USDA Hardiness Zone 10B Growing Guide
Source: USDA Agricultural Research Service Plant Hardiness Zone Map 2023
Miami area and Hawaii lowlands — fully tropical growing conditions.
Where Zone 10B sits on the national map
Zone 10B highlighted in dark green; neighboring zones in their reference colors. Tap a neighboring zone to compare.
Source: USDA ARS Plant Hardiness Zone Map 2023 · PRISM Climate Group, Oregon State University · 1991-2020 normals
Zone Position
Key Facts — Zone 10B
- Avg. coldest night: 35°F to 40°F (1.7°C to 4.4°C) — the band of average annual extreme minimum temperatures that defines this zone (USDA ARS PHZM 2023)
- What that means: in an average year your coldest night lands somewhere in that 5°F window. Actual lows can drop colder in extreme winters; daytime highs are not bounded by this number.
- Found In: 4 US states, including California, Florida, Arizona and 1 more
- Growing Considerations: Miami area and Hawaii lowlands — fully tropical growing conditions.
What Is Zone 10B?
USDA Hardiness Zone 10B is defined by an average annual extreme minimum temperature between 35°F and 40°F (1.7°C to 4.4°C), according to the USDA ARS Plant Hardiness Zone Map 2023.
Coldest avg. low
35°F
USDA PHZM 2023
Warmest avg. low
40°F
USDA PHZM 2023
Coldest avg. low (°C)
1.7°C
USDA PHZM 2023
States
4
Plants That Thrive in Zone 10B
Plants well-adapted to the temperature range of this zone.
Coconut Palm
Banana
Guava
Starfruit
Your Zone Is Just One Factor
Hardiness zone tells you about winter cold tolerance — but it doesn't tell you about soil drainage, summer heat, frost dates, flood risk, or contamination proximity. Two Zone 10B parcels can have very different growing outcomes. Your Growable Ground report scores 1,112 plants against all these factors for your specific address.
Your zone is a starting point — your parcel is the whole story
Enter your address. We read your exact USDA zone, soil survey, and frost normals, then score 1,112 plants against the real conditions at your parcel.
25+ data sources analyzed in seconds
Frequently Asked Questions
What plants grow in Zone 10B?
Miami area and Hawaii lowlands — fully tropical growing conditions. Common plants that thrive include Coconut Palm, Banana, Guava, Starfruit. Actual suitability depends on your parcel's soil, drainage, and microclimate.
What states have Zone 10B?
Zone 10B appears across 4 US states: California, Florida, Arizona, Hawaii.
What temperature is USDA Zone 10B?
USDA Hardiness Zone 10B is defined by an average annual extreme minimum temperature between 35°F and 40°F (1.7°C to 4.4°C), per the USDA ARS Plant Hardiness Zone Map 2023.