When to plant Swiss chard

The planting dates depend on your average frost dates. Enter a ZIP code to get yours, or read the USDA table below.

Earliest safe spring planting dates: swiss chard
Average last freezePlant
Jan 30Jan 1 – Apr 1
Feb 8Jan 10 – Apr 1
Feb 18Jan 20 – Apr 15
Feb 28Feb 1 – May 1
Mar 10Feb 15 – May 15
Mar 20Feb 20 – May 15
Mar 30Mar 1 – May 25
Apr 10Mar 15 – June 15
Apr 20Apr 1 – June 15
Apr 30Apr 15 – June 15
May 10Apr 20 – June 15
May 20May 10 – June 15
May 30May 20 – June 1
June 10June 1 – 15
Latest safe fall planting dates: swiss chard
Average first freezePlant by
Aug 30May 15 – June 15
Sept 10May 15 – July 1
Sept 20June 1 – July 1
Sept 30June 1 – July 5
Oct 10June 1 – July 20
Oct 20June 1 – Aug 1
Oct 30June 1 – Sept 10
Nov 10June 1 – Sept 15
Nov 20June 1 – Oct 1
Nov 30June 1 – Nov 1
Dec 10June 1 – Dec 1
Dec 20June 1 – Dec 31

Source: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. The bulletin scan.

Swiss Chard by state