Sweet alyssum
Lobularia maritima
Zones 5-
9
9
USDA Hardiness Zone 9
20 to 30°F • Very warm winter climates
Includes sub-zones: 9a, 9b | Ideal for: tropical plants, palms, citrus trees | 3047 total plants
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Sweet autumn virginsbower
Clematis terniflora
Zones 5-
9
Sweet basil
Ocimum basilicum
Zones 2-
11
Sweet bay magnolia
Magnolia virginiana 'Jim Wilson' MOONGLOW
Zones 5-
10
Sweet bay magnolia
Magnolia virginiana
Zones 5-
10
Sweet bell pepper
Capsicum annuum 'Park's Early Thickset'
Zones 9-
11
Sweet briar rose
Rosa rubiginosa
Zones 4-
9
Sweet cicely
Myrrhis odorata
Zones 5-
9
Sweet fennel
Foeniculum vulgare
Zones 4-
9
Sweet flag
Acorus calamus 'Variegatus'
Zones 4-
10
Sweet flag
Acorus calamus
Zones 4-
10
Sweet gum
Liquidambar styraciflua 'Rotundiloba'
Zones 5-
9
Sweet gum
Liquidambar styraciflua 'Hapdell' HAPPIDAZE
Zones 5-
9
Sweet gum
Liquidambar styraciflua
Zones 5-
9
Sweet gum
Liquidambar acalycina
Zones 6-
9
Sweet gum
Liquidambar orientalis
Zones 7-
9
Sweet marjoram
Origanum majorana
Zones 9-
10
Sweet pea
Lathyrus odoratus
Zones 2-
11
Sweet pepper
Capsicum annuum 'Bananarama'
Zones 9-
11
Sweet pepperbush
Clethra alnifolia 'Hummingbird'
Zones 3-
9
Sweet pepperbush
Clethra alnifolia SHERRY SUE
Zones 4-
9
Sweet pepperbush
Clethra alnifolia
Zones 3-
9
Sweet pepperbush
Clethra alnifolia 'Batsto Blush'
Zones 3-
9
Sweet pepperbush
Clethra alnifolia 'Sotite' WHITE DOVE
Zones 3-
9
Sweet potato
Ipomoea batatas
Zones 9-
11
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Sweet potato vine
Ipomoea batatas 'NCORNSP-021SHJB' SWEET CAROLINE SWEETHEART JET BLACK
Zones 9-
11
Sweet viburnum
Viburnum odoratissimum
Zones 7-
9
Sweet viburnum
Viburnum odoratissimum var. Awabuki
Zones 7-
9
Sweet William
Dianthus barbatus 'Sooty'
Zones 3-
9
Sweet William
Dianthus barbatus
Zones 3-
9
Swiss chard
Beta vulgaris (Leaf Beet Group)
Zones 2-
11
Swiss chard
Beta vulgaris (Leaf Beet Group) 'Bright Lights'
Zones 2-
11
Switch grass
Panicum virgatum 'Cloud Nine'
Zones 5-
9
Switch grass
Panicum virgatum 'Heavy Metal'
Zones 5-
9
Switch grass
Panicum virgatum 'Prairie Sky'
Zones 4-
9
Switch grass
Panicum virgatum 'Rehbraun'
Zones 5-
9
Switch grass
Panicum virgatum 'Squaw'
Zones 5-
9
Switch grass
Panicum virgatum 'Rotstrahlbusch'
Zones 5-
9
Switch grass
Panicum virgatum 'Shenandoah'
Zones 5-
9
Switch grass
Panicum virgatum 'Northwind'
Zones 5-
9
Switch grass
Panicum virgatum 'Dallas Blues'
Zones 5-
9
Switch grass
Panicum 'Prairie Fire'
Zones 5-
9
Switch grass
Panicum 'Huron Solstice'
Zones 4-
9
Switch grass
Panicum virgatum 'RR1' RUBY RIBBONS
Zones 4-
9
Switch grass
Panicum virgatum 'Badlands'
Zones 5-
9
Switch grass
Panicum virgatum 'Cheyenne Sky'
Zones 5-
9
Switch grass
Panicum virgatum 'Dust Devil'
Zones 4-
9
Switch grass
Panicum virgatum
Zones 5-
9
Synandrospadix
Synandrospadix vermitoxicus
Zones 9-
10
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Tabebuia
Tabebuia rosea
Zones 9-
11
Taiwania
Taiwania cryptomerioides
Zones 8-
10
Tall bearded iris
Iris 'Midnight Fragrance'
Zones 3-
10
Tall bearded iris
Iris 'Champagne Elegance'
Zones 3-
9
Tall bearded iris
Iris 'City Lights'
Zones 3-
10
Tall bearded iris
Iris 'Beverly Sills'
Zones 3-
9
Tall bearded iris
Iris 'Eagles Flight'
Zones 3-
9
Tall bearded iris
Iris 'Immortality'
Zones 3-
9
Tall bearded iris
Iris 'America's Cup'
Zones 3-
10
Tall bearded iris
Iris 'Wild West Wind'
Zones 3-
10
Tall bearded iris
Iris 'Dutch Chocolate'
Zones 3-
9
Tall bearded iris
Iris 'Whispering Spirits'
Zones 3-
10
Tall bearded iris
Iris 'Florentina'
Zones 3-
9
Tall bearded iris
Iris 'Flavescens'
Zones 3-
9
Tall bearded reblooming iris
Iris 'Northward Ho'
Zones 3-
10
Tall bearded reblooming iris
Iris 'October'
Zones 3-
10
Tall bearded reblooming iris
Iris 'St. Petersburg'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Autumn Tryst'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Buckwheat'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Clarence'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Happy New Year'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Winterland'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Pagan Goddess'
Zones 3-
10
Tall bearded reblooming iris
Iris 'Jennifer Rebecca'
Zones 3-
10
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Tall verbena
Verbena bonariensis 'Buenos Aires'
Zones 7-
9
Tall verbena
Verbena bonariensis
Zones 7-
11
Tanacetum
Tanacetum haradjanii
Zones 8-
10
Tannia
Xanthosoma sagittifolium
Zones 8-
10
Taro
Colocasia esculenta 'Black Magic'
Zones 8-
10
Taro
Colocasia esculenta 'Pink China'
Zones 6-
10
Taro
Colocasia esculenta 'Mojito'
Zones 8-
10
Taro
Colocasia esculenta 'Blue Hawaii'
Zones 8-
10
Taro
Colocasia esculenta 'Black Coral'
Zones 7-
12
Taro
Colocasia esculenta 'Kona Coffee'
Zones 7-
10
Taro
Colocasia esculenta
Zones 8-
10
Taro
Colocasia fallax
Zones 8-
10
Taro
Colocasia esculenta 'Hawaiian Punch'
Zones 8-
10
Taro
Colocasia esculenta 'Elena'
Zones 7-
10
Taro
Colocasia esculenta 'Black Ripple'
Zones 8-
11
Taro
Colocasia esculenta 'Royal Hawaiian Aloha'
Zones 7-
10
Taro
Colocasia esculenta 'Tropical Storm'
Zones 8-
10
Tartarian aster
Aster tataricus
Zones 3-
9
Tasteless stonecrop
Sedum sexangulare
Zones 3-
9
Tat soi
Brassica rapa var. Rosularis
Zones 2-
11
Tazetta daffodil
Narcissus 'Minnow'
Zones 5-
9
Tazetta daffodil
Narcissus 'Golden Dawn'
Zones 5-
9
Tea
Camellia sinensis
Zones 7-
9
Tetraploid daylily
Hemerocallis 'Strawberry Rose'
Zones 3-
9
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Tetraploid daylily
Hemerocallis 'Rose'
Zones 3-
9
Tetraploid daylily
Hemerocallis 'Respighi'
Zones 3-
9
Tetraploid daylily
Hemerocallis 'Ruffles Elegante'
Zones 3-
9
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View all 3047 plants for Zone 9 with advanced filtering options. Search by plant type, sun exposure, water needs, and more.
See All PlantsBest Plants for Zone 9
USDA Hardiness Zone 9 experiences winter minimum temperatures between 20 to 30°F. This collection includes 3047 plants specifically suited for Zone 9 conditions, including tropical plants, palms, citrus trees.
Understanding Your Hardiness Zone
The USDA hardiness zone is based on average annual minimum winter temperature. While it's an excellent starting point, also consider your local microclimate, soil conditions, rainfall patterns, and summer heat when selecting plants.