Zone 10B
Subtropical
Average minimum winter temperature: 35° to 40°F
Zone 10B
Subtropical
Avg min winter temp: 35° to 40°F
Right Now
It's May. For Zone 10B: Maintenance and monitoring.
Best Grasses for Zone 10B

Bermudagrass
warm-seasonThe dominant warm-season lawn grass across the Southern United States. Bermudagrass spreads aggressively via stolons and rhizomes, creating an extremely dense turf that handles heat, drought, and heavy traffic. Requires full sun and goes dormant in winter.
Thrives in Zone 10B
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St. Augustinegrass
warm-seasonThe most shade-tolerant warm-season grass, St. Augustinegrass is the go-to lawn grass for coastal Southern areas from the Carolinas to Texas. It spreads via stolons to form a thick, coarse-textured turf. Propagated by sod or plugs rather than seed.
Thrives in Zone 10B

Seashore Paspalum
warm-seasonThe most salt-tolerant turfgrass available, seashore paspalum thrives in coastal environments where salt spray, brackish irrigation water, or saline soils would kill other grasses. Popular on oceanfront golf courses and coastal properties. Typically established from sod or sprigs.
Thrives in Zone 10B

Dichondra
warm-seasonNot a true grass but a ground cover with small, round, lily-pad-shaped leaves that forms a soft, dense carpet. Dichondra is popular as a lawn alternative in mild Southern California and desert Southwest climates. It handles shade well but cannot tolerate foot traffic or cold winters.
Thrives in Zone 10B
Seasonal Calendar — Zone 10B
Jan
Feb
Warm seeding, Spring fert
Mar
Warm seeding
Apr
Warm seeding
May
Warm seeding
Jun
Warm seeding
Jul
Warm seeding
Aug
Sep
Oct
Nov
Overseeding
Dec
Overseeding, Fall fert
About Zone 10B
USDA Zone 10B is classified as a subtropical hardiness zone with average annual extreme minimum temperatures of 35° to 40°F. This temperature range determines which grass species can survive winter conditions and influences seeding windows, fertilizing schedules, and overall lawn care strategy.
This zone appears in 2 states: CA, FL.
Find the Perfect Grass Seed for Zone 10B
Browse premium grass seed varieties matched to your climate zone.
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