When to plant summer squash / zucchini in Munich
Summer squash / Zucchini is frost-tender, so every date keys off Munich's last spring frost of May 8.
Step 1 · Sow
Start seeds indoors
Apr 24 – May 15
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 15 – Jun 5
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 29 – Jul 14
Picking runs until conditions turn against the crop.
Window
Days to maturity
45 – 60 d
Munich's 146-day season leaves this much room.
Summer squash / Zucchini on Munich'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
MAY 8
OCT 1
Common questions
When can I sow summer squash / zucchini outdoors in Munich?
Direct-sow around mid May (May 15–Jun 5) in Munich, based on its local frost dates. Confidence 84%.
When will summer squash / zucchini be ready to harvest in Munich?
Expect to harvest from around late June (Jun 29–Jul 14) in Munich, based on its local frost dates. Confidence 76%.
When should I start summer squash / zucchini seeds indoors in Munich?
Start seeds indoors around late April (Apr 24–May 15) in Munich, based on its local frost dates. Confidence 80%.
When can I transplant summer squash / zucchini outdoors in Munich?
Transplant outdoors around mid May (May 15–Jun 5) in Munich, based on its local frost dates. Confidence 84%.
How long is the growing season in Munich?
Munich has roughly 146 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 Munich's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.