Coriander enjoys a sunny position but appreciates a little shade during the hottest part of the day. Plants will run to seed more quickly if stressed by hot weather so this is important for leaf varieties.
Sowing Coriander
Coriander is sown from late March until early September. To achieve a constant supply of leaves through the Summer sow small amounts every 3 weeks.
The best months for leaf production are late spring and Autumn. Coriander is will grow best sown directly rather than grown in seed trays and transplanting.
This is because transplanting disturbance will also cause then to run to seed.
Sow directly into well drained, fertile soil. If your soil needs to be improved add good garden compost or well rotted manure.
Rake into the surface of the soil to remove any large lumps or stones leaving a fine and even tilth.
Seeds are best sown in groups of 5 spaced 20cm between rows and 20cm between plants.
You can also grow coriander successfully in pots or trays filled with a good multipurpose compost.
Coriander plants have deep tap roots so pots need to be at least 25cm deep. Scatter seeds on the surface of the compost and cover, watering well. In a pot of 25cm diameter you can sow approx 5 seeds per pot.