When to plant tomato in Bristol
Tomato is frost-tender, so every date keys off Bristol's last spring frost of Apr 12.
Step 1 · Sow
Start seeds indoors
Mar 19 – Apr 9
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jul 5 – Jul 26
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Sep 3 – Sep 28
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Bristol's 204-day season leaves this much room.
Tomato on Bristol'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 12
NOV 11
Common questions
When will tomato be ready to harvest in Bristol?
Expect to harvest from around early September (Sep 3–Sep 28) in Bristol, based on its local frost dates. Confidence 75%.
When should I start tomato seeds indoors in Bristol?
Start seeds indoors around mid March (Mar 19–Apr 9) in Bristol, based on its local frost dates. Confidence 79%.
When can I transplant tomato outdoors in Bristol?
Transplant outdoors around early July (Jul 5–Jul 26) in Bristol, based on its local frost dates. Confidence 81%.
How long is the growing season in Bristol?
Bristol has roughly 204 frost-free days, which is enough time to grow tomato to maturity outdoors.
The rule of thumb
Sow tomato 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 Bristol's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.