Local planting guide · Mountain West
zip 84119
West Valley City is in USDA hardiness zone 7b, with average winter lows of 5°F to 10°F. The local growing season runs roughly 04/08 through 10/31 (~204 days). This zip falls within the Mountain West growing region.
- USDA zone
- 7b 5°F to 10°F
- Last spring frost
- 04/08
- First fall frost
- 10/31
- Growing season
- 204 days
- Compatible crops
- 83
- Growing region
- Mountain West
Right now in West Valley City
Week 18 priorities
On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →
Gardening in West Valley City
West Valley City sits in the Intermountain West at the southern edge of Salt Lake Valley, which brings specific advantages and constraints compared to other zone 7b locations. The 204-day growing season (April 8 to October 31 frost dates) is solid for zone 7b and supports a wide range of fruit trees. The defining characteristic is aridity and intensity: low humidity, intense summer sun, cold clear winters with lows reaching 5-10°F, and significant day-night temperature swings. These conditions favor heat-loving, drought-tolerant crops like peaches, plums, cherries, and figs, which thrive in the dry air and struggle less with fungal diseases common in humid zones. Apple and pear also perform well, though they demand consistent irrigation in the low-humidity environment to prevent stress-induced problems like sunscald or blossom-end rot. The April 8 frost date is relatively late for the intermountain region, reflecting the moderating effect of the valley environment. This creates both an opportunity and a risk: the extended spring allows many crops to establish, but tender buds and early growth remain vulnerable to unexpected late freezes well into April and even early May. Site selection and frost-protection strategies are correspondingly important.
Regional context · Mountain West
What the Mountain West brings to West Valley City
High elevation, dry air, intense sun, big diurnal swings. Short cool growing season at altitude; longer hot one in valleys. Strong fruit production in irrigated river corridors.
Common challenges
Issues that most often defeat home gardeners in zone 7b, drawn from the broader USDA zone profile.
- ▸ Cedar-apple rust pressure heavy in piedmont
- ▸ Japanese beetles
- ▸ Brown marmorated stink bug
- ▸ Late summer disease pressure
What defeats new gardeners in West Valley City
Late spring frosts remain the dominant hazard. April 8 is the median frost date, but frost can strike as late as May 15 in unlucky years. Tender growth on stone fruits or early-breaking buds on apples can be damaged or killed by an April freeze following a warm March. The risk is real and repeats often enough that spring frost protection is a standard management task here. Second: the dry air and intense summer sun (July and August peak at 90°F+) stress tender vegetables and some cultivars of apple and pear unless irrigation keeps pace. Sunscald on fruit and premature bolting of leafy crops are common under sustained heat with irregular water supply. Third: water scarcity itself. West Valley City and Salt Lake County face periodic water-use restrictions during dry years. Drip irrigation and mulching are not luxury; they are necessary adaptations to the climate.
Crops that grow in West Valley City
83 crops from our catalog match zone 7b, grouped by type.
Tree fruit
15 crops
zone 7b Apple
Malus domestica
zones 3a–9a
zone 7b Pear
Pyrus communis
zones 4a–8b
zone 7b Peach
Prunus persica
zones 5a–9a
zone 7b European Plum
Prunus domestica
zones 4a–8a
zone 7b Japanese Plum
Prunus salicina
zones 5b–9a
zone 7b Sweet Cherry
Prunus avium
zones 5a–8a
zone 7b Sour Cherry
Prunus cerasus
zones 4a–7b
zone 7b Fig
Ficus carica
zones 7a–10b
Berries
12 crops
zone 7b Highbush Blueberry
Vaccinium corymbosum
zones 4a–7b
zone 7b Rabbiteye Blueberry
Vaccinium virgatum
zones 7a–9a
zone 7b Red Raspberry
Rubus idaeus
zones 3b–8a
zone 7b Black Raspberry
Rubus occidentalis
zones 4a–8a
zone 7b Yellow Raspberry
Rubus idaeus
zones 3b–8a
zone 7b Blackberry
Rubus subgenus Rubus
zones 5a–9a
zone 7b June-Bearing Strawberry
Fragaria x ananassa
zones 3a–8b
zone 7b Everbearing Strawberry
Fragaria x ananassa
zones 3b–9a
Nuts
6 cropsVegetables
40 crops
zone 7b Tomato
Solanum lycopersicum
zones 3a–10b
zone 7b Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 7b Hot Pepper
Capsicum species
zones 4a–10b
zone 7b Eggplant
Solanum melongena
zones 5a–10b
zone 7b Potato
Solanum tuberosum
zones 3a–9a
zone 7b Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 7b Broccoli
Brassica oleracea var. italica
zones 3a–9a
zone 7b Cauliflower
Brassica oleracea var. botrytis
zones 3b–9a
Herbs
10 crops
zone 7b Basil
Ocimum basilicum
zones 4a–10b
zone 7b Parsley
Petroselinum crispum
zones 3b–9b
zone 7b Cilantro / Coriander
Coriandrum sativum
zones 3b–9b
zone 7b Dill
Anethum graveolens
zones 3b–9a
zone 7b Oregano
Origanum vulgare
zones 4a–9b
zone 7b Thyme
Thymus vulgaris
zones 4a–9a
zone 7b Rosemary
Salvia rosmarinus
zones 7a–10b
zone 7b Sage
Salvia officinalis
zones 4a–9a
Plan the year
Planting calendar for West Valley City
Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to West Valley City's local frost dates.
Week ? · loading
This week in West Valley City, UT (zone 7b)
Quiet week in West Valley City, UT (zone 7b). this week is a good time to step back and plan ahead.
Nothing critical on the calendar this week.
418 bars · 83 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 7b
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.
Sylvilagus and Lepus species
Cottontails and jackrabbits strip bark from young fruit trees in winter and graze tender garden vegetables year-round, especially seedlings.
Popillia japonica
Defoliating beetle introduced to North America in 1916. Skeletonizes leaves of many fruit trees, berry canes, and pecan.
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.
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.
Meloidogyne species
Microscopic soil-dwelling worm that forms galls on roots, reducing vigor and yield.
Tetranychus urticae
Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.
Top diseases for zone 7b
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.
Botrytis cinerea
Ubiquitous fungal disease that causes fruit rot during cool wet weather, often the dominant berry disease in humid regions.
Agrobacterium tumefaciens
Soil-borne bacterium that enters plants through wounds and induces tumor-like galls on roots, crown, and lower stems. Galls reduce vigor and shorten plant lifespan; on Rubus the disease is often fatal.
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.
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 7b.
- Peach + Garlic
Garlic planted around peach trees suppresses peach borer and provides general fungal-pressure reduction.
- European Plum + Garlic
Garlic discourages plum curculio and provides general antifungal benefit beneath stone fruit.
- 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.
- Apricot + Basil
Basil's volatile oils discourage stone-fruit pests and support pollinator visits.
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 West Valley City
First, delay planting heat-tender crops (tomatoes, peppers, basil, squash) until after May 1 to clear the late-frost window. Starting them indoors earlier is fine; many gardeners do it in February or March. But hold seedlings under cover until both soil and air consistently exceed 50°F at night. An April frost can kill all the progress. Second, use shade cloth (30 to 50 percent shade) for tomatoes, peppers, and leafy greens during July and August peaks. The intensity of sun at this latitude and elevation can sunscald fruit or bolt greens prematurely. Even heat-loving crops appreciate afternoon relief from the most intense hours. Third, invest in drip irrigation on a timer. The low humidity means soil dries fast, and frequent shallow watering encourages salt accumulation and shallow, weak roots. Instead, water deeply two or three times per week and let the soil dry between irrigations. This approach encourages deep root establishment and reduces water needs over time.
Frequently asked questions
- What fruits grow best in West Valley City?
Stone fruits (peaches, plums, cherries) and figs thrive in the dry air and intense sun. Apples and pears also perform well with consistent irrigation. All benefit from the low humidity, which suppresses fungal disease pressure.
- When should I plant tomatoes in West Valley City?
Wait until after May 1 to plant tomato seedlings outdoors. The April 8 frost date is a median; late frosts can strike into May. Starting seed indoors in February or March is fine, but harden off seedlings and keep them under cover until soil temperature reaches 55°F.
- How serious is the April spring frost risk?
Serious enough to warrant caution with early-breaking crops. April 8 is the 50-percent probability date; there is still a 50-percent chance of frost after that date. Years with warm March weather followed by a late April cold snap cause significant crop loss on tender fruit buds.
- What irrigation strategy works best for West Valley City's dry climate?
Drip irrigation on a timer, applied deeply and less frequently, works better than frequent shallow sprinklers. The low humidity causes rapid soil drying. Deep, infrequent watering encourages roots to establish deep rather than relying on frequent surface moisture.
- Can I grow figs in West Valley City?
Figs perform well in zone 7b's dry climate, but West Valley City's winter lows (5-10°F) are at the edge of the comfortable range. Select cold-hardy cultivars and site plants against a south-facing wall for extra winter protection.
- What's the biggest summer challenge for vegetable gardeners here?
Intense sun and heat combined with low humidity. Tomatoes, peppers, and squash need afternoon shade cloth and consistent deep irrigation during July and August to prevent sunscald, blossom-end rot, and stress-induced wilting.
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Frost data: NOAA Climate Normals 1991-2020, station USW00024127. Local microclimates can shift these dates by a week or more.
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