Hamburg, Hamburg
When to plant spinach in Hamburg
Station data · 84% confidence cool seasonvery-hardy to frost
- Direct sowmid MarchMar 11 – Apr 1 · 84% conf.
- Harvestmid AprilApr 20 – Apr 30 · 76% conf.
The growing window at a glance
Frost-free growing season · 181 daysFrost risk (before Apr 22 / after Oct 20)
Spinach at a glance in Hamburg
- Needs soil above 4°C to germinate well.
- Days to maturity: 40–50 days.
- Climate zone: Temperate oceanic (Cfb).
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 can I sow spinach outdoors in Hamburg?
Direct-sow around mid March (Mar 11–Apr 1) in Hamburg, based on its local frost dates. Confidence 84%.
When will spinach be ready to harvest in Hamburg?
Expect to harvest from around mid April (Apr 20–Apr 30) in Hamburg, based on its local frost dates. Confidence 76%.
How long is the growing season in Hamburg?
Hamburg has roughly 181 frost-free days, which is enough time to grow spinach to maturity outdoors.