Culinary Herbs

Question

My parsley, basil and coriander plants grown from seed have produced mainly only single stems with hardly any leaf. They are in a fertile potting compost.

Answer 1

You need to "pinch" or trim them. This will encourage a bushier, leafier plant. This article will help:
https://www.gardeningknowhow.com/garden-how-to/info/pinching-plant.htm