Hamburg, Hamburg · DE
When to plant in Hamburg
Station data · 84% confidence Temperate oceanic (Cfb)
Last spring frost
Apr 22
10% risk to May 10
First fall frost
Oct 20
10% risk from Oct 3
Frost-free days
181
1629 GDD (base 10°C)
The growing window at a glance
Frost-free growing season · 181 daysFrost risk (before Apr 22 / after Oct 20)
Planting calendar for Hamburg
Sow, transplant and harvest windows for 30 crops, anchored to this location's frost dates. Tap any crop for its full guide.
CropJFMAMJJASOND
Beetcool_season
Broccolicool_season
Cabbagecool_season
Carrotcool_season
Cauliflowercool_season
Cilantro / Coriandercool_season
Garliccool_season
Kalecool_season
Leekcool_season
Lettucecool_season
Onioncool_season
Peascool_season
Potatocool_season
Radishcool_season
Spinachcool_season
Swiss chardcool_season
Turnipcool_season
Basilwarm_season
Bush (snap) beanwarm_season
Cucumberwarm_season
Eggplantwarm_season
Melon (cantaloupe/watermelon)warm_season
Okrawarm_season
Pepper (sweet & chili)warm_season
Pole beanwarm_season
Summer squash / Zucchiniwarm_season
Sweet cornwarm_season
Sweet potatowarm_season
Tomatowarm_season
Winter squash / Pumpkinwarm_season
Start indoorsTransplant outDirect sowHarvest
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.
About the Temperate oceanic climate
Mild, moist, and even — cool summers and gentle winters give a long, reliable frost-bounded growing season.
Nearby places
Similar climate (Temperate oceanic)
Also see frost dates for Hamburg.