Hardiness zone guide
Plants for Zone 8
Winter lows of 10°F to 20°F set the rules here — mild winters open the door to broadleaf evergreens and early bloom. Every plant below is proven hardy in Zone 8 and ranked by how many Sow gardeners actually grow it.
Most-saved Zone 8 plants
#1 most savedCheyenne Spirit Coneflower
Echinacea purpurea 'Cheyenne Spirit'
#2 most savedButterfly Weed
Asclepias tuberosa
#3 most savedPink Muhly Grass
Muhlenbergia capillaris

May Night Sage
Salvia nemorosa 'May Night'

Purple Coneflower Rainbow
Echinacea purpurea 'Rainbow'

Incrediball Hydrangea
Hydrangea arborescens 'Incrediball'

Hello Yellow Butterfly Weed
Asclepias tuberosa 'Hello Yellow'

Old Farmyard Hollyhock
Alcea rosea 'Old Farmyard'

Butterfly Kisses Coneflower
Echinacea purpurea 'Butterfly Kisses'

Butterfly Weed Gay Butterflies Milkweed
Asclepias tuberosa 'Gay Butterflies'

Gay Butterflies Mix Butterfly Weed
Asclepias tuberosa 'Gay Butterflies Mix'

Butterfly Garden Butterfly Weed
Asclepias tuberosa 'Deluxe Butterfly Garden'

Butterfly Milkweed
Asclepias x hybrida

American Gold Rush Black-eyed Susan
Rudbeckia hirta 'American Gold Rush'

Garden Phlox
Phlox paniculata 'Mix'

Walker's Low Catmint
Nepeta x faassenii 'Walker's Low'

Pugster Amethyst Butterfly Bush
Buddleja davidii 'Pugster Amethyst'

Mixed Border Blanket Flower
Gaillardia x grandiflora 'Mixed Border'

Zinnia Raggedy Ann
Zinnia elegans 'Raggedy Ann'

Prairie Phlox
Phlox pilosa

Autumn Colors Mix Black-eyed Susan
Rudbeckia hirta 'Autumn Colors Mix'

Cinderella Milkweed
Asclepias incarnata 'Cinderella'

Dwarf Wild Indigo
Baptisia minor

Common Milkweed
Asclepias syriaca
Looking for something specific? Search the full catalog and filter by zone, sun, and size.
Zone 8 questions
What does USDA Zone 8 mean?
Zone 8 averages winter minimums of 10°F to 20°F. A plant rated for Zone 8 survives those lows in the ground — mild winters open the door to broadleaf evergreens and early bloom.
When is the last frost in Zone 8?
Typically around late March, with first fall frost near mid-November. Local microclimates shift this by a week or two — Sow tracks your actual forecast and warns you before frost nights.
How many plants grow in Zone 8?
10,347 plants in the Sow catalog are hardy in Zone 8, from groundcovers to shade trees. The picks above are ranked by real gardeners, not editorial guesswork.
Keep exploring
Garden smarter in Zone 8
Sow knows your zone, tracks your real weather, and tells you what to plant, prune, and protect — week by week.