When to plant Snapdragon in Pope County, IL
Pope County's climate puts the Snapdragon spring window between March 10 and March 31. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 26 to September 9 extends the harvest into fall.
When to Plant Snapdragon in Pope County, IL
Snapdragons (Antirrhinum majus) are classic cool-season annuals whose upright spikes of dragon-lipped flowers are among spring's most dramatic displays. Tolerating light frosts, they bloom from early spring until summer heat shuts them down — then often revive in fall. In zones 9-11 they are grown as fall-planted winter annuals and may re-seed to naturalize.
Pope County, Illinois is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 21, giving you a growing season of approximately 197 days.
At an elevation of 1,120 feet, Pope County receives approximately 39.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Snapdragon during the growing season.
Pope County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Snapdragon Planting Timeline — Pope County, IL
Snapdragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 27 | Jan 27 – Feb 10 |
| Transplant Outdoors | April 7 | Apr 7 – Apr 21 |
| Direct Sow | March 10 | Mar 10 – Mar 31 |
| Bloom | June 16 | Jun 16 – Sep 8 |
| Fall Sowing | August 26 | Aug 26 – Sep 9 |
· 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Direct Sow |
| April | Transplant Outdoors |
| May | — |
| June | Bloom |
| July | Bloom |
| August | Fall Sowing Bloom |
| September | Fall Sowing Bloom |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
70–100 days
🧪 Soil pH
Needs 6.2–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
197 days in Pope County
Growing Tips for Pope County
Start indoors 10-12 weeks before last frost; seeds need light to germinate — press into moist medium and do not cover. Transplant after hardening off, even if light frosts remain. Pinch seedlings once to encourage branching. Deadhead to prolong blooming. In zones 8-11, sow in fall for a winter-to-spring show. Tall varieties (24-36") make excellent cut flowers.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Snapdragon in Other Locations
Frequently Asked Questions
When should I plant Snapdragon in Pope County, IL?
Pope County is in Zone 7a with an average last frost of April 7. Plan your Snapdragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is Pope County, IL?
Pope County, Illinois is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 21.
When should I plant Snapdragon in Pope County, IL?
In Pope County, IL, plant Snapdragon after the last frost (around April 7) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Pope County, IL for Snapdragon?
Pope County sits in USDA Zone 7a. Snapdragon grows reliably in zones 2a through 11b, so it's a good fit here.
Can Snapdragon grow in Pope County's climate?
Yes — Snapdragon grows well in Pope County's temperate climate. Pope County averages a 197-day frost-free season, with last frost around April 7 and first frost around October 21.
Your Pope County Garden Planner — Free
A 22-page printable planner built for Pope County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.