When Is the Last Frost?

When to plant cilantro

Cilantro is a cool-season crop that tolerates light frost and prefers to grow in cool weather. Cilantro bolts quickly in heat; sow small amounts often.

About 45 days from planting to harvest.

Get exact dates for your garden

Planting dates by hardiness zone

ZoneTypical last frostStart indoorsSow outdoorsFall crop
2aMay 24—May 10 – May 31Jul 12 – Aug 2
3bMay 17—May 3 – May 24Jul 30 – Aug 20
4aMay 12—Apr 28 – May 19Aug 3 – Aug 24
4bMay 8—Apr 24 – May 15Aug 6 – Aug 27
5aMay 3—Apr 19 – May 10Aug 10 – Aug 31
5bMay 1—Apr 17 – May 8Aug 16 – Sep 6
6aApr 29—Apr 15 – May 6Aug 22 – Sep 12
6bApr 22—Apr 8 – Apr 29Aug 27 – Sep 17
7aApr 16—Apr 2 – Apr 23Aug 30 – Sep 20
7bApr 5—Mar 22 – Apr 12Sep 6 – Sep 27
8aMar 29—Mar 15 – Apr 5Sep 12 – Oct 3
8bMar 16—Mar 2 – Mar 23Sep 19 – Oct 10
9aMar 3—Feb 17 – Mar 10Sep 30 – Oct 21
9bFeb 20—Feb 6 – Feb 27Oct 10 – Oct 31
10aMar 2—Feb 16 – Mar 9Oct 6 – Oct 27

Zone rows use the median frost dates of all ZIP codes in that zone. Zones measure winter cold, not season length, so two places in the same zone can have frost dates weeks apart — use your ZIP code for real dates.

When to plant cilantro in major cities

CityMedian last frostSow outdoorsFall crop
Seattle, WAMar 13Feb 27 – Mar 20Sep 22 – Oct 13
Portland, ORFeb 25Feb 11 – Mar 4Oct 6 – Oct 27
Salt Lake City, UTApr 25Apr 11 – May 2Aug 23 – Sep 13
Denver, COApr 30Apr 16 – May 7Aug 17 – Sep 7
Minneapolis, MNApr 23Apr 9 – Apr 30Aug 21 – Sep 11
Chicago, ILApr 10Mar 27 – Apr 17Sep 10 – Oct 1
Detroit, MIApr 27Apr 13 – May 4Aug 30 – Sep 20
Kansas City, MOApr 4Mar 21 – Apr 11Sep 7 – Sep 28
Columbus, OHApr 20Apr 6 – Apr 27Aug 29 – Sep 19
Boston, MAApr 4Mar 21 – Apr 11Sep 14 – Oct 5
New York, NYMar 30Mar 16 – Apr 6Sep 25 – Oct 16
Philadelphia, PAMar 30Mar 16 – Apr 6Sep 22 – Oct 13
Washington, DCMar 29Mar 15 – Apr 5Sep 13 – Oct 4
Charlotte, NCMar 30Mar 16 – Apr 6Sep 8 – Sep 29
Nashville, TNApr 1Mar 18 – Apr 8Sep 5 – Sep 26
Atlanta, GAMar 25Mar 11 – Apr 1Sep 14 – Oct 5
Dallas, TXMar 2Feb 16 – Mar 9Oct 4 – Oct 25

Growing cilantro: quick facts

Frost toleranceHalf-hardy: tolerates light frost (about 28–32°F)
Soil temperatureat least 40°F to germinate; 55–70°F is ideal
Planting depth¼–½ in
Spacing6–8 in
Germination7–14 days
Days to harvestabout 45 days from planting

Typical figures from university extension planting guides. Seed packets give the best numbers for a specific variety.

Other cool-season crops

PeasLettuceSpinachKaleBroccoliCabbageCauliflowerCarrotsBeetsRadishesOnionsPotatoesSwiss ChardGarlic