Washington · West
Tri-Cities, WA
Zone-aware planting reference for Tri-Cities. Population 244,036; USDA hardiness zone 7b; nearest curated zip code 99336.
- USDA zone
- 7b
- Population
- 244,036
- Last spring frost
- 04/27
- First fall frost
- 10/11
- Growing season
- 168 days
- Nearest zip
- 99336
Local timing baseline
Detailed guidance for this section is being prepared. Check back soon.
Crops suited to Tri-Cities
Crops whose USDA zone range includes zone 7b. 83 crops match.
Tree fruit
15 crops
Berries
12 crops
zone 7b Aronia (Black Chokeberry)
Aronia melanocarpa
zones 3a–8a
zone 7b Black Raspberry
Rubus occidentalis
zones 4a–8a
zone 7b Blackberry
Rubus subgenus Rubus
zones 5a–9a
zone 7b Elderberry
Sambucus canadensis
zones 3b–9a
zone 7b Everbearing Strawberry
Fragaria x ananassa
zones 3b–9a
zone 7b Goji Berry
Lycium barbarum
zones 3b–10a
Nuts
6 crops
Vegetables
40 crops
zone 7b Arugula
Eruca vesicaria
zones 3b–9a
zone 7b Asparagus
Asparagus officinalis
zones 3b–8b
zone 7b Beet
Beta vulgaris
zones 3a–9a
zone 7b Broccoli
Brassica oleracea var. italica
zones 3a–9a
zone 7b Brussels Sprouts
Brassica oleracea var. gemmifera
zones 3b–8a
zone 7b Bush Bean
Phaseolus vulgaris
zones 3b–9a
Herbs
10 crops
Other cities in Washington
Frequently asked questions
- What USDA zone is Tri-Cities, WA?
Tri-Cities sits in USDA hardiness zone 7b, based on the nearest zip code (99336).
- When are the average last and first frost dates in Tri-Cities?
Based on the nearest weather station, Tri-Cities averages a last spring frost around 04/27 and a first fall frost around 10/11, for a growing season of about 168 days.
- What crops grow well in Tri-Cities?
83 crops in the ZonePlant database have a recommended USDA zone range that includes zone 7b. Tree fruit, berries, and most common vegetables are well-suited; check each crop page for variety-level guidance.
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