Hamburg, Hamburg

When to plant basil in Hamburg

Station data · 84% confidence warm seasontender to frost

  • Direct sow
    late April
    Apr 29 – May 20 · 84% conf.
  • Harvest
    late June
    Jun 28 – Jul 28 · 76% conf.
  • Start seeds indoors
    mid March
    Mar 18 – Apr 8 · 80% conf.
  • Transplant outdoors
    late April
    Apr 29 – May 20 · 84% conf.

The growing window at a glance

Frost-free growing season · 181 daysFrost risk (before Apr 22 / after Oct 20)

Basil at a glance in Hamburg

CropJFMAMJJASOND
Basilwarm season
Start indoorsTransplant outDirect sowHarvest
  • Needs soil above 16°C to germinate well.
  • Days to maturity: 60–90 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 basil outdoors in Hamburg?

Direct-sow around late April (Apr 29–May 20) in Hamburg, based on its local frost dates. Confidence 84%.

When will basil be ready to harvest in Hamburg?

Expect to harvest from around late June (Jun 28–Jul 28) in Hamburg, based on its local frost dates. Confidence 76%.

When should I start basil seeds indoors in Hamburg?

Start seeds indoors around mid March (Mar 18–Apr 8) in Hamburg, based on its local frost dates. Confidence 80%.

When can I transplant basil outdoors in Hamburg?

Transplant outdoors around late April (Apr 29–May 20) in Hamburg, based on its local frost dates. Confidence 84%.

How long is the growing season in Hamburg?

Hamburg has roughly 181 frost-free days, which is enough time to grow basil to maturity outdoors.