When to plant summer squash / zucchini in Bordeaux
Summer squash / Zucchini is frost-tender, so every date keys off Bordeaux's last spring frost of Apr 10.
Step 1 · Sow
Start seeds indoors
Mar 27 – Apr 17
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 17 – May 8
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 1 – Jun 16
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Bordeaux's 209-day season leaves this much room.
Summer squash / Zucchini 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 10
NOV 5
Common questions
When can I sow summer squash / zucchini outdoors in Bordeaux?
Direct-sow around mid April (Apr 17–May 8) in Bordeaux, based on its local frost dates. Confidence 82%.
When will summer squash / zucchini be ready to harvest in Bordeaux?
Expect to harvest from around early June (Jun 1–Jun 16) in Bordeaux, based on its local frost dates. Confidence 74%.
When should I start summer squash / zucchini seeds indoors in Bordeaux?
Start seeds indoors around late March (Mar 27–Apr 17) in Bordeaux, based on its local frost dates. Confidence 78%.
When can I transplant summer squash / zucchini outdoors in Bordeaux?
Transplant outdoors around mid April (Apr 17–May 8) in Bordeaux, based on its local frost dates. Confidence 82%.
How long is the growing season in Bordeaux?
Bordeaux has roughly 209 frost-free days, which is enough time to grow summer squash / zucchini to maturity outdoors.
The rule of thumb
Sow summer squash / zucchini 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 82/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.