When to plant tomato in Gilbert
Tomato is frost-tender, so every date keys off Gilbert's last spring frost of Feb 6.
Step 1 · Sow
Start seeds indoors
Jan 19 – Feb 9
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 14 – Apr 4
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 13 – Jun 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Gilbert's 303-day season leaves this much room.
Tomato on Gilbert'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
FEB 6
DEC 6
Common questions
When will tomato be ready to harvest in Gilbert?
Expect to harvest from around mid May (May 13–Jun 7) in Gilbert, based on its local frost dates. Confidence 75%.
When should I start tomato seeds indoors in Gilbert?
Start seeds indoors around mid January (Jan 19–Feb 9) in Gilbert, based on its local frost dates. Confidence 79%.
When can I transplant tomato outdoors in Gilbert?
Transplant outdoors around mid March (Mar 14–Apr 4) in Gilbert, based on its local frost dates. Confidence 81%.
How long is the growing season in Gilbert?
Gilbert has roughly 303 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 Gilbert's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.