Berlin, Berlin
When to plant leek in Berlin
Station data · 86% confidence cool seasonhardy to frost
- Harvestmid JulyJul 20 – Aug 9 · 77% conf.
- Start seeds indoorsmid FebruaryFeb 14 – Mar 7 · 82% conf.
- Transplant outdoorsmid AprilApr 11 – May 2 · 86% conf.
The growing window at a glance
Frost-free growing season · 168 daysFrost risk (before Apr 25 / after Oct 10)
Leek at a glance in Berlin
- Needs soil above 7°C to germinate well.
- Days to maturity: 100–120 days.
- Climate zone: Continental, warm summer (Dfb).
Frost dates are probabilities, not guarantees. Your garden's microclimate — slopes, walls, urban heat, cold pockets — can shift these dates by a week or more. Use them as a confident starting point, then watch your local forecast.
Frequently asked
When will leek be ready to harvest in Berlin?
Expect to harvest from around mid July (Jul 20–Aug 9) in Berlin, based on its local frost dates. Confidence 77%.
When should I start leek seeds indoors in Berlin?
Start seeds indoors around mid February (Feb 14–Mar 7) in Berlin, based on its local frost dates. Confidence 82%.
When can I transplant leek outdoors in Berlin?
Transplant outdoors around mid April (Apr 11–May 2) in Berlin, based on its local frost dates. Confidence 86%.
How long is the growing season in Berlin?
Berlin has roughly 168 frost-free days, which is enough time to grow leek to maturity outdoors.