When to Plant Celery in Lake County, SD
Celery is a marshland plant that requires consistent moisture and cool temperatures to produce crisp, flavorful stalks. It is a rewarding but demanding garden crop.
Lake County, South Dakota is in USDA Zone 4b. The average last spring frost is May 5 and the first fall frost is October 2, giving you a growing season of approximately 150 days.
At an elevation of 766 feet, Lake County receives approximately 24.2 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Celery to ensure they mature before fall.
Lake County Soil Profile
Soil Type
Loam
Soil pH
6.8-7.7
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
Celery Planting Timeline — Lake County, SD
Celery Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 24 | Mar 24 – Apr 7 |
| Transplant Outdoors | May 5 | May 5 – May 19 |
| Direct Sow | April 28 | Apr 28 – May 19 |
| Fall Sowing | July 10 | Jul 10 – Jul 24 |
| Harvest | July 28 | Jul 28 – Sep 22 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
High — keep soil consistently moist
Days to Maturity
80–120 days
Soil pH
6 – 7
USDA Zone
Zone 4b
Growing Season
150 days
Growing Tips for Lake County
Start seeds indoors 10-12 weeks before last frost. Keep soil consistently moist and never let it dry out. Blanch stalks by mounding soil or using collars for milder flavor.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Celery in Other Locations
Frequently Asked Questions
When should I plant Celery in Lake County, SD?
Lake County is in Zone 4b with an average last frost of May 5. Plan your Celery planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lake County, SD?
Lake County, South Dakota is in USDA Hardiness Zone 4b. The average last spring frost is May 5 and first fall frost is October 2.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Lake County gardeners in Zone 4b organize planting dates, track what's growing, and never miss a planting window.
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