When to plant summer savory in Salt Lake City, Utah

March 31 – April 14

Transplant outdoors · typical Salt Lake City year

Climate basis: NOAA station Salt Lake Triad Ctr, UT (USC00427606), 1 mi (2 km) from downtown Salt Lake City (ZCTA 84111 centroid), elevation 4280 ft, on the 1991–2020 climate normals. Transplant summer savory outdoors from approximately the dates above, anchored to the median last spring 32°F freeze (March 31). One year in ten still freezes after April 19.

Last spring freezeMarch 311-in-10 after Apr 19

First fall freezeNovember 81-in-10 before Oct 23

Frost-free season≈ 224 daysmedian at 32°F

Hard freeze, 28°Mar 8 – Nov 18kills even hardy greens

USDA zone7b5 to 10°F winter low — not frost timing

The Salt Lake City year

Start seeds indoorsFeb 17 – Mar 3

Transplant outdoorsMar 31 – Apr 14

Direct-sow outdoorsMar 31 – Apr 14

indoors under lights
in the garden
frost-free season
1-in-10 years still freeze to Apr 19

Summer Savory in Salt Lake City · freeze context from Salt Lake Triad Ctr, UT, 1991–2020 normals.

Every method, with its sources

Start seeds indoors

Feb 17 – Mar 3

Illinois Extension allows about 4 to 6 weeks to produce summer savory transplants, and those go out after danger of frost is past, so sowing runs 6 to 4 weeks before the last spring freeze. Anchored to the median last spring freeze (Mar 31). University of Illinois Extension · Texas A&M AgriLife Extension Service

Transplant outdoors

Mar 31 – Apr 14

Illinois Extension transplants summer savory after danger of frost is past, matching the Texas A&M sowing cutoff, so the window opens at the last spring freeze. Anchored to the median last spring freeze (Mar 31). Texas A&M AgriLife Extension Service

Direct-sow outdoors

Mar 31 – Apr 14

Texas A&M AgriLife Extension's herb publication directs seeding summer savory after danger of frost, a point rule that opens a two-week sowing span at the last spring freeze. Anchored to the median last spring freeze (Mar 31). Texas A&M AgriLife Extension Service

Variety assumption: Illinois Extension notes summer savory can be harvested within two months of sowing, so one spring sowing carries the season.

These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.

This week, not a typical year:

Crop rule sources (2)

Texas A&M AgriLife Extension Service: Herbs (Easy Gardening series, EHT-079) (accessed 2026-07-25)
"Seed after danger of frost in full sun; space 6–9 in. apart"
University of Illinois Extension: Savory: Summer | Herbs (accessed 2026-07-25)
"Summer savory is grown from seeds sown directly in the garden or indoors and then transplanted after danger of frost is past."

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