Lemon mint
Monarda citriodora
Zones 2-
11
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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Lemon verbena
Aloysia citriodora
Zones 8-
10
Leopard lily
Iris domestica 'Hello Yellow'
Zones 5-
10
Leopard plant
Farfugium japonicum
Zones 7-
10
Leopard plant
Farfugium japonicum 'Wavy Gravy'
Zones 7-
10
Lettuce
Lactuca sativa
Zones 2-
11
Lettuce
Lactuca sativa 'Merlot'
Zones 2-
11
Leucanthemella
Leucanthemella serotina
Zones 4-
9
Levant cotton
Gossypium herbaceum
Zones 9-
11
Licorice plant
Helichrysum petiolare
Zones 9-
11
Licuri palm
Syagrus coronata
Zones 9-
12
Lilac chastetree
Vitex agnus-castus
Zones 6-
9
Lily of the Incas
Alstroemeria 'Sweet Laura'
Zones 5-
9
Lily of the Incas
Alstroemeria 'Casablanca'
Zones 8-
10
Lily of the Incas
Alstroemeria 'Koice' INCA ICE
Zones 5-
9
Lily of the Incas
Alstroemeria aurea
Zones 7-
10
Lily of the Incas
Alstroemeria 'The Third Harmonic'
Zones 8-
10
Lily of the Incas
Alstroemeria 'Pacific Sunset Dark Pink'
Zones 8-
10
Lily of the Incas
Alstroemeria 'Jupiter'
Zones 7-
10
Lily of the Nile
Agapanthus (group)
Zones 6-
10
Lily of the Nile
Agapanthus 'Summer Skies'
Zones 6-
10
Lily of the Nile
Agapanthus 'Headbourne Hybrids'
Zones 7-
10
Lily turf
Liriope muscari 'Big Blue'
Zones 5-
10
Lily turf
Liriope muscari 'Tidwell's Big Blue'
Zones 5-
10
Lily turf
Liriope muscari 'Variegata'
Zones 5-
10
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Lily turf
Liriope muscari 'Okina'
Zones 5-
10
Lily turf
Liriope spicata 'Gin-ryu' SILVER DRAGON
Zones 4-
10
Lily turf
Liriope muscari 'Royal Purple'
Zones 5-
10
Lindera
Lindera triloba
Zones 7-
9
Lindheimer's beeblossom
Gaura 'Florgaure' GAUDI RED
Zones 6-
9
Lindheimer's beeblossom
Oenothera lindheimeri
Zones 5-
9
Lion's ear
Leonotis leonurus
Zones 8-
11
Lisianthus
Eustoma grandiflorum
Zones 8-
10
Little bluestem
Schizachyrium scoparium 'The Blues'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'MinnblueA' BLUE HEAVEN
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Blaze'
Zones 3-
9
Little bluestem
Schizachyrium scoparium
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Prairie Blues'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Jazz'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Carousel'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Standing Ovation'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Prairie Munchkin'
Zones 3-
9
Little bluestem
Schizachyrium scoparium 'Blue Paradise' PRAIRIE WINDS
Zones 3-
9
Little hogweed
Portulaca oleracea
Zones 2-
11
Little pickles
Othonna capensis
Zones 5-
10
Little volcano bush clover
Lespedeza thunbergii subsp. Thunbergii 'Little Volcano'
Zones 6-
10
Littleflower alumroot
Heuchera parviflora var. Puberula
Zones 5-
9
Littleflower alumroot
Heuchera parviflora
Zones 5-
9
Littleleaf false tamarind
Lysiloma watsonii
Zones 9-
11
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Live oak
Quercus virginiana
Zones 8-
10
Lizard's tail
Saururus cernuus
Zones 3-
9
Lizard's tail
Saururus chinensis
Zones 4-
9
Lobelia
Lobelia 'La Fresco'
Zones 4-
9
Lobelia
Lobelia × gerardii 'Vedrariensis'
Zones 5-
9
Loblolly pine
Pinus taeda
Zones 6-
9
Log fern
Dryopteris celsa
Zones 5-
9
Longspike tridens
Tridens strictus
Zones 5-
9
Loquat
Eriobotrya japonica
Zones 8-
10
Louisiana iris
Iris 'Black Gamecock'
Zones 4-
9
Louisiana iris
Iris 'Professor Neil'
Zones 5-
9
Love-in-a-mist
Nigella damascena
Zones 2-
11
Love-lies-bleeding
Amaranthus caudatus
Zones 2-
11
Lovegrass
Eragrostis trichodes 'Bend'
Zones 5-
9
Lovegrass
Eragrostis elliottii 'Wind Dancer'
Zones 6-
9
Lowland fragile fern
Cystopteris protrusa
Zones 2-
9
Lungwort
Pulmonaria 'Raspberry Splash'
Zones 4-
9
Lungwort
Pulmonaria 'May Bouquet'
Zones 4-
9
Lungwort
Pulmonaria 'Cotton Cool'
Zones 4-
9
Lungwort
Pulmonaria 'Trevi Fountain'
Zones 4-
9
Lungwort
Pulmonaria 'Moonshine'
Zones 4-
9
Lungwort
Pulmonaria 'Baby Blue'
Zones 4-
9
Lungwort
Pulmonaria 'Irish Spring' GAELIC SPRING
Zones 4-
9
Lungwort
Pulmonaria 'Mountain Magic' GAELIC MAGIC
Zones 4-
9
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Lupine
Lupinus 'Manhattan Lights'
Zones 4-
9
Luzon viburnum
Viburnum luzonicum
Zones 7-
9
Lycoris
Lycoris sanguinea
Zones 6-
10
Lycoris
Lycoris sprengeri
Zones 6-
10
Lycoris
Lycoris chinensis
Zones 5-
9
Lycoris
Lycoris caldwellii
Zones 5-
9
Macadamia nut
Macadamia integrifolia
Zones 9-
11
Mad-dog scullcap
Scutellaria lateriflora
Zones 3-
9
Madwort
Alyssum wulfenianum 'Golden Spring'
Zones 4-
9
Magnolia
Magnolia 'Galaxy'
Zones 5-
9
Magnolia
Magnolia × brooklynensis 'Woodsman'
Zones 5-
9
Magnolia
Magnolia × loebneri 'Ballerina'
Zones 5-
9
Magnolia
Magnolia × loebneri
Zones 5-
9
Magnolia
Magnolia × loebneri 'Leonard Messel'
Zones 5-
9
Magnolia
Magnolia × loebneri 'Merrill'
Zones 5-
9
Magnolia
Magnolia × wieseneri
Zones 6-
9
Magnolia
Magnolia × loebneri 'Powder Puff'
Zones 5-
9
Magnolia
Magnolia 'Butterflies'
Zones 5-
9
Magnolia
Magnolia 'Judy Zuk'
Zones 5-
9
Magnolia
Magnolia wilsonii
Zones 6-
9
Mahonia
Mahonia trifoliolata
Zones 7-
9
Maiden pink
Dianthus deltoides 'Albus'
Zones 2-
9
Maidenhair tree
Ginkgo biloba 'Troll'
Zones 3-
9
Maikoa
Brugmansia suaveolens
Zones 8-
10
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Male fern
Dryopteris filix-mas 'Linearis Polydactyla'
Zones 5-
9
Male fern
Dryopteris filix-mas 'Linearis'
Zones 5-
9
Manchu rose
Rosa xanthina
Zones 5-
9
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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.