ZonePlant

Local planting guide · California

Los Angeles, CA

zip 90062

Los Angeles is in USDA hardiness zone 10b, with average winter lows of 35°F to 40°F. The local growing season runs roughly 12/31 through 12/28 (~365 days). This zip falls within the California growing region.

USDA zone
10b 35°F to 40°F
Last spring frost
12/31
First fall frost
12/28
Growing season
365 days
Compatible crops
23
Growing region
California

Right now in Los Angeles

Week 18 priorities

On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →

Gardening in Los Angeles

Los Angeles's zone 10b climate is defined by its lack of winter severity rather than its presence. Winter temperatures rarely drop below 35 to 40°F, creating a year-round growing season of 365 days. The growing season doesn't end; it merely shifts focus. Frost occurs unpredictably and rarely, typically as isolated events in late December rather than as a sustained threat. This removes the seasonal constraint that defines gardening across most of the country.

Figs, tomatoes, peppers, eggplant, sweet potatoes, basil, and rosemary all thrive in Los Angeles because the climate is warm enough to support them continuously. The real constraints here are different: managing the sporadic frost risk that can damage tender perennials, navigating summer heat that can stress even heat-loving crops, and adapting to water scarcity in a semi-arid region. Gardeners who succeed here typically adopt a different mental model than frost-zone gardeners elsewhere. Instead of working around a defined off-season, they manage continuous production by rotating plantings to avoid peak heat and by protecting against the occasional cold snap.

Regional context · California

What the California brings to Los Angeles

From cool foggy coast to hot Central Valley to mountain to desert. Mediterranean climate dominates: wet winters, dry summers. The most productive agricultural state in the country, with reach into citrus and olives that exceed the rest of the country.

Full California guide →

Common challenges

Issues that most often defeat home gardeners in zone 10b, drawn from the broader USDA zone profile.

  • No winter chill
  • Tropical pest and disease pressure
  • Saltwater intrusion in coastal soils

What defeats new gardeners in Los Angeles

Los Angeles gardeners face three overlapping challenges. First, unpredictable frost is rare but devastating when it occurs, particularly for young tender perennials like figs, citrus, and avocado that can survive most winters but are killed if an unusually cold event arrives without warning. Second, summer heat from June through September can arrest flowering and fruit set in tomatoes, peppers, and eggplant, even in varieties bred for warmth. Afternoon temperatures above 95°F and intense direct sun stress plants and reduce yields. Third, water scarcity and local restrictions force careful irrigation management year-round. Unlike regions where winter dormancy reduces water demand, Los Angeles gardeners must maintain consistent watering for nearly 365 days of potential growth.

Crops that grow in Los Angeles

23 crops from our catalog match zone 10b, grouped by type.

Tree fruit

12 crops

See all 12 tree fruit for zone 10b →

Berries

2 crops

Nuts

1 crop

Vegetables

6 crops

Herbs

2 crops

Plan the year

Planting calendar for Los Angeles

Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Los Angeles's local frost dates.

Week ? · loading

This week in Los Angeles, CA (zone 10b)

Quiet week in Los Angeles, CA (zone 10b). this week is a good time to step back and plan ahead.

Nothing critical on the calendar this week.

128 bars · 23 crops

Filter

Calendar logic combines NOAA frost normals with crop-specific timing data. Local microclimate and weather always overrules the calendar; use this as a starting point.

Top pests for zone 10b

Ranked by how many crops in your zone they affect. Click through for IPM controls and signs to watch for.

Planococcus citri 1455198 (mealybug)
Mealybug 12 crops

Pseudococcidae spp.

Soft white waxy insects that cluster at leaf joints, fruit stems, and root crowns. Honeydew secretion supports sooty mold; root mealybugs cause decline that mimics drought.

Saissetia oleae (scale-insect)
Scale Insect 10 crops

Coccoidea spp.

Sap-sucking insects that attach to bark, leaves, and fruit, secreting honeydew that fuels sooty mold. Heavy infestations weaken trees and cause leaf yellowing.

Ceratitis capitata - mosca mediterranea de la fruta (9550667380) (mediterranean-fruit-fly)
Mediterranean Fruit Fly 9 crops

Ceratitis capitata

Quarantine pest in many regions. Adult females puncture ripening fruit to lay eggs; larvae tunnel through the flesh, causing premature drop and rot.

Blattlaeuse-JR-T3-I176-2024-09-22 (aphid)
Aphid 8 crops

Multiple species (Aphididae)

Small soft-bodied sap-sucking insects that reproduce explosively in spring. Excrete honeydew that supports sooty mold and attracts ants. Transmit viral diseases.

Meloidogyne incognita adult (01) (nematode)
Root-Knot Nematode 7 crops

Meloidogyne species

Microscopic soil-dwelling worm that forms galls on roots, reducing vigor and yield.

HEMI Aleyrodidae Trialeurodes vaporariorum (whitefly)
Whitefly 6 crops

Multiple species (Aleyrodidae)

Tiny white moth-like flying insects that feed on plant sap and excrete honeydew. Transmit numerous viral diseases including tomato yellow leaf curl virus.

Lochmaea (10.3897-zookeys.856.30838) Figure 10 (flea-beetle)
Flea Beetle 5 crops

Multiple species (Chrysomelidae)

Tiny black or bronze jumping beetles that put hundreds of small holes in seedling leaves. Most damaging on direct-seeded brassicas and young eggplant.

Anastrepha suspensa (caribbean-fruit-fly)
Caribbean Fruit Fly 5 crops

Anastrepha suspensa

Tropical fruit fly endemic to Florida and the Caribbean. Less aggressive on commercial citrus than Mediterranean fruit fly, but devastating on guava, carambola, and other thin-skinned tropicals.

All pests →

Top diseases for zone 10b

Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.

Capnodium sp. 01 (sooty-mold)
Sooty Mold fungal

Capnodium spp.

Black fungal coating that grows on honeydew secreted by aphids, scale, mealybugs, and whiteflies. Doesn't infect plant tissue directly but blocks photosynthesis and disfigures fruit.

Bitter rot (mango-anthracnose)
Mango Anthracnose fungal

Colletotrichum gloeosporioides

Most damaging mango disease worldwide. Fungal spores infect blossoms and developing fruit during humid weather, producing black sunken lesions that expand on ripening fruit.

Taro- Southern blight caused by Sclerotium rolfsii (southern-blight)
Southern Blight fungal

Sclerotium rolfsii

Soil-borne fungal disease most damaging in warm humid Southern conditions. White mycelial fans and small mustard-seed-sized sclerotia at the soil line are diagnostic.

Fusarium oxysporum f. sp. cubense race 1 (24607024387) (fusarium-wilt-tomato)
Fusarium Wilt fungal

Fusarium oxysporum

Soil-borne fungal disease that plugs vascular tissue and kills affected plants. Persists in soil for many years; impossible to eliminate once established.

Verticillium dahliae (verticillium-wilt)
Verticillium Wilt fungal

Verticillium dahliae

Soil-borne fungal disease similar to fusarium wilt but with broader host range and cooler temperature optimum. Persists in soil for 10+ years.

Summary of the major findings from a multiyear, multi-institutional Diaphorina citri genome assembly project (citrus-greening)
Citrus Greening (HLB) bacterial

Candidatus Liberibacter asiaticus

Devastating bacterial disease vectored by the Asian citrus psyllid. Once infected, trees decline progressively over several years and there is no cure. Has destroyed commercial citrus across Florida and threatens production worldwide.

Bacterial black spot of mango caused by Xanthomonas citri pv. mangiferae indicae (34846737063) (citrus-canker)
Citrus Canker bacterial

Xanthomonas citri

Bacterial disease producing raised corky lesions on leaves, twigs, and fruit. Spread by wind-driven rain and contaminated tools. Quarantine-regulated in many areas.

Bacterial leaf spot of pepper (14954536360) (bacterial-spot-pepper)
Bacterial Spot of Pepper bacterial

Xanthomonas euvesicatoria and X. perforans

Bacterial disease causing leaf spots and fruit blemishes on pepper and tomato. Severe in warm humid weather, transmitted via splashing water and seed.

All diseases →

Companion planting suggestions

Beneficial pairings drawn from companion data, filtered to crops that grow in zone 10b.

All companion pairs →

Soil types reference

Soil texture and pH decide what grows easily on your specific lot. Find the closest match below for crop recommendations and amendment guidance.

Practical tips for Los Angeles

Plant tomatoes and peppers in three waves to avoid peak summer heat: late winter (February to early March), late spring (April to May), and mid-summer (July). This staggered approach ensures at least two harvests avoid the August heat peak. Second, position frost-sensitive perennials where they can be quickly covered or watered if frost threatens; a simple frost cloth or sprinkler activation can mean the difference between survival and loss for figs, young citrus, or tender ornamentals. Watch local weather forecasts from late November through early January for the rare frost event, and be ready to act. Third, use 30 to 50% shade cloth and mulch heavily during the June-through-September heat peak for tomatoes, peppers, and eggplant. This reduces water stress, prevents fruit scalding, and maintains productivity through the hottest months.

Frequently asked questions

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What's the best time to plant tomatoes in Los Angeles?

Plant in three staggered sowings: late February through early March, late April, and July. The winter and spring plantings produce through late spring and early summer before peak heat arrives. The July planting avoids summer heat stress and produces in cooler fall months.

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Can I grow figs year-round in zone 10b?

Figs produce fruit during warm months (May through October in Los Angeles), then drop leaves in winter dormancy. The year-round potential comes from the mild winters allowing figs to survive outdoors unprotected most years, not from fruit production in all seasons.

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How do I protect figs and citrus from rare frost?

Establish frost protection routines even though frost is rare. Keep frost cloth on hand and position trees where they can be quickly covered. Alternatively, run overhead sprinklers during a frost event to release latent heat. Young trees in the first few years are most vulnerable.

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Is it too hot to grow vegetables in summer in Los Angeles?

Not with summer management. Use 30 to 50% shade cloth from June through September for tomatoes, peppers, and eggplant. Mulch heavily to regulate soil temperature. Succession plant to shift harvest timing to cooler months (early summer and fall) when possible.

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What about Los Angeles water restrictions?

Water policy varies by municipality and season. Expect restrictions on frequency and timing of watering. Design irrigation systems with drip lines and timers to maximize water efficiency. Group plants by water need. Mulching reduces demand significantly.

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What's the single biggest weather risk for gardeners in zone 10b Los Angeles?

Unpredictable frost in late December is the main risk. Unlike frost-belt gardeners who plan around a known frost date, Los Angeles gardeners must monitor forecasts and be prepared to protect frost-sensitive perennials when an unusual cold event arrives.

Frost data: NOAA Climate Normals 1991-2020, station USW00023152. Local microclimates can shift these dates by a week or more.

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