Local planting guide · Pacific Northwest
zip 98227
Bellingham is in USDA hardiness zone 8b, with average winter lows of 15°F to 20°F. The local growing season runs roughly 03/31 through 10/30 (~211 days). This zip falls within the Pacific Northwest growing region.
- USDA zone
- 8b 15°F to 20°F
- Last spring frost
- 03/31
- First fall frost
- 10/30
- Growing season
- 211 days
- Compatible crops
- 68
- Growing region
- Pacific Northwest
Right now in Bellingham
Week 18 priorities
On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →
Gardening in Bellingham
Bellingham gardening centers on the marine climate of the Puget Sound region, which brings cool, wet springs and mild winters. The growing season stretches 211 days from the last spring frost (March 31) to the first fall frost (October 30), providing adequate time for most temperate fruits but compressed enough that summer heat-lovers require careful placement and protection. Zone 8b's 15 to 20°F winter lows are generally safe for the sample crops listed, but the bottleneck is not winter cold; rather, spring fog and cloud cover delay warmth into May. Apples and pears thrive in this climate and are the logical anchor crops. They've been grown in the region for generations and benefit from the cool springs and dry falls that slow fungal disease and extend harvest season. Peaches, Japanese plums, and figs can all succeed but demand sun-exposed, south-facing sites and protection from spring frosts. Pomegranate pushes the margin; it ripens in Bellingham, but only in the warmest microclimates. The humidity and frequent spring rains create persistent fungal pressure, particularly rust and powdery mildew, making disease-resistant varieties a practical necessity, not a luxury.
Regional context · Pacific Northwest
What the Pacific Northwest brings to Bellingham
Cool, wet winters and dry summers. Long, mild growing seasons west of the Cascades; short, intense ones east. Famous for berries, hazelnuts, apples, and pears.
Common challenges
Issues that most often defeat home gardeners in zone 8b, drawn from the broader USDA zone profile.
- ▸ Low chill hours limit apple variety selection
- ▸ Citrus greening risk
- ▸ Nematodes in sandy soils
What defeats new gardeners in Bellingham
The late March 31 frost date can damage peach and fig buds if a warm spell in early March triggers premature bloom followed by freezing nights, a common Bellingham pattern. Many gardeners lose fruit to this sequence without realizing it's a timing issue, not a hardiness issue. Wet springs bring consistent fungal pressure; powdery mildew and rust are near-certain on susceptible varieties unless actively managed. The cool, cloudy summer climate also limits ripening for heat-demanding crops like peaches and pomegranates; fruit often stays bland or fails to mature fully. Lastly, slugs and other moisture-loving pests thrive in the damp; they can demolish seedlings and young fruit before gardeners notice.
Crops that grow in Bellingham
68 crops from our catalog match zone 8b, grouped by type.
Tree fruit
11 crops
zone 8b Apple
Malus domestica
zones 3a–9a
zone 8b Pear
Pyrus communis
zones 4a–8b
zone 8b Peach
Prunus persica
zones 5a–9a
zone 8b Japanese Plum
Prunus salicina
zones 5b–9a
zone 8b Fig
Ficus carica
zones 7a–10b
zone 8b American Persimmon
Diospyros virginiana
zones 4b–9a
zone 8b Asian Persimmon
Diospyros kaki
zones 7a–10a
zone 8b Pomegranate
Punica granatum
zones 7b–10a
Berries
6 crops
zone 8b Rabbiteye Blueberry
Vaccinium virgatum
zones 7a–9a
zone 8b Blackberry
Rubus subgenus Rubus
zones 5a–9a
zone 8b June-Bearing Strawberry
Fragaria x ananassa
zones 3a–8b
zone 8b Everbearing Strawberry
Fragaria x ananassa
zones 3b–9a
zone 8b Elderberry
Sambucus canadensis
zones 3b–9a
zone 8b Goji Berry
Lycium barbarum
zones 3b–10a
Nuts
5 crops
Vegetables
36 crops
zone 8b Tomato
Solanum lycopersicum
zones 3a–10b
zone 8b Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 8b Hot Pepper
Capsicum species
zones 4a–10b
zone 8b Eggplant
Solanum melongena
zones 5a–10b
zone 8b Potato
Solanum tuberosum
zones 3a–9a
zone 8b Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 8b Broccoli
Brassica oleracea var. italica
zones 3a–9a
zone 8b Cauliflower
Brassica oleracea var. botrytis
zones 3b–9a
Herbs
10 crops
zone 8b Basil
Ocimum basilicum
zones 4a–10b
zone 8b Parsley
Petroselinum crispum
zones 3b–9b
zone 8b Cilantro / Coriander
Coriandrum sativum
zones 3b–9b
zone 8b Dill
Anethum graveolens
zones 3b–9a
zone 8b Oregano
Origanum vulgare
zones 4a–9b
zone 8b Thyme
Thymus vulgaris
zones 4a–9a
zone 8b Rosemary
Salvia rosmarinus
zones 7a–10b
zone 8b Sage
Salvia officinalis
zones 4a–9a
Plan the year
Planting calendar for Bellingham
Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Bellingham's local frost dates.
Week ? · loading
This week in Bellingham, WA (zone 8b)
Quiet week in Bellingham, WA (zone 8b). this week is a good time to step back and plan ahead.
Nothing critical on the calendar this week.
333 bars · 68 crops
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 8b
Ranked by how many crops in your zone they affect. Click through for IPM controls and signs to watch for.
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.
Odocoileus species
Whitetail and mule deer browse can devastate orchards and gardens, particularly in winter when food is scarce. Antler rub on young trunks kills saplings outright.
Meloidogyne species
Microscopic soil-dwelling worm that forms galls on roots, reducing vigor and yield.
Sylvilagus and Lepus species
Cottontails and jackrabbits strip bark from young fruit trees in winter and graze tender garden vegetables year-round, especially seedlings.
Tetranychus urticae
Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.
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.
Popillia japonica
Defoliating beetle introduced to North America in 1916. Skeletonizes leaves of many fruit trees, berry canes, and pecan.
Microtus species
Field voles and meadow voles girdle young fruit-tree trunks under snow cover during winter and chew root crops. The leading cause of mysterious orchard losses.
Top diseases for zone 8b
Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.
Pseudoperonospora cubensis (cucurbits) and others
Water mold (oomycete, not a true fungus) that thrives in cool damp conditions. Spreads rapidly through cucurbit and brassica plantings on wind-borne spores.
Pythium and Rhizoctonia species
Soil-borne complex of water molds and fungi that kill seedlings before or shortly after emergence. The single most common cause of seed-starting failures.
Cucumber mosaic virus, Tobacco mosaic virus, and others
Family of plant viruses producing mottled yellow-and-green leaf patterns. Vectored primarily by aphids; some are seed-transmitted or spread by handling tools and tobacco products.
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.
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.
Multiple species (Erysiphales)
Surface-feeding fungal disease producing white powdery growth on leaves and stems. Reduces yield by stealing photosynthate and accelerating senescence.
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.
Plasmodiophora brassicae
Soil-borne disease causing characteristic distorted club-shaped roots on brassicas. Persists in soil for 10-20 years; the dominant brassica pathogen in acidic poorly-drained soils.
Companion planting suggestions
Beneficial pairings drawn from companion data, filtered to crops that grow in zone 8b.
- Peach + Garlic
Garlic planted around peach trees suppresses peach borer and provides general fungal-pressure reduction.
- Fig + Rosemary
Rosemary tolerates the dry sites figs prefer and provides aromatic pest deterrence.
- American Persimmon + Pawpaw
Both natives thrive in similar soils and contribute to a polyculture that supports native pollinators and fauna.
- Jujube + Thyme
Thyme groundcover suits jujube's low-water profile and deters cabbage moth and aphid populations.
- Rabbiteye Blueberry + Thyme
Thyme tolerates the acidic soil and full sun rabbiteyes need and supports beneficial insect populations.
- Blackberry + Garlic
Garlic between blackberry rows reduces fungal pressure on canes during humid weather.
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 Bellingham
Choose disease-resistant apple and pear varieties bred for Pacific Northwest conditions; they reduce fungal pressure significantly and perform better in wet springs. For tender crops like peaches and figs, site them on the warmest south-facing wall or slope and delay pruning until mid-April, after the March 31 frost threat passes, since early wounds can trap frost damage. Plan succession plantings for cool-season crops (brassicas, lettuces) in late summer starting mid-July to mature before October 30 frosts; spring plantings often fail to thrive in the cool, cloudy season.
Frequently asked questions
- What crops grow best in Bellingham?
Apples and pears are the anchor crops and thrive here. Peaches, Japanese plums, and figs work well in warm microclimates. Choose disease-resistant varieties to manage fungal pressure from spring rains.
- When should I plant or start tomatoes in Bellingham?
Wait until at least 2 to 3 weeks after the March 31 last frost date, when soil has warmed significantly. The cool marine climate delays soil warming, so early planting into cold earth risks rot and slow growth; mid-to-late April transplants are more reliable.
- What's the biggest weather risk in Bellingham?
Late spring frost damaging early-blooming crops during warm spells in March is the top risk. The second risk is persistent spring and early-summer rain creating fungal diseases, especially on susceptible varieties.
- Can I grow peaches and figs in Bellingham?
Yes, but they need warm, south-facing sites and careful variety selection. Peaches ripen here but need longer sun and heat than apples. Figs are more reliable in protected microclimates and benefit from frost protection in early spring.
- How do I manage powdery mildew and rust?
Prioritize disease-resistant varieties at planting time; this is simpler than spraying. Ensure air circulation by pruning lower branches. Sulfur or horticultural oil sprays in dry conditions can help if fungal pressure builds, but resistant varieties reduce the need significantly.
- What's the best frost-protection strategy for tender crops?
Site peaches and figs on south-facing slopes or against south-facing walls that absorb and radiate heat. Avoid frost pockets (low-lying, shaded areas). Row covers or frost blankets on buds during March warm spells provide short-term protection if frost is forecast.
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Frost data: NOAA Climate Normals 1991-2020, station USW00024217. Local microclimates can shift these dates by a week or more.
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