Sowing leeks in April means strong, sturdy plants that will stand well over the winter.
Discover how to weather-proof your veg crops.
Traditionally, leeks are sown into nursery rows, then transplanted to their final growing position after a few weeks. This means they can fill the space freed up once other crops, such as new potatoes or spring cabbages, have been harvested.
Here's how to sow leeks outdoors.