When to plant tomato in Cheyenne
Tomato is frost-tender, so every date keys off Cheyenne's last spring frost of May 13.
Step 1 · Sow
Start seeds indoors
Apr 12 – May 3
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jun 16 – Jul 7
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Aug 15 – Sep 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Cheyenne's 136-day season leaves this much room.
Tomato on Cheyenne'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 13
OCT 2
Common questions
When will tomato be ready to harvest in Cheyenne?
Expect to harvest from around mid August (Aug 15–Sep 9) in Cheyenne, based on its local frost dates. Confidence 80%.
When should I start tomato seeds indoors in Cheyenne?
Start seeds indoors around mid April (Apr 12–May 3) in Cheyenne, based on its local frost dates. Confidence 85%.
When can I transplant tomato outdoors in Cheyenne?
Transplant outdoors around mid June (Jun 16–Jul 7) in Cheyenne, based on its local frost dates. Confidence 86%.
How long is the growing season in Cheyenne?
Cheyenne has roughly 136 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 Cheyenne's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.