When to plant leek in Glendale

Leek is cold-hardy, so every date keys off Glendale's frost dates.
Step 1 · Sow
Direct sow outdoors
Dec 27 – Jan 17
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 6 – Apr 26
Picking runs until conditions turn against the crop.
Window
Days to maturity
100 – 120 d
From sowing to first pick.

Common questions

When can I sow leek outdoors in Glendale?

Direct-sow around late December (Dec 27–Jan 17) in Glendale, based on its local frost dates. Confidence 80%.

When will leek be ready to harvest in Glendale?

Expect to harvest from around early April (Apr 6–Apr 26) in Glendale, based on its local frost dates. Confidence 74%.

How long is the growing season in Glendale?

Glendale has roughly 365 frost-free days, which is enough time to grow leek to maturity outdoors.

The rule of thumb

Sow leek as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Glendale's frost dates.

Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.