When to plant Broccoli in Jackson County, IN
In Jackson County, plant Broccoli in spring between March 29 and April 19, once soil temps hold above 50°F. Jackson County's last frost averages April 12, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between August 11 and August 25 — roughly 60–90 days before the first frost on October 20.
When to Plant Broccoli in Jackson 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.
Jackson County, Indiana is in USDA Zone 6b. The average last spring frost is April 12 and the first fall frost is October 20, giving you a growing season of approximately 191 days.
At an elevation of 1,250 feet, Jackson County receives approximately 33.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Broccoli during the growing season.
Jackson 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 Jackson County's 191-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Broccoli Planting Timeline — Jackson County, IN
Broccoli Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 8 | Mar 8 – Mar 22 |
| Transplant Outdoors | April 12 | Apr 12 – Apr 26 |
| Direct Sow | March 29 | Mar 29 – Apr 19 |
| Harvest | June 14 | Jun 14 – Jul 26 |
| Fall Sowing | August 11 | Aug 11 – Aug 25 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| 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 6b
📆 Growing Season
191 days in Jackson County
Growing Tips for Jackson 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 Jackson County, IN?
Jackson County is in Zone 6b with an average last frost of April 12. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, IN?
Jackson County, Indiana is in USDA Hardiness Zone 6b. The average last spring frost is April 12 and first fall frost is October 20.
When should I plant Broccoli in Jackson County, IN?
In Jackson County, IN, plant Broccoli after the last frost (around April 12) and before the first frost (around October 20). Best results when soil holds above 50°F.
What growing zone is Jackson County, IN for Broccoli?
Jackson County sits in USDA Zone 6b. Broccoli grows reliably in zones 2a through 11b, so it's a good fit here.
Can Broccoli grow in Jackson County's climate?
Yes — Broccoli grows well in Jackson County's temperate climate. Jackson County averages a 191-day frost-free season, with last frost around April 12 and first frost around October 20.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.