When to Plant Parsnip in Osage County, MO
Parsnips are a sweet, nutty root vegetable that develops best flavor after exposure to frost. They require a long growing season but reward patient gardeners.
Osage County, Missouri is in USDA Zone 6a. The average last spring frost is April 6 and the first fall frost is October 30, giving you a growing season of approximately 207 days.
At an elevation of 1,300 feet, Osage County receives approximately 38.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Parsnip during the growing season.
Osage County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.7
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
Parsnip Planting Timeline — Osage County, MO
Parsnip Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 23 | Mar 23 – Apr 13 |
| Fall Sowing | August 21 | Aug 21 – Sep 4 |
| Harvest | July 6 | Jul 6 – Aug 17 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow |
| May | — |
| June | — |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
100–130 days
Soil pH
6 – 7
USDA Zone
Zone 6a
Growing Season
207 days
Growing Tips for Osage County
Use only fresh seed as parsnip seed viability declines rapidly. Sow directly in spring in deeply worked soil. Leave roots in the ground through winter for sweetest flavor.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Parsnip in Other Locations
Frequently Asked Questions
When should I plant Parsnip in Osage County, MO?
Osage County is in Zone 6a with an average last frost of April 6. Plan your Parsnip planting based on this frost date — see the calendar above for exact timing.
What planting zone is Osage County, MO?
Osage County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 6 and first fall frost is October 30.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Osage County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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