When to plant Chard in Jones County, IA
In Zone 5a (Jones County), direct-sow Chard between April 11 and May 2 for spring, after the April 25 last-frost mark. A second sowing from August 2 to August 16 extends the harvest into fall.
When to Plant Chard in Jones County, IA
Swiss chard is a colorful, heat-tolerant green with large crinkled leaves and vibrant stalks in red, yellow, and white. Both the leaves and stems are edible and nutritious.
Jones County, Iowa is in USDA Zone 5a. The average last spring frost is April 25 and the first fall frost is October 11, giving you a growing season of approximately 169 days.
At an elevation of 837 feet, Jones County receives approximately 31.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Chard during the growing season.
Jones County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Chard Planting Timeline — Jones County, IA
Chard Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 21 | Mar 21 – Apr 4 |
| Transplant Outdoors | April 25 | Apr 25 – May 9 |
| Direct Sow | April 11 | Apr 11 – May 2 |
| Harvest | June 20 | Jun 20 – Aug 8 |
| Fall Sowing | August 2 | Aug 2 – Aug 16 |
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
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
50–60 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
169 days in Jones County
Growing Tips for Jones County
Direct sow or transplant after last frost. Harvest outer leaves regularly to encourage continuous production. Chard tolerates both heat and light frost.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Chard in Other Locations
Frequently Asked Questions
When should I plant Chard in Jones County, IA?
Jones County is in Zone 5a with an average last frost of April 25. Plan your Chard planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jones County, IA?
Jones County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 25 and first fall frost is October 11.
When should I plant Chard in Jones County, IA?
In Jones County, IA, plant Chard after the last frost (around April 25) and before the first frost (around October 11). Best results when soil holds above 50°F.
What growing zone is Jones County, IA for Chard?
Jones County sits in USDA Zone 5a. Chard grows reliably in zones 2a through 11b, so it's a good fit here.
Can Chard grow in Jones County's climate?
Yes — Chard grows well in Jones County's temperate climate. Jones County averages a 169-day frost-free season, with last frost around April 25 and first frost around October 11.
Your Jones County Garden Planner — Free
A 22-page printable planner built for Jones County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.