dhanyaka :

Cultivation:

The plant can be grown from the temperate zone to the tropics. It succeeds at elevations up to 2,200 metres in the tropics, but though it grows well, it rarely forms seeds at elevations lower than 500 metres It grows best in areas where annual daytime temperatures are within the range 15 - 25°c, but can tolerate 4 - 32°c It can be killed by temperatures of -10°c or lower It prefers a mean annual rainfall in the range 500 - 1,400mm, but tolerates 300 - 2,600mm
Plants grown mainly for their seeds do well in partial shade, but when growing for the seed or essential oil a sunny position is preferred. Prefers a warm dry light soil The plants dislike constant moisture or too much nitrogen. Another report says that coriander grows best when a cool damp spring is followed by a hot dry summer. Coriander tends to run quickly to seed if the plants are too dry at the seedling stage. Plants tolerate a pH in the range 4.9 to 8.3. Prefers a pH in the range 5.5 - 7.5, tolerating 4 - 8
There are some named varieties

Propogation:

Seed - sow in situ. The seed is slow to germinate.

Harvesting:

The plant is fast-growing and seems to be free of pests and diseases. The leaves may be harvested about 35 days from sowing, mature seeds after 80 - 140 days.
Optimum yields of the dried seed are up to 1.1 - 2.0 tonnes/ha
The flowers are very attractive to pollinating insects