When to plant Snapdragon in Devils Elbow, MO
In Zone 6b (Devils Elbow), direct-sow Snapdragon between March 19 and April 9 for spring, after the April 9 last-frost mark.
When to Plant Snapdragon in Devils Elbow, MO
August in Pulaski County, Missouri — your action list
We've pulled the most time-sensitive tasks for Pulaski County, Missouri this August and put them front and centre. Tackle them in order.
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It's harvest week for snapdragon
If you can't use it all right away, check the food-preservation section of your planner.
Coming up in September — start thinking about
- First harvests: snapdragon
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.
Devils Elbow, Missouri is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is October 25, giving you a growing season of approximately 199 days.
At an elevation of 877 feet, Pulaski County receives approximately 35.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Snapdragon during the growing season.
Devils Elbow Soil Profile
Soil Type
Silt Loam
Soil pH
5.4-6.6
Drainage
Well Drained
Snapdragon Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Soil Compatibility in Devils Elbow
How your county's soil matches Snapdragon's growing requirements.
Soil pH
Your soil pH (5.4–6.6) is more acidic than Snapdragon prefers (6.2–7.0). Add garden lime to raise pH.
Soil Texture
The silt loam soil in Pulaski County is excellent for Snapdragon — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.4%). Annual compost additions will help Snapdragon.
How to Plant Snapdragon
Succession Planting Snapdragon
Sow every 8 weeks. Last sowing by Jul 17 to harvest before frost.
Snapdragon Water Budget
Monthly Watering Guide for Snapdragon
Snapdragon needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Snapdragon Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.4" | 0" | ❄️ Dormant |
| Feb | — | 1.7" | 0" | ❄️ Dormant |
| Mar | — | 2.2" | 0" | ❄️ Dormant |
| Apr | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| May | 4.3" | 3.6" | 0.7" | 💧 Light watering |
| Jun | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 3.4" | 0.9" | 💧 Light watering |
| Sep | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Oct | 4.3" | 2.9" | 1.4" | 💧 Light watering |
| Nov | — | 2.5" | 0" | ❄️ Dormant |
| Dec | — | 2.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Pulaski County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Snapdragon Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Snapdragon Planting Timeline — Devils Elbow, MO
Snapdragon Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 29 | Jan 29 – Feb 12 |
| Transplant Outdoors | April 9 | Apr 9 – Apr 23 |
| Direct Sow | March 19 | Mar 19 – Apr 9 |
| Bloom | June 18 | Jun 18 – Sep 3 |
· 9" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | Bloom |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
1"/week · Only during dry spells
📅 Days to Maturity
70–100 days
🧪 Soil pH
Needs 6.2–7 · Your soil: too_acidic
🗺️ USDA Zone
Zone 6b
📆 Growing Season
199 days in Pulaski County
Growing Tips for Snapdragon in Devils Elbow
Direct sow Snapdragon outdoors after April 09 in Pulaski County when soil has warmed and frost danger has passed.
General growing tips
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
When should I plant Snapdragon in Devils Elbow, MO?
In Devils Elbow, MO, plant Snapdragon after the last frost (around April 9) and before the first frost (around October 25). Best results when soil holds above 50°F.
What growing zone is Devils Elbow, MO for Snapdragon?
Devils Elbow sits in USDA Zone 6b. Snapdragon grows reliably in zones 2a through 11b, so it's a good fit here.
Can Snapdragon grow in Devils Elbow's climate?
Yes — Snapdragon grows well in Devils Elbow's temperate climate. Devils Elbow averages a 199-day frost-free season, with last frost around April 9 and first frost around October 25.
Your Pulaski County Garden Planner — Free
A 22-page printable planner built for Pulaski 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.