Utah planting calendar

When to plant pole beans in Utah — sow, transplant & harvest dates

Utah is mostly USDA zone 6b (range 4a-9a). Dates below are derived from pole beans's frost tolerance and Utah's frost window — not generic national averages.

Pole Beans planting timetable for Utah

Stage	When in Utah	Anchor
Direct-sow outside	early May (May 2)	7 days after the last frost (late April (Wasatch Front))
First harvest (estimate)	early July (July 6)	~65 days from direct sow

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why Utah's climate shifts the pole beans dates

Utah's last spring frost averages late April (Wasatch Front) and first fall frost mid-October (Wasatch Front), which sets the whole planting clock. Utah ranges from alpine mountains to warm southern desert. Elevation and aridity drive plant choice; the Wasatch Front has the main growing belt. Wait for warm soil — pole beans stall in cold ground even after the air warms, so don't rush them out.

Direct sow only — pole beans resent root disturbance and transplanting rarely improves yield. Sow 1 inch deep after last frost once soil reaches at least 60 °F (16 °C); seeds rot in cold wet soil. Harvest begins 60–70 days from sowing and continues until frost if pods are picked regularly; unlike bush beans, no succession sowing is needed. Install trellis or poles (6–8 ft) at sowing time.

Frost-risk note

Don't plant before late April (Wasatch Front) — even a light frost will kill seedlings overnight. In the high Uinta and central mountains (zone 4a) the safe date runs a week or two later.

Regional variation within Utah

the high Uinta and central mountains (zone 4a) runs roughly 1-2 weeks behind the state average; the southwest Dixie around St. George (zone 9a) can plant 1-2 weeks earlier.

Salt Lake City — USDA zone 7a
Provo — USDA zone 7a
St. George — USDA zone 8b
Ogden — USDA zone 7a
Logan — USDA zone 6a

What else to plant in Utah around then

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Quick-grow guide

Sun: Full sun — 6+ hours direct.
Soil temperature for germination: 16–35 °C (60–95 °F); optimal 21–27 °C (70–80 °F).
Spacing: 4–6 inches (10–15 cm) plants; 24–36 inches (60–90 cm) between rows between plants.
Days to harvest: ~65 days from planting out.

Frequently asked questions

When is the best time to plant pole beans in Utah?

In Utah (mostly USDA zone 6b), direct-sow pole beans early May (after the last frost, late April), and harvest from early July. Pole Beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

What USDA zone is Utah?

Most of Utah sits in USDA hardiness zone 6b, with the state spanning roughly 4a-9a from the high Uinta and central mountains (zone 4a) to the southwest Dixie around St. George (zone 9a). The last spring frost averages late April (Wasatch Front) and the first fall frost mid-October (Wasatch Front).

Can you grow pole beans in Utah?

Yes. Utah's dominant zone 6b supports pole beans — the key is timing. Pole Beans are frost-tender — a single light frost kills seedlings, so they only go outside once frost danger has fully passed and the soil is warm.

Does the planting date change across Utah?

the high Uinta and central mountains (zone 4a) runs roughly 1-2 weeks behind the state average; the southwest Dixie around St. George (zone 9a) can plant 1-2 weeks earlier.

What else can I plant in Utah around the same time?

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.