Lablab Bean (Sem)

Water

Rain is enough, even in a dry year.

Needs about 670 mm of water here in its growing months. Rain in its months gives about 1,050 mm it can use in a normal year (810 mm in a dry one), and the soil holds about 200 mm from the monsoon at sowing.

Heavy rain here can waterlog it. Grow it on raised beds or land that drains well.

Temperature

Grows best at 18–32 °C on average, and survives 3–38 °C.

Here, in its growing months (day / night):

• Nov 18 °C / 6 °C (outside its best range)
• Dec 15 °C / 3 °C (outside its best range)
• Jan 13 °C / 1 °C (outside its best range)
• Feb 14 °C / 2 °C (outside its best range)
• Mar 17 °C / 5 °C (outside its best range)
• Apr 20 °C / 9 °C (outside its best range)
• May 23 °C / 13 °C (outside its best range)
• Jun 25 °C / 16 °C
• Jul 25 °C / 17 °C

Soil

Soil for Lablab Bean (Sem): 8 out of 10 (good).

• The pH here suits it, though not most crops.
• Many fields here are short of potassium, which it needs a lot.
• Most fields here are short of phosphorus.
• Most fields here are short of sulphur.

Likes pH 5.0–7.5.

Money

No yield records for this crop yet.

Mandi price at last season's harvest (July–August 2026): about ₹6,350 a quintal across India's mandis.

Prices are usually best in June.