When to plant peas in Tucson
Peas is cold-hardy, so every date keys off Tucson's frost dates of Feb 27.
Step 1 · Sow
Direct sow outdoors
Dec 26 – Jan 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 19 – Mar 6
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 28 – Sep 11
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 29 – Nov 13
Maturity window for the second sowing.
Window
Days to maturity
55 – 70 d
Tucson's 278-day season leaves this much room.
Peas on Tucson'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
FEB 27
NOV 27
Common questions
When can I sow peas outdoors in Tucson?
Direct-sow around late December (Dec 26–Jan 16) in Tucson, based on its local frost dates. Confidence 81%.
When will peas be ready to harvest in Tucson?
Expect to harvest from around mid February (Feb 19–Mar 6) in Tucson, based on its local frost dates. Confidence 75%.
Can I plant peas in autumn in Tucson?
Yes — Tucson supports a second, autumn sowing of peas around late August (Aug 28–Sep 11), timed to mature before the first fall frost.
How long is the growing season in Tucson?
Tucson has roughly 278 frost-free days, which is enough time to grow peas to maturity outdoors.
The rule of thumb
Sow peas as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Tucson's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.