Hamburg, Hamburg

When to plant melon (cantaloupe/watermelon) in Hamburg

Station data · 84% confidence warm seasontender to frost

  • Direct sow
    early May
    May 6 – May 27 · 84% conf.
  • Harvest
    mid July
    Jul 20 – Aug 14 · 76% conf.
  • Start seeds indoors
    early April
    Apr 1 – Apr 22 · 80% conf.
  • Transplant outdoors
    early May
    May 6 – May 27 · 84% conf.

The growing window at a glance

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

Melon (cantaloupe/watermelon) at a glance in Hamburg

CropJFMAMJJASOND
Start indoorsTransplant outDirect sowHarvest
  • Needs soil above 21°C to germinate well.
  • Days to maturity: 75–100 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 melon (cantaloupe/watermelon) outdoors in Hamburg?

Direct-sow around early May (May 6–May 27) in Hamburg, based on its local frost dates. Confidence 84%.

When will melon (cantaloupe/watermelon) be ready to harvest in Hamburg?

Expect to harvest from around mid July (Jul 20–Aug 14) in Hamburg, based on its local frost dates. Confidence 76%.

When should I start melon (cantaloupe/watermelon) seeds indoors in Hamburg?

Start seeds indoors around early April (Apr 1–Apr 22) in Hamburg, based on its local frost dates. Confidence 80%.

When can I transplant melon (cantaloupe/watermelon) outdoors in Hamburg?

Transplant outdoors around early May (May 6–May 27) 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 melon (cantaloupe/watermelon) to maturity outdoors.