Zone 7 · winter lows 0°F to 10°F
Dahlia for Zone 7
24 Dahlia varieties rated hardy through Zone 7, ranked by how many gardeners actually grow them. Zone 7 is long seasons that reward layered, four-season planting.
The Dahlia that thrive in Zone 7
#1 most savedDahlia
Dahlia variabilis
#2 most savedDinnerplate Cutting Dahlia
Dahlia pinnata 'Dinnerplate Cutting Blend'
#3 most savedHart Dahlia
Dahlia variabilis 'Hart'
Babette Giant Ball Dahlia
Dahlia pinnata 'Babette Giant Ball'
Lady Darlene Dahlia
Dahlia pinnata 'Lady Darlene'
Verda Dahlia
Dahlia variabilis 'Verda'
Mystic Haze Dahlia
Dahlia pinnata 'Mystic Haze'
Mrs. Eileen Dahlia
Dahlia spectabilis 'Mrs Eileen'
David Howard Dahlia
Dahlia pinnata 'David Howard'
Jill Dahlia Mix
Dahlia pinnata 'Jill Dahlia Mix'
Mystic Sparkler Dahlia
Dahlia pinnata 'Mystic Sparkler'
Lilac Time Dinnerplate Dahlia
Dahlia pinnata 'Lilac Time Dinnerplate'
Arabian Night Dahlia
Dahlia x hybrida 'Arabian Night'
Totally Tangerine Dahlia
Dahlia pinnata 'Totally Tangerine'
The Phantom Dahlia
Dahlia cactus 'The Phantom'
Bishop of Oxford Dahlia
Dahlia variabilis 'Bishop of Oxford'
Tree Dahlia
Dahlia imperialis
Cactus Dahlia
Dahlia cactus
Dahlia Sagitta
Dahlia x hybrida 'Sagitta'
Peaches and Cream Dahlia
Dahlia cactus 'Peaches and Cream'
Maki Dahlia
Dahlia dahlia 'Maki'
Red Labyrinth Dahlia
Dahlia x hybrida 'Red Labyrinth'
Chocolate Cosmos
Dahlia choc
Showing the 23 most-saved of 24 Zone 7–hardy Dahlia varieties. See the full Dahlia list →
Dahlia in Zone 7
Will Dahlia survive a Zone 7 winter?
24 of the 126 Dahlia varieties in the Sow catalog are rated hardy through Zone 7, where winter lows reach 0°F to 10°F. Hardiness is per-variety, not per-genus — the plants listed above are the ones that hold up; others in the genus are not rated for this zone.
When should I plant Dahlia in Zone 7?
In Zone 7 the last spring frost typically lands around mid-April and the first fall frost around late October. Planting after the last frost — or in early fall, so roots establish before the ground cools — gives the best establishment. Each plant page lists its own planting months.
Which Dahlia is best for Zone 7?
Start at the top of the list above: it is ranked by how many gardeners actually save and grow each variety, which is a strong real-world reliability signal. Then narrow by your sun exposure and the mature size that fits the bed.
Keep exploring
See Dahlia in your Zone 7 yard
Snap a photo of your space and Sow places these varieties in it at true mature size — then keeps the care schedule for everything you plant.