When to Plant Endive in Colorado
Colorado spans USDA hardiness 4a to 7a (zones 4a to 7a on this page). Plant endive by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a
Endive planting calendar for Colorado, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
spring planting
Start seeds indoors
Apr 3
Transplant outdoors
May 1
Projected first harvest
Jul 30
fall planting
Direct sow
Jun 7
Projected first harvest
Sep 5
spring planting
fall planting
Most endive mature in about 90 days. Full zone 4 guide (both 4a and 4b) →
Endive planting calendar for Colorado, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
spring planting
Start seeds indoors
Mar 29
Transplant outdoors
Apr 26
Projected first harvest
Jul 25
fall planting
Direct sow
Jun 12
Projected first harvest
Sep 10
spring planting
fall planting
Most endive mature in about 90 days. Full zone 4 guide (both 4a and 4b) →
Endive planting calendar for Colorado, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
spring planting
Start seeds indoors
Mar 24
Transplant outdoors
Apr 21
Projected first harvest
Jul 20
fall planting
Direct sow
Jun 18
Projected first harvest
Sep 16
spring planting
fall planting
Most endive mature in about 90 days. Full zone 5 guide (both 5a and 5b) →
Endive planting calendar for Colorado, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
spring planting
Start seeds indoors
Mar 19
Transplant outdoors
Apr 16
Projected first harvest
Jul 15
fall planting
Direct sow
Jun 22
Projected first harvest
Sep 20
spring planting
fall planting
Most endive mature in about 90 days. Full zone 5 guide (both 5a and 5b) →
Endive planting calendar for Colorado, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Start seeds indoors
Mar 14
Transplant outdoors
Apr 11
Projected first harvest
Jul 10
fall planting
Direct sow
Jun 27
Projected first harvest
Sep 25
spring planting
fall planting
Most endive mature in about 90 days. Full zone 6 guide (both 6a and 6b) →
Endive planting calendar for Colorado, Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Mar 9
Transplant outdoors
Apr 6
Projected first harvest
Jul 5
fall planting
Direct sow
Jul 2
Projected first harvest
Sep 30
spring planting
fall planting
Most endive mature in about 90 days. Full zone 6 guide (both 6a and 6b) →
Endive planting calendar for Colorado, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
spring planting
Start seeds indoors
Mar 4
Transplant outdoors
Apr 1
Projected first harvest
Jun 30
fall planting
Direct sow
Jul 7
Projected first harvest
Oct 5
spring planting
fall planting
Most endive mature in about 90 days. Full zone 7 guide (both 7a and 7b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of endive in the HomeSown library. Tap any for its full grow guide.
Common problems with endive
What to watch for, with identification and treatment for each
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