Bleeding heart
Lamprocapnos spectabilis
Zones 3-
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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Blessed milkthistle
Silybum marianum
Zones 5-
10
Blood banana
Musa acuminata 'Zebrina'
Zones 9-
11
Blood flower
Asclepias curassavica
Zones 9-
11
Blood orange
Citrus × sinensis 'Moro'
Zones 9-
11
Bloody geranium
Geranium sanguineum
Zones 3-
9
Blue atlas cedar
Cedrus atlantica (Glauca Group)
Zones 6-
9
Blue cardinal flower
Lobelia siphilitica
Zones 4-
9
Blue elder
Sambucus nigra subsp. Cerulea
Zones 4-
9
Blue false indigo
Baptisia australis
Zones 3-
9
Blue fescue
Festuca glauca 'Boulder Blue'
Zones 4-
9
Blue fescue
Festuca glauca 'Casca11' BEYOND BLUE
Zones 4-
9
Blue flag
Iris versicolor
Zones 3-
9
Blue grama
Bouteloua gracilis
Zones 3-
10
Blue grama
Bouteloua gracilis 'Hachita'
Zones 3-
10
Blue grama
Bouteloua gracilis 'Blonde Ambition'
Zones 3-
10
Blue green sedge
Carex flacca
Zones 4-
9
Blue iris
Iris spuria
Zones 5-
9
Blue jasmine
Clematis crispa
Zones 6-
9
Blue mistflower
Conoclinium coelestinum
Zones 5-
10
Blue mountain lilac
Ceanothus thyrsiflorus 'Skylark'
Zones 7-
10
Blue passionflower
Passiflora caerulea
Zones 7-
9
Blue sage
Salvia azurea 'Nekan'
Zones 4-
9
Blue sage
Salvia azurea
Zones 5-
9
Blue sage
Salvia azurea var. Grandiflora
Zones 5-
9
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Blue sedge
Carex flacca 'Blue Zinger'
Zones 5-
9
Blue star
Amsonia 'Blue Ice'
Zones 4-
9
Blue star
Amsonia tabernaemontana 'Montana'
Zones 4-
9
Blue star
Amsonia ciliata
Zones 5-
9
Blue star
Amsonia tabernaemontana
Zones 3-
9
Blue star
Amsonia tabernaemontana var. Salicifolia
Zones 3-
9
Blue star
Amsonia ciliata var. Filifolia
Zones 5-
9
Blue star
Amsonia ciliata 'Halfway to Arkansas'
Zones 5-
9
Blue star
Amsonia 'Midway to Montana'
Zones 4-
9
Blue star
Amsonia tabernaemontana 'Storm Cloud'
Zones 3-
9
Blue star
Amsonia 'Starstruck'
Zones 4-
9
Blue waxweed
Cuphea viscosissima
Zones 6-
9
Blue-eyed grass
Sisyrinchium angustifolium
Zones 4-
9
Blue-eyed grass
Sisyrinchium angustifolium SASSY GRASS
Zones 4-
9
Blue-eyed Mary
Collinsia verna
Zones 2-
11
Bluebeard
Caryopteris × clandonensis 'Dark Knight'
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Worcester Gold'
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Longwood Blue'
Zones 5-
9
Bluebeard
Caryopteris divaricata 'Snow Fairy'
Zones 6-
9
Bluebeard
Caryopteris × clandonensis 'Heavenly Blue'
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Arthur Simmonds'
Zones 5-
9
Bluebeard
Caryopteris incana 'Jason' SUNSHINE BLUE
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Minibleu' PETIT BLEU
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Lisaura' HINT OF GOLD
Zones 5-
9
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Bluebeard
Caryopteris × clandonensis 'Lissilv' STERLING SILVER
Zones 5-
9
Bluebeard
Caryopteris × clandonensis 'Blauer Splatz' SAPPHIRE SURF
Zones 5-
9
Blueberry
Vaccinium 'Pink Lemonade'
Zones 4-
9
Bluestem
Andropogon capillipes 'Valdosta Blue'
Zones 6-
10
Boat lily
Tradescantia spathacea
Zones 9-
11
Bog bean
Menyanthes trifoliata
Zones 3-
10
Bog spurge
Euphorbia palustris
Zones 5-
10
Borage
Borago officinalis
Zones 2-
11
Border bearded iris
Iris 'Rielle'
Zones 3-
10
Boston ivy
Parthenocissus tricuspidata 'Lowii'
Zones 3-
9
Bottle gourd
Lagenaria siceraria
Zones 2-
11
Bottlebrush bush
Callistemon acuminatus
Zones 9-
11
Bottlebrush grass
Elymus hystrix
Zones 5-
9
Bougainvillea
Bougainvillea (group)
Zones 9-
11
Bourbon rose
Rosa 'Zéphirine Drouhin'
Zones 5-
9
Bowles' golden sedge
Carex elata 'Aurea'
Zones 5-
9
Boxelder
Acer negundo 'Flamingo'
Zones 3-
9
Boxelder
Acer negundo
Zones 2-
10
Boxwood
Buxus microphylla 'Peergold' GOLDEN DREAM
Zones 6-
9
Boxwood
Buxus microphylla 'Apple Green'
Zones 6-
9
Boxwood
Buxus microphylla 'Compacta'
Zones 6-
9
Boxwood
Buxus microphylla 'Curly Locks'
Zones 6-
9
Boxwood
Buxus microphylla 'Green Pillow'
Zones 6-
9
Boxwood
Buxus microphylla 'John Baldwin'
Zones 6-
9
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Boxwood
Buxus sempervirens 'Aurea Pendula'
Zones 6-
9
Boxwood
Buxus 'Green Gem'
Zones 4-
9
Boxwood
Buxus 'Green Mountain'
Zones 5-
9
Bracken
Pteridium aquilinum
Zones 3-
10
Brass buttons
Leptinella squalida 'Platt's Black'
Zones 4-
10
Brazilian dwarf morning-glory
Evolvulus glomeratus
Zones 8-
11
Brazilian joyweed
Alternanthera brasiliana 'Purple Prince'
Zones 9-
11
Brazilian peppertree
Schinus terebinthifolius
Zones 9-
11
Broad buckler fern
Dryopteris dilatata
Zones 5-
9
Broad-leaf mock orange
Philadelphus pubescens
Zones 6-
9
Broadleaf arrowhead
Sagittaria latifolia
Zones 5-
10
Broadleaf cattail
Typha latifolia
Zones 3-
10
Broccoli
Brassica oleracea (Italica Group)
Zones 2-
11
Brompton stock
Matthiola incana
Zones 7-
10
Broom
Genista spachiana
Zones 8-
10
Broom tea tree
Leptospermum scoparium
Zones 9-
10
Brussels sprouts
Brassica oleracea (Gemmifera Group)
Zones 2-
11
Buckler fern
Dryopteris × complexa 'Robust'
Zones 5-
9
Buckler fern
Dryopteris × complexa
Zones 5-
9
Buddha belly bamboo
Bambusa ventricosa
Zones 9-
12
Buffalo grass
Buchloe dactyloides 'Sharp's Improved'
Zones 3-
9
Buffalo grass
Buchloe dactyloides 'Cody'
Zones 3-
9
Bugbane
Actaea matsumurae 'White Pearl'
Zones 4-
9
Bugbane
Actaea dahurica
Zones 4-
9
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Bugleweed
Ajuga reptans 'Atropurpurea'
Zones 3-
9
Bugleweed
Ajuga reptans 'Burgundy Glow'
Zones 3-
10
Bugleweed
Ajuga reptans 'Valfredda' CHOCOLATE CHIP
Zones 4-
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.