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Colorado September Planting Calendar
What to plant, transplant, and harvest in Colorado this September
Zone 5fall
🌡️ Colorado Frost Dates
Average Last Spring Frost
April 15 - June 15
Average First Fall Frost
September 1 - October 15
🥕 Harvest This Month
These crops should be ready to harvest in Colorado this September.
✅ September Garden Tasks for Colorado
1Plant cover crops
2Harvest storage crops
3Direct sow spinach
4Prepare cold frames
📅 Full Year Calendar for Colorado
📍 September Calendar for Other States
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