When to plant Snapdragon in St. Clair County, AL
Plant Snapdragon in St. Clair County from February 20 to March 13 in spring. St. Clair County sits in USDA Zone 8a, with last frost around March 27 and first frost on November 1. A second sowing from August 23 to September 6 extends the harvest into fall.
When to Plant Snapdragon in St. Clair County, AL
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.
St. Clair County, Alabama is in USDA Zone 8a. The average last spring frost is March 27 and the first fall frost is November 1, giving you a growing season of approximately 219 days.
At an elevation of 211 feet, St. Clair County receives approximately 48.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89°F, providing good warmth for Snapdragon during the growing season. Clay soil retains moisture well for Snapdragon, but amend with compost to improve drainage and prevent root rot.
St. Clair County Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Snapdragon Planting Timeline — St. Clair County, AL
Snapdragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 16 | Jan 16 – Jan 30 |
| Transplant Outdoors | March 13 | Mar 13 – Mar 27 |
| Direct Sow | February 20 | Feb 20 – Mar 13 |
| Bloom | May 22 | May 22 – Sep 11 |
| Fall Sowing | August 23 | Aug 23 – Sep 6 |
· 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Bloom |
| 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 8a
📆 Growing Season
219 days in St. Clair County
Growing Tips for St. Clair 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 St. Clair County, AL?
St. Clair County is in Zone 8a with an average last frost of March 27. Plan your Snapdragon planting based on this frost date — see the calendar above for exact timing.
What planting zone is St. Clair County, AL?
St. Clair County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 27 and first fall frost is November 1.
When should I plant Snapdragon in St. Clair County, AL?
In St. Clair County, AL, plant Snapdragon after the last frost (around March 27) and before the first frost (around November 1). Best results when soil holds above 50°F.
What growing zone is St. Clair County, AL for Snapdragon?
St. Clair County sits in USDA Zone 8a. Snapdragon grows reliably in zones 2a through 11b, so it's a good fit here.
Can Snapdragon grow in St. Clair County's climate?
Yes — Snapdragon grows well in St. Clair County's temperate climate. St. Clair County averages a 219-day frost-free season, with last frost around March 27 and first frost around November 1.
Your St. Clair County Garden Planner — Free
A 22-page printable planner built for St. Clair County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.