When to plant basil in Auckland
Basil is frost-tender, so every date keys off Auckland's last spring frost.
Step 1 · Sow
Direct sow outdoors
Nov 25 – Dec 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jan 24 – Feb 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 90 d
From sowing to first pick.
Common questions
When can I sow basil outdoors in Auckland?
Direct-sow around late November (Nov 25–Dec 16) in Auckland, based on its local frost dates. Confidence 44%.
When will basil be ready to harvest in Auckland?
Expect to harvest from around late January (Jan 24–Feb 23) in Auckland, based on its local frost dates. Confidence 40%.
How long is the growing season in Auckland?
Auckland has roughly 365 frost-free days, which is enough time to grow basil to maturity outdoors.
The rule of thumb
Sow basil 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and Auckland's frost dates.
Confidence 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.