When leeks come out of the garden looking more like green drinking straws than sturdy vegetables, something has gone sideways. Those skinny stalks usually point to a growing problem involving timing, spacing, moisture, sunlight, soil, or some combination of the usual suspects.
Thin leeks rarely require some mysterious gardener-only trick involving moon phases and a secret handshake. Leeks simply need enough time and the right conditions to build that thick white shank, and a few small changes can make a surprisingly big difference.