When to plant tomato in Glendale
Tomato is frost-tender, so every date keys off Glendale's last spring frost of Jan 27.
Step 1 · Sow
Start seeds indoors
Jan 3 – Jan 24
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
Glendale's 322-day season leaves this much room.
Tomato on Glendale'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
JAN 27
DEC 15
Common questions
When will tomato be ready to harvest in Glendale?
Expect to harvest from around mid May (May 13–Jun 7) in Glendale, based on its local frost dates. Confidence 78%.
When should I start tomato seeds indoors in Glendale?
Start seeds indoors around early January (Jan 3–Jan 24) in Glendale, based on its local frost dates. Confidence 83%.
When can I transplant tomato outdoors in Glendale?
Transplant outdoors around mid March (Mar 14–Apr 4) in Glendale, based on its local frost dates. Confidence 84%.
How long is the growing season in Glendale?
Glendale has roughly 322 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 Glendale's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.