Ajwain

Water

Rain falls about 1 irrigation (5 cm) short in a normal year, so it's risky without water.

Needs about 270 mm of water here in its growing months. Rain in its months gives about 50 mm it can use in a normal year (20 mm in a dry one), and the soil holds about 170 mm from the monsoon at sowing.

Temperature

Grows best at 16–24 °C on average, and survives 10–30 °C.

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

• Oct 22 °C / 11 °C
• Nov 17 °C / 6 °C (outside its best range)
• Dec 14 °C / 4 °C (outside its best range)
• Jan 12 °C / 2 °C (outside its best range)
• Feb 15 °C / 4 °C (outside its best range)
• Mar 19 °C / 8 °C (outside its best range)

Nights in November can bring frost while the plants are young. Sow a little later, or cover the seedlings on cold nights.

Soil

Soil for Ajwain: 9 out of 10 (good).

• The pH here suits it.
• Many fields here are short of sulphur, which it needs a lot.
• Most fields here are short of nitrogen.

Likes pH 6.5–8.0.

Money

Yield: about 4.3 quintals an acre, the typical figure across India (no figures for your state).

On rain alone it gets about 83% of the water it needs, so the money here is worked at 83% of this yield.

Mandi price at last season's harvest (March–April 2026): about ₹11,104 a quintal across India's mandis.

Prices are usually best in November.

Typical costs are about ₹26,000 an acre: about half of what a usual harvest earns (2024–2026), as in farm cost surveys. They are spent whatever the harvest.