When to Plant Dahlias in Alabama
In a typical Alabama location, plant outdoors Mar 28 – Apr 11. Across the state, the outdoor planting window starts as early as Feb 28 in Mobile and as late as Apr 13 in Jacksonville.
Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.
Dahlias Planting Dates by City
| City | Plant outdoors |
|---|---|
| Huntsville | Mar 31 – Apr 14 |
| Birmingham | Mar 28 – Apr 11 |
| Montgomery | Mar 20 – Apr 3 |
| Mobile | Feb 28 – Mar 14 |
| Tuscaloosa | Mar 25 – Apr 8 |
| Hoover | Mar 26 – Apr 9 |
| Dothan | Mar 8 – Mar 22 |
| Auburn | Mar 20 – Apr 3 |
| Decatur | Apr 2 – Apr 16 |
| Madison | Mar 31 – Apr 14 |
| Florence | Apr 3 – Apr 17 |
| Phenix City | Mar 12 – Mar 26 |
| Gadsden | Mar 26 – Apr 9 |
| East Florence | Apr 3 – Apr 17 |
| Prattville | Mar 20 – Apr 3 |
| Vestavia Hills | Mar 28 – Apr 11 |
| Alabaster | Mar 26 – Apr 9 |
| Opelika | Apr 5 – Apr 19 |
| Enterprise | Mar 16 – Mar 30 |
| Bessemer | Mar 30 – Apr 13 |
| Homewood | Mar 28 – Apr 11 |
| Athens | Mar 27 – Apr 10 |
| Daphne | Mar 22 – Apr 5 |
| Northport | Mar 25 – Apr 8 |
| Dixiana | Apr 11 – Apr 25 |
| Pelham | Mar 26 – Apr 9 |
| Prichard | Feb 28 – Mar 14 |
| Anniston | Mar 30 – Apr 13 |
| Albertville | Mar 24 – Apr 7 |
| Oxford | Mar 30 – Apr 13 |
Showing the 30 most populous of 72 Alabama cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Alabama cities.
Frequently Asked Questions
When should I plant dahlias in Alabama?
In a typical Alabama location, plant outdoors Mar 28 – Apr 11. Across the state, the outdoor planting window starts as early as Feb 28 in Mobile and as late as Apr 13 in Jacksonville.
When is the last frost in Alabama?
The average last spring frost in Alabama ranges from February 21 in Mobile to April 6 in Jacksonville, based on NOAA 1991–2020 climate normals.
How long do dahlias take to grow?
Dahlias typically take 90–120 days from planting to harvest. Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.
Other Crops in Alabama
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Sweet Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
When to plant dahlias in other states