When to plant basil in Bordeaux
Basil is frost-tender, so every date keys off Bordeaux's last spring frost of Apr 7.
Step 1 · Sow
Start seeds indoors
Mar 20 – Apr 10
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 31 – Jun 21
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 30 – Aug 29
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 90 d
Bordeaux's 215-day season leaves this much room.
Basil on Bordeaux's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FROST
APR 7
NOV 11
Common questions
When can I sow basil outdoors in Bordeaux?
Direct-sow around late May (May 31–Jun 21) in Bordeaux, based on its local frost dates. Confidence 44%.
When will basil be ready to harvest in Bordeaux?
Expect to harvest from around late July (Jul 30–Aug 29) in Bordeaux, based on its local frost dates. Confidence 40%.
When should I start basil seeds indoors in Bordeaux?
Start seeds indoors around mid March (Mar 20–Apr 10) in Bordeaux, based on its local frost dates. Confidence 43%.
When can I transplant basil outdoors in Bordeaux?
Transplant outdoors around late May (May 31–Jun 21) in Bordeaux, based on its local frost dates. Confidence 44%.
How long is the growing season in Bordeaux?
Bordeaux has roughly 215 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 Bordeaux's frost dates.
Confidence 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.