Polyhouse farming · Kerala

Polyhouse Farming in Vaikom

Monthly climate, crop windows and nearby markets for a polyhouse farm in Vaikom, with a naturally ventilated polyhouse for a mild climate.

Kryzen Biotech వ్యవస్థాపకుడు Sudhir Devkar

By Sudhir Devkar, Founder & CEO, Kryzen Biotech

Updated · 5 min read

Polyhouse farming in Vaikom: aerial view of a large protected cultivation farm with polyhouses

Planning polyhouse farming in Vaikom? Vaikom is a small town in Kottayam district, Kerala, home to about 23,000 people (GeoNames)[1][2], about 380 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 Vaikom

March is the hottest month in Vaikom, with average daily highs of about 33°C. January has the coolest nights, averaging 23°C.[3] The area gets about 2,653 mm of rain a year, most of it in April to November, peaking in June at about 494 mm. Average humidity stays at 75% or more in April to November, which raises the risk of leaf disease and slows evaporative cooling. Vaikom sits about 2 m above sea level.[2] On the Köppen–Geiger climate map, Vaikom falls in the tropical monsoon zone (Am).[4]

Vaikom climate by month

MonthAvg high (°C)Avg low (°C)Humidity (%)Rain (mm)
Jan31.523.26613
Feb32.824.46327
Mar33.025.86754
Apr31.626.576129
May30.026.582284
Jun28.325.687494
Jul27.424.889439
Aug27.324.589350
Sep27.824.687293
Oct28.324.885358
Nov29.124.580174
Dec30.023.57338
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Vaikom. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]

Advantages of protected cultivation in Vaikom

  • ఏడాది పొడవునా పంటలు

    Under cover, cucumber can be grown for the whole year in Vaikom, so you can supply buyers every week instead of one open-field season.

  • మెరుగైన దిగుబడి మరియు ధర

    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.

  • తక్కువ నీరు

    Drip irrigation under cover uses less water than flood irrigation, and the roof keeps June's 494 mm of rain off the crop and the soil.

  • 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 November), so you spray less often.

  • సబ్సిడీకి అర్హం

    Polyhouse, shade net and nethouse projects in Kerala can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department.[5]

Which polyhouse suits Vaikom?

For polyhouse farming in Vaikom, the structure decides which months you can crop and what it costs to run. With average highs between 27°C and 33°C through the year, Vaikom 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 June (about 494 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank.

Protected structures to compare

Sunlight peaks in March at about 6.4 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 March, when it is mild and fairly dry.

Crops for Vaikom

Based on Vaikom's climate, the crops with the longest growing windows are cucumber (all year), chilli pepper (all year) and brinjal (all year). 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 Vaikom.

Months each crop suits in Vaikom

పంటసహజ వెంటిలేషన్ పాలీహౌస్With Fan & Pad cooling
క్యాప్సికమ్May–DecAll year
టమాటాJul–DecJul–Feb
దోసకాయAll yearAll year
Chilli pepperAll yearAll year
వంకాయAll yearAll year
లెట్యూస్AugNov–Feb and Aug
బ్రోకలీDifficultDifficult
స్ట్రాబెర్రీDifficultDifficult
గులాబీDifficultDifficult
గెర్బెరాDifficultDec–Jan
కార్నేషన్DifficultDifficult
చామంతిDifficultDifficult
ఆంథూరియంMay–DecAll year
ఆర్కిడ్లుMay–DecAll year
లిలియంDifficultDifficult
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.

Suggested crops for Vaikom

Selling your harvest in and around Vaikom

23,000People in Vaikom (GeoNames)[1]
₹7,834Spending per person per month, urban Kerala, 2023–24[6]
380 kmto Bengaluru, the nearest metro (straight line)

Urban households in Kerala spent an average of ₹7,834 per person per month in 2023–24, above the all-India urban average of ₹7,078.[6] Local demand in Vaikom may be small for exotic greens, so plan where the rest of the harvest goes. Kochi, about 30 km away, is the nearest larger market on our list.

Polyhouse farming in Vaikom with Kryzen

Vaikom is about 950 km in a straight line from our factory and master warehouse at Degaon, Wai (Satara), our nearest site.

Towns near Vaikom

We also plan and build farms in these towns near Vaikom:

Map of Kerala

Check other locations in Kerala

We have farm planning pages for 51 towns in Kerala, each with its own climate, crops and market notes.

All Kerala locations

Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.

Polyhouse farming in Vaikom: FAQs

Can a polyhouse farm run all year in Vaikom?

Yes, with the right structure. For Vaikom we would plan a naturally ventilated polyhouse. Even then, lettuce is hard to grow in March to July and September to October, so plan another crop for those months.

Which polyhouse is best for Vaikom?

With March highs of about 33°C and 67% average humidity in that month, we would start with a naturally ventilated polyhouse.

Which crops should I grow in a polyhouse in Vaikom?

Going by the monthly climate, capsicum, cucumber and chilli pepper have the longest growing windows. Confirm prices and volumes with buyers before you plant.

Is polyhouse farming profitable in Vaikom?

It can be, if the crop, the structure and the buyers match. In Vaikom, 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 Vaikom?

Yes. Our nearest site is our factory and master warehouse at Degaon, Wai (Satara), about 950 km away.

Is there a subsidy for polyhouse or hydroponic farms in Kerala?

Yes. Protected cultivation projects in Kerala 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 Vaikom 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.

Sudhir Devkar

Sudhir Devkar

Founder & CEO, Kryzen Biotech

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.

Sources

  1. GeoNames · Geographical database: populated places of India (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)
  2. వికీపీడియా · Vaikom (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)
  3. NASA Langley Research Center · POWER Climatology API: long-term monthly averages (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)
  4. Rubel & Kottek, University of Veterinary Medicine Vienna · World map of the Köppen–Geiger climate classification (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)
  5. Ministry of Agriculture and Farmers Welfare · Mission for Integrated Development of Horticulture (MIDH) (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)
  6. Ministry of Statistics and Programme Implementation (MoSPI) · Household Consumption Expenditure Survey 2023–24: press note (కొత్త ట్యాబ్‌లో తెరుచుకుంటుంది)