When to Plant Parsley in Ste. Genevieve County, MO
Parsley is a biennial herb available in flat-leaf (Italian) and curly varieties. It is a nutritional powerhouse rich in vitamins C and K and adds fresh flavor to countless dishes.
Ste. Genevieve County, Missouri is in USDA Zone 6b. The average last spring frost is April 10 and the first fall frost is October 25, giving you a growing season of approximately 198 days.
At an elevation of 947 feet, Ste. Genevieve County receives approximately 32.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Parsley during the growing season.
Ste. Genevieve County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-7.1
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Parsley Planting Timeline — Ste. Genevieve County, MO
Parsley Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 6 | Mar 6 – Mar 20 |
| Transplant Outdoors | April 3 | Apr 3 – Apr 17 |
| Direct Sow | March 27 | Mar 27 – Apr 17 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | June 5 | Jun 5 – Aug 7 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
60–80 days
Soil pH
6 – 7
USDA Zone
Zone 6b
Growing Season
198 days
Growing Tips for Ste. Genevieve County
Start seeds indoors 6-8 weeks before last frost. Soak seeds overnight as germination is slow. Harvest outer stems first to keep plants productive. Parsley attracts swallowtail butterflies.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Parsley in Other Locations
Frequently Asked Questions
When should I plant Parsley in Ste. Genevieve County, MO?
Ste. Genevieve County is in Zone 6b with an average last frost of April 10. Plan your Parsley planting based on this frost date — see the calendar above for exact timing.
What planting zone is Ste. Genevieve County, MO?
Ste. Genevieve County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 10 and first fall frost is October 25.
Plan Your Garden with Confidence
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