Ajwain

Water

Rain is enough, even in a dry year.

Needs about 320 mm of water here in its growing months. Rain in its months gives about 210 mm it can use in a normal year (190 mm in a dry one), and the soil holds about 200 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):

• 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)

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: 6 out of 10 (okay).

• Soil here is often too acidic for it.
• Many fields here are short of potassium, which it needs a lot.
• Many fields here are short of sulphur, which it needs a lot.
• Most fields here are short of phosphorus.

Likes pH 6.5–8.0.

Money

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

Mandi price at last season's harvest (April–May 2026): about ₹11,370 a quintal across India's mandis.

Prices are usually best in November.

Typical costs are about ₹27,000 an acre: about half of what a usual harvest earns (2024–2026), as in farm cost surveys. They are spent whatever the harvest.