Planning polyhouse farming in Sahibganj? Sahibganj is a town in Sahebganj district, Jharkhand, home to about 96,000 people (GeoNames)[1][2], about 310 km from Kolkata. We have used the monthly climate for Sahibganj to plan a structure, a growing system and a crop calendar, so you can compare them with your own plot and buyers.
Climate for polyhouse farming in Sahibganj
April is the hottest month in Sahibganj, with average daily highs of about 39°C. January has the coolest nights, averaging 9°C.[3] The area gets about 1,186 mm of rain a year, most of it in May to September, peaking in July at about 281 mm. Average humidity stays at 75% or more in July to October, which raises the risk of leaf disease and slows evaporative cooling. Sahibganj sits about 16 m above sea level.[2] On the Köppen–Geiger climate map, Sahibganj falls in the humid subtropical with dry winters zone (Cwa).[4]
Sahibganj climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
23.3
8.6
54
7
Feb
28.5
12.8
45
9
Mar
34.7
18.4
34
17
Apr
38.7
23.4
38
49
May
38.6
26.1
52
113
Jun
35.9
27.0
68
181
Jul
32.0
26.0
84
281
Aug
31.3
25.6
86
209
Sep
30.5
24.6
87
216
Oct
29.4
21.0
80
96
Nov
26.7
15.1
72
5
Dec
23.5
10.3
65
3
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Sahibganj. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]
Advantages of protected cultivation in Sahibganj
1
Year-round crops
Under cover, chilli pepper can be grown for 10 months a year in Sahibganj, 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 July's 281 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 (July to October), so you spray less often.
5
Subsidy eligible
Polyhouse, shade net and nethouse projects in Jharkhand can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department.[5]
Which polyhouse suits Sahibganj?
For polyhouse farming in Sahibganj, the structure decides which months you can crop and what it costs to run. The heat in Sahibganj comes with dry air. In April to May, average highs reach 39°C while average humidity is only about 45%. In that dry air, wet pads can bring a 39°C April afternoon down to roughly 30°C inside a Fan & Pad polyhouse, cool enough for lettuce and other leafy greens. For vine crops such as capsicum and cucumber, a naturally ventilated polyhouse with a shade screen works from February and September to November and costs less to run.
Plan for heavy rain in July (about 281 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 February and October to November, when it is mild and fairly dry.
Crops for Sahibganj
Based on Sahibganj's climate, the crops with the longest growing windows are chilli pepper (10 months), capsicum (9 months) and cucumber (9 months). Chilli pepper fits February to November with Fan & Pad cooling. These are the crops we would plan first for polyhouse farming in Sahibganj.
Months each crop suits in Sahibganj
Crop
Naturally ventilated polyhouse
With Fan & Pad cooling
Capsicum
Feb and Sep–Nov
Feb–May and Jul–Nov
Tomato
Feb and Sep–Dec
Feb–Apr and Sep–Dec
Cucumber
Jul–Nov
Mar–Nov
Chilli pepper
Feb and Jul–Nov
Feb–Nov
Brinjal
Jul–Nov
Mar–Nov
Lettuce
Nov–Jan
Oct–Apr
Broccoli
Dec–Jan
Nov–Feb
Strawberry
Dec–Jan
Nov–Feb
Rose
Nov–Dec
Feb–Mar and Oct–Dec
Gerbera
Nov–Dec
Feb–Apr and Oct–Dec
Carnation
Dec–Jan
Nov–Feb
Chrysanthemum
Nov–Dec
Feb–Mar and Oct–Dec
Anthurium
Oct
Mar–Apr and Jul–Oct
Orchids
Oct
Mar–Apr and Jul–Oct
Lilium
Dec–Jan
Nov–Feb
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.
₹5,455Spending per person per month, urban Jharkhand, 2023–24[6]
310 kmto Kolkata, the nearest metro (straight line)
Urban households in Jharkhand spent an average of ₹5,455 per person per month in 2023–24, below the all-India urban average of ₹7,078.[6] Local demand in Sahibganj may be small for exotic greens, so plan where the rest of the harvest goes. Katihar, about 30 km away, is the nearest larger market on our list.
Polyhouse farming in Sahibganj with Kryzen
We have built 2 projects in Jharkhand so far (see our project map (opens in a new tab)). Sahibganj is about 1,400 km in a straight line from our Chhatrapati Sambhajinagar warehouse, our nearest site.
Towns near Sahibganj
We also plan and build farms in these towns near Sahibganj:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Polyhouse farming in Sahibganj: FAQs
Can a polyhouse farm run all year in Sahibganj?
Yes, with the right structure. For Sahibganj we would plan a Fan & Pad polyhouse for leafy greens. Even then, lettuce is hard to grow in May to September, so plan another crop for those months.
Which polyhouse is best for Sahibganj?
With April highs of about 39°C and 38% average humidity in that month, we would start with a Fan & Pad polyhouse for leafy greens.
Which crops should I grow in a polyhouse in Sahibganj?
Going by the monthly climate, chilli pepper, capsicum and cucumber have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Is polyhouse farming profitable in Sahibganj?
It can be, if the crop, the structure and the buyers match. In Sahibganj, chilli pepper and capsicum 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 Sahibganj?
Yes. Our nearest site is our Chhatrapati Sambhajinagar warehouse, about 1,400 km away, and we have built 2 projects in Jharkhand.
Is there a subsidy for polyhouse or hydroponic farms in Jharkhand?
Yes. Protected cultivation projects in Jharkhand 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 Sahibganj 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.
