Brinjal
Jun–Mar
Lettuce
Difficult
Broccoli
Difficult
Strawberry
Difficult
Rose
Difficult
Gerbera
Difficult
Carnation
Difficult
Chrysanthemum
Difficult
Anthurium
Jun–Feb
Orchids
Jun–Feb
Lilium
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]
530 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] Local demand in Padmanabhapuram may be small for exotic greens, so plan where the rest of the harvest goes. Nagercoil, about 10 km away, is the nearest larger market on our list.
Polyhouse farming in Padmanabhapuram with Kryzen
We have built 9 projects in Tamil Nadu so far (see our project map (opens in a new tab)). Padmanabhapuram is about 1,140 km in a straight line from our factory and master warehouse at Degaon, Wai (Satara), our nearest site.
Towns near Padmanabhapuram
We also plan and build farms in these towns near Padmanabhapuram:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Polyhouse farming in Padmanabhapuram: FAQs
Can a polyhouse farm run all year in Padmanabhapuram?
Yes, with the right structure. For Padmanabhapuram we would plan a naturally ventilated polyhouse. Even then, lettuce is hard to grow here at any time of year, so plan other crops instead.
Which polyhouse is best for Padmanabhapuram?
With March highs of about 31°C and 73% average humidity in that month, we would start with a naturally ventilated polyhouse.
Which crops should I grow in a polyhouse in Padmanabhapuram?
Going by the monthly climate, cucumber, chilli pepper and brinjal have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Is polyhouse farming profitable in Padmanabhapuram?
It can be, if the crop, the structure and the buyers match. In Padmanabhapuram, cucumber and chilli pepper 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 Padmanabhapuram?
Yes. Our nearest site is our factory and master warehouse at Degaon, Wai (Satara), about 1,140 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 Padmanabhapuram 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.
