When to Plant Spaghetti Squash in Scott County, IA
Spaghetti squash is a winter squash whose cooked flesh separates into pasta-like strands. It is a popular low-carb alternative to pasta.
Scott County, Iowa is in USDA Zone 5a. The average last spring frost is April 15 and the first fall frost is October 17, giving you a growing season of approximately 185 days.
At an elevation of 678 feet, Scott County receives approximately 37.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Spaghetti Squash to ensure they mature before fall.
Scott County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-6.7
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Spaghetti Squash Planting Timeline — Scott County, IA
Spaghetti Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 11 | Mar 11 – Mar 25 |
| Transplant Outdoors | April 29 | Apr 29 – May 13 |
| Direct Sow | April 22 | Apr 22 – May 13 |
| Harvest | July 29 | Jul 29 – Aug 26 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
85–100 days
Soil pH
6 – 7
USDA Zone
Zone 5a
Growing Season
185 days
Growing Tips for Scott County
Direct sow on mounds after last frost. Harvest when skin turns golden yellow and is hard. Store in a cool, dry place for 2-3 months. Bake or microwave halves until tender.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Spaghetti Squash in Other Locations
Frequently Asked Questions
When should I plant Spaghetti Squash in Scott County, IA?
Scott County is in Zone 5a with an average last frost of April 15. Plan your Spaghetti Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is Scott County, IA?
Scott County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 15 and first fall frost is October 17.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Scott County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.
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