Christchurch, Canterbury · NZ
When to plant in Christchurch
Station data · 80% confidence Temperate oceanic (Cfb)
Last spring frost
Oct 10
10% risk to Nov 1
First fall frost
Apr 20
10% risk from Apr 3
Frost-free days
192
1728 GDD (base 10°C)
The growing window at a glance
Frost-free growing season · 192 daysFrost risk (before Oct 10 / after Apr 20)
Planting calendar for Christchurch
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 Christchurch.