When to plant Celery in Caroline County, MD
The best window to plant Celery in Caroline County, is March 21–April 11, when soil warms to 50°F. Last frost typically hits April 4; first frost November 4. A second sowing from August 26 to September 9 extends the harvest into fall.
When to Plant Celery in Caroline County, MD
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.
Caroline County, Maryland is in USDA Zone 7b. The average last spring frost is April 4 and the first fall frost is November 4, giving you a growing season of approximately 214 days.
At an elevation of 469 feet, Caroline County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Celery during the growing season.
Caroline County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Celery Planting Timeline — Caroline County, MD
Celery Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 28 | Feb 28 – Mar 14 |
| Transplant Outdoors | April 4 | Apr 4 – Apr 18 |
| Direct Sow | March 21 | Mar 21 – Apr 11 |
| Harvest | June 27 | Jun 27 – Aug 22 |
| Fall Sowing | August 26 | Aug 26 – Sep 9 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing |
| 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
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7b
📆 Growing Season
214 days in Caroline County
Growing Tips for Caroline 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
Check more plant combinations with our Companion Planting Checker →
Celery in Other Locations
Frequently Asked Questions
When should I plant Celery in Caroline County, MD?
Caroline County is in Zone 7b with an average last frost of April 4. Plan your Celery planting based on this frost date — see the calendar above for exact timing.
What planting zone is Caroline County, MD?
Caroline County, Maryland is in USDA Hardiness Zone 7b. The average last spring frost is April 4 and first fall frost is November 4.
When should I plant Celery in Caroline County, MD?
In Caroline County, MD, plant Celery after the last frost (around April 4) and before the first frost (around November 4). Best results when soil holds above 50°F.
What growing zone is Caroline County, MD for Celery?
Caroline County sits in USDA Zone 7b. Celery grows reliably in zones 2a through 10b, so it's a good fit here.
Can Celery grow in Caroline County's climate?
Yes — Celery grows well in Caroline County's temperate climate. Caroline County averages a 214-day frost-free season, with last frost around April 4 and first frost around November 4.
Your Caroline County Garden Planner — Free
A 22-page printable planner built for Caroline County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.