When to Plant Dahlias in Kansas
In a typical Kansas location, plant outdoors Apr 20 – May 4. Across the state, the outdoor planting window starts as early as Apr 11 in Kansas City and as late as May 5 in Garden City.
Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.
Dahlias Planting Dates by City
| City | Plant outdoors |
|---|---|
| Wichita | Apr 18 – May 2 |
| Overland Park | Apr 17 – May 1 |
| Kansas City | Apr 11 – Apr 25 |
| Olathe | Apr 17 – May 1 |
| Topeka | Apr 23 – May 7 |
| Lawrence | Apr 19 – May 3 |
| Shawnee | Apr 11 – Apr 25 |
| Manhattan | Apr 23 – May 7 |
| Lenexa | Apr 17 – May 1 |
| Salina | Apr 25 – May 9 |
| Hutchinson | Apr 25 – May 9 |
| Leavenworth | Apr 19 – May 3 |
| Leawood | Apr 17 – May 1 |
| Dodge City | Apr 28 – May 12 |
| Garden City | May 5 – May 19 |
| Emporia | Apr 22 – May 6 |
| Junction City | Apr 19 – May 3 |
| Derby | Apr 21 – May 5 |
| Prairie Village | Apr 11 – Apr 25 |
| Hays | Apr 26 – May 10 |
| Gardner | Apr 20 – May 4 |
| Liberal | Apr 27 – May 11 |
| Pittsburg | Apr 14 – Apr 28 |
| Newton | Apr 21 – May 5 |
| Great Bend | May 1 – May 15 |
| McPherson | Apr 25 – May 9 |
| El Dorado | Apr 20 – May 4 |
| Andover | Apr 17 – May 1 |
| Ottawa | Apr 25 – May 9 |
| Winfield | Apr 23 – May 7 |
Showing the 30 most populous of 40 Kansas cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Kansas cities.
Frequently Asked Questions
When should I plant dahlias in Kansas?
In a typical Kansas location, plant outdoors Apr 20 – May 4. Across the state, the outdoor planting window starts as early as Apr 11 in Kansas City and as late as May 5 in Garden City.
When is the last frost in Kansas?
The average last spring frost in Kansas ranges from April 4 in Kansas City to April 28 in Garden City, 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 Kansas
- 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