When to Plant Delicata Squash in Mariposa County, CA
Delicata squash is a winter squash with an edible skin and sweet, creamy orange flesh. Its compact vines make it suitable for smaller gardens.
Mariposa County, California is in USDA Zone 7b. The average last spring frost is April 18 and the first fall frost is November 9, giving you a growing season of approximately 205 days.
At an elevation of 192 feet, Mariposa County receives approximately 19.2 inches of rainfall annually with predominantly loam soil. Summer highs average 91°F, providing good warmth for Delicata Squash during the growing season. With low rainfall, drip irrigation is essential for growing Delicata Squash successfully. Mulch heavily to conserve soil moisture.
Mariposa County Soil Profile
Soil Type
Loam
Soil pH
6.5-7.5
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 8/10 — consider drought-tolerant varieties and mulching
Delicata Squash Planting Timeline — Mariposa County, CA
Delicata Squash Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 21 | Mar 21 – Apr 4 |
| Transplant Outdoors | May 2 | May 2 – May 16 |
| Direct Sow | April 25 | Apr 25 – May 16 |
| Harvest | July 25 | Jul 25 – Aug 29 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors 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
80–100 days
Soil pH
6 – 7
USDA Zone
Zone 7b
Growing Season
205 days
Growing Tips for Mariposa County
Direct sow after last frost on mounds. Harvest when skin is hard and ivory with green stripes. The thin skin does not need peeling. Stores 2-3 months in a cool place.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Delicata Squash in Other Locations
Frequently Asked Questions
When should I plant Delicata Squash in Mariposa County, CA?
Mariposa County is in Zone 7b with an average last frost of April 18. Plan your Delicata Squash planting based on this frost date — see the calendar above for exact timing.
What planting zone is Mariposa County, CA?
Mariposa County, California is in USDA Hardiness Zone 7b. The average last spring frost is April 18 and first fall frost is November 9.
Plan Your Garden with Confidence
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