Hardiness Zone 10: 30 to 40 °F
Zone 10 covers places whose average annual extreme winter low falls between 30 and 40 °F (-1.1 to 4.4 °C). South Florida, the Southern California coast, and the warmest lowlands of Hawaii and Arizona.
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18 photos Zone 10 Swimming Pool to Rainwater Harvesting Conversion
by EnviroscapeThis is the first yard in north America to convert a conventional swimming pool to a rainwater harvesting...
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10 photos Zone 10 The Purpose-Driven Yard
by Jeff MatthewA storm-devastated parcel of land, landslide of boulders all over the place, what is there to do? Rather...
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21 photos Zone 10 Secret Garden
by EnviroscapeFrom dirt to dream Secret garden...this low water use garden show you can have a stunning garden AND save...
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39 photos Zone 10 Stunning ponds and waterfalls of LA
by EnviroscapeAmazing ponds and waterfalls created by EnviroscapeLA
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8 photos Zone 10 Rosemary Dr
by edonySmall garden bordering on a tidal stream. Across the road is a large pond which is part of the stream that...
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12 photos Zone 10 Japanese Tea Garden
My clients bought a house where the previous owner built an authentic Japanese Tea House. The outside...
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7 photos Zone 10 Upscale Tuscany Night Time Pics
Landscape lighting can have a dramatic impact on a high end landscape. This backyard remodel I designed...
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19 photos Zone 10 Upscale Poolscape
The yard was nothing more than a large lawn that sloped away from the house. We transformed it into a...
Zone 10 facts
| Full band | 30 to 40 °F (-1.1 to 4.4 °C) |
|---|---|
| Zone 10a (colder half) | 30 to 35 °F |
| Zone 10b (warmer half) | 35 to 40 °F |
| Where it occurs | South Florida, the Southern California coast, and the warmest lowlands of Hawaii and Arizona. |
| Yards on YardShare tagged zone 10 | 167 |
Plants rated hardy to zone 10 should survive an average winter low in this band. Summer heat, rainfall, soil, and microclimates still decide the rest, and the full researched zone guide is being built for this page.
Data: 2023 USDA Plant Hardiness Zone Map (USDA and PRISM Climate Group, Oregon State University). Yard counts and photos are live from the YardShare archive; member-entered zone tags are shown as members set them.