California · West
Napa, CA
Zone-aware planting reference for Napa. Population 80,434; USDA hardiness zone 9b; nearest curated zip code 94581.
- USDA zone
- 9b
- Population
- 80,434
- Last spring frost
- 03/05
- First fall frost
- 11/21
- Growing season
- 256 days
- Nearest zip
- 94581
Local timing baseline
Detailed guidance for this section is being prepared. Check back soon.
Crops suited to Napa
Crops whose USDA zone range includes zone 9b. 37 crops match.
Tree fruit
11 crops
Berries
2 crops
Vegetables
18 crops
zone 9b Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 9b Collards
Brassica oleracea var. acephala
zones 4a–9b
zone 9b Cucumber
Cucumis sativus
zones 3b–10a
zone 9b Eggplant
Solanum melongena
zones 5a–10b
zone 9b Hot Pepper
Capsicum species
zones 4a–10b
zone 9b Kale
Brassica oleracea var. acephala
zones 3a–9b
Herbs
6 crops
Other cities in California
Frequently asked questions
- What USDA zone is Napa, CA?
Napa sits in USDA hardiness zone 9b, based on the nearest zip code (94581).
- When are the average last and first frost dates in Napa?
Based on the nearest weather station, Napa averages a last spring frost around 03/05 and a first fall frost around 11/21, for a growing season of about 256 days.
- What crops grow well in Napa?
37 crops in the ZonePlant database have a recommended USDA zone range that includes zone 9b. Tree fruit, berries, and most common vegetables are well-suited; check each crop page for variety-level guidance.
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