When to plant Salsify in Adair County, IA
Salsify planted in Adair County between April 10 and May 1 matures in 100–130 days — well before the October 9 first frost. A second sowing from July 31 to August 14 extends the harvest into fall.
When to Plant Salsify in Adair County, IA
Salsify is a root vegetable with a subtle oyster-like flavor, earning it the nickname "oyster plant." It produces long, slender, cream-colored roots.
Adair County, Iowa is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 9, giving you a growing season of approximately 168 days.
At an elevation of 554 feet, Adair County receives approximately 38.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Salsify to ensure they mature before fall.
Adair County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Salsify Planting Timeline — Adair County, IA
Salsify Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 10 | Apr 10 – May 1 |
| Harvest | July 24 | Jul 24 – Sep 4 |
| Fall Sowing | July 31 | Jul 31 – Aug 14 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
100–130 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
168 days in Adair County
Growing Tips for Adair County
Direct sow in spring in deeply worked, stone-free soil. Use fresh seed only as viability drops quickly. Harvest in late fall after frost for best flavor.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Salsify in Other Locations
Frequently Asked Questions
When should I plant Salsify in Adair County, IA?
Adair County is in Zone 5b with an average last frost of April 24. Plan your Salsify planting based on this frost date — see the calendar above for exact timing.
What planting zone is Adair County, IA?
Adair County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 9.
When should I plant Salsify in Adair County, IA?
In Adair County, IA, plant Salsify after the last frost (around April 24) and before the first frost (around October 9). Best results when soil holds above 50°F.
What growing zone is Adair County, IA for Salsify?
Adair County sits in USDA Zone 5b. Salsify grows reliably in zones 3a through 9b, so it's a good fit here.
Can Salsify grow in Adair County's climate?
Yes — Salsify grows well in Adair County's temperate climate. Adair County averages a 168-day frost-free season, with last frost around April 24 and first frost around October 9.
Your Adair County Garden Planner — Free
A 22-page printable planner built for Adair County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.