When to plant Broccoli in DeKalb County, IN
DeKalb County's climate puts the Broccoli spring window between April 12 and May 3. time plantings around the expected last-frost window for best survival. A second sowing from August 8 to August 22 extends the harvest into fall.
When to Plant Broccoli in DeKalb County, IN
Broccoli is a nutrient-dense cool-season crop that produces large central heads followed by smaller side shoots. It is one of the most popular garden vegetables.
DeKalb County, Indiana is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 17, giving you a growing season of approximately 174 days.
At an elevation of 671 feet, DeKalb County receives approximately 37.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Broccoli during the growing season.
DeKalb County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Broccoli to Grow
For a family of 4, plant approximately 12 broccoli plants in about 24 sq ft. In DeKalb County's 174-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Broccoli Planting Timeline — DeKalb County, IN
Broccoli Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 22 | Mar 22 – Apr 5 |
| Transplant Outdoors | April 26 | Apr 26 – May 10 |
| Direct Sow | April 12 | Apr 12 – May 3 |
| Harvest | June 28 | Jun 28 – Aug 9 |
| Fall Sowing | August 8 | Aug 8 – Aug 22 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
174 days in DeKalb County
Growing Tips for DeKalb County
Start seeds indoors 6-8 weeks before last frost. Provide consistent moisture to prevent hollow stems. Harvest heads before yellow flowers appear.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Isolate 1/2 mile from other brassicas. Biennial — must overwinter roots.
Broccoli in Other Locations
Frequently Asked Questions
When should I plant Broccoli in DeKalb County, IN?
DeKalb County is in Zone 6a with an average last frost of April 26. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.
What planting zone is DeKalb County, IN?
DeKalb County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 26 and first fall frost is October 17.
When should I plant Broccoli in DeKalb County, IN?
In DeKalb County, IN, plant Broccoli after the last frost (around April 26) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is DeKalb County, IN for Broccoli?
DeKalb County sits in USDA Zone 6a. Broccoli grows reliably in zones 2a through 11b, so it's a good fit here.
Can Broccoli grow in DeKalb County's climate?
Yes — Broccoli grows well in DeKalb County's temperate climate. DeKalb County averages a 174-day frost-free season, with last frost around April 26 and first frost around October 17.
Your DeKalb County Garden Planner — Free
A 22-page printable planner built for DeKalb County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.