Zone 10
South-central Florida, the warmest low deserts and coastal southern California. Many tropical and subtropical plants are possible; cold snaps are rare but damaging.
What zone 10 means
Zone 10 covers places where the average coldest night of the year falls between 30 and 40 °F (-1 to 4 °C). Zone 10a is the colder half (30 to 35 °F) and zone 10b the warmer half (35 to 40 °F).
A plant rated “hardy to zone 10” is expected to survive that typical winter low with its roots in the ground.
What the zone doesn’t tell you
- Summer heat and humidity — many plants rated for zone 10 still fail from heat, especially in the Southeast.
- Rainfall and drainage — cold plus wet soil kills plants that would survive cold in dry soil.
- Frost dates — the length of the growing season is a separate question; check local frost dates.
- Your microclimate — walls, slopes, pavement and wind shift conditions by half a zone or more across one property.
Find your exact zone on the USDA Plant Hardiness Zone Map, then treat it as one filter among several. The planner’s OL-HARDY check uses the zone you set for the site.
Catalog plants rated for zone 10
Hardiness is necessary, not sufficient: check light, moisture and soil on each plant page, and prefer plants native to your region. Filter the plant library by zone 10.
Trees (9)
Desert willow · Crapemyrtle · Southern magnolia · Desert ironwood · Desert Museum palo verde · Blue palo verde · Velvet mesquite · Emory oak · Southern live oak
Conifers (3)
Afghan pine · Longleaf pine · Bald cypress
Palms (6)
Mediterranean fan palm · Date palm · Cabbage palmetto · Windmill palm · California fan palm · Mexican fan palm
Shrubs (26)
Red bird of paradise · Fairy duster · American beautyberry · Buttonbush · Texas mountain laurel · Hop bush · Brittlebush · Gardenia · Firebush · Yaupon holly · Chuparosa · Common lantana · Creosote bush · Texas sage · Chinese fringe flower · Southern wax myrtle · Nandina · Oleander · Japanese pittosporum · Yew podocarpus · Indian hawthorn · Rosemary · Saw palmetto · Jojoba · Yellow bells · Arizona rosewood
Grasses (5)
Fountain grass · Pink muhly grass · Deer grass · Mexican feather grass · Big sacaton
Perennials (7)
Desert marigold · California fuchsia · Blackfoot daisy · Parry's penstemon · Mexican petunia · Black and Blue anise sage · Desert globemallow
Groundcovers (6)
Trailing indigo bush · Hardy ice plant · Trailing lantana · Lilyturf · Creeping myoporum · Asiatic jasmine
Vines (4)
Barbara Karst bougainvillea · Carolina jessamine · Purple passionflower · Star jasmine
Succulents (18)
Blue Glow agave · Century plant · Parry's agave · Aloe vera · Saguaro · Desert spoon · Engelmann's hedgehog cactus · Fishhook barrel cactus · Ocotillo · Red yucca · Golden barrel cactus · Bear grass · Engelmann prickly pear · Eastern prickly pear · Mexican fence post cactus · Soaptree yucca · Adam's needle · Beaked yucca
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