Crop calendar (Pattam)

What to plant and when — Tamil month, pattam (season), sowing window, and harvest timing. Examples: Paddy → Aadi → Kuruvai; Paddy → Purattasi → Samba. Use Pattam guide for rainfall notes, then open tips or seed search from each row context.

Crop	Tamil month	Pattam	Sowing start	Sowing end	Harvest	Actions

Start the API server to load crop calendar rows.