When to plant in Smethport, PA

Planting dates worked out from Smethport's own frost records, not a generic zone chart.

Safe to plant out

Jun 3

1 year in 10 has a later frost

Average last frost

May 21

about a 50% chance of a later one

Average first fall frost

Oct 8

1 year in 10 by Sep 25

Frost-free days

141

median, 1991–2020

Station used: Port Allegany · 13.1 km away · station 450 m, town 475 m. How we match towns to stations

This season

Plan your garden.

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 8 – Apr 22	Jun 3 – Jun 17	Jul 28
Sweet pepper	Mar 25 – Apr 8	Jun 3 – Jun 17	Aug 2
Lettuce (leaf)	Mar 19 – Mar 26	Apr 23 – May 7	Jun 2
Peas	—	Apr 11 – May 9	Jun 5
Bush beans	—	May 27 – Jun 17	Jul 16
Carrot	—	Apr 30 – Jun 11	Jun 29
Beet	—	Apr 23 – Jun 4	Jun 12
Potato	—	Apr 30 – May 21	Jul 9
Kale	Mar 12 – Mar 26	Apr 23 – May 7	Jun 5
Broccoli	Mar 12 – Mar 26	Apr 23 – May 14	Jun 22
Cucumber	May 6 – May 13	Jun 3 – Jun 17	Jul 23
Summer squash and zucchini	May 6 – May 13	Jun 3 – Jun 17	Jul 18
Winter squash	May 6 – May 13	Jun 3 – Jun 17	Aug 22
Sweet corn	—	May 27 – Jun 17	Jul 26
Onion (from sets)	—	Apr 23 – May 14	Jul 22
Garlic	—	Sep 24 – Oct 22 (fall)	following summer
Spinach	—	Apr 11 – May 9	May 19
Basil	Apr 22 – May 6	Jun 3 – Jun 17	Jul 30

How the growing season has shifted here, year by year, from the station's own records.

Each year's last spring frostLong-term trend

See the data as a table

Each year's frost-free daysLong-term trend

See the data as a table

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

What this means for you: This station's record is too short to show a reliable trend yet.

Source: daily records from Port Allegany (NOAA GHCN-Daily). Years with too many missing days are left out.