Local planting guide · Mountain West
zip 89077
Henderson is in USDA hardiness zone 9b, with average winter lows of 25°F to 30°F. The local growing season runs roughly 01/20 through 12/15 (~333 days). This zip falls within the Mountain West growing region.
- USDA zone
- 9b 25°F to 30°F
- Last spring frost
- 01/20
- First fall frost
- 12/15
- Growing season
- 333 days
- Compatible crops
- 37
- Growing region
- Mountain West
Right now in Henderson
Week 18 priorities
On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →
Gardening in Henderson
Henderson's 333-day growing season is among the longest in the United States, with the last spring frost arriving as late as January 20 and the first fall frost not until December 15 (NOAA Climate Normals 1991-2020). This extended window is deceptive; the real defining feature of gardening in zone 9b Henderson is not frost but rather the Sonoran Desert climate of extreme summer heat paired with low humidity and minimal rainfall. Summer temperatures regularly exceed 115°F, with peaks near 120°F in July and August. Figs, pomegranates, jujubes, and Asian persimmons thrive under these conditions because their physiology is tuned for heat and drought. Tomatoes and peppers, though included in the sample crops, require summer protection or are often grown in spring and fall plantings rather than a single summer season. The constraint is heat stress, sunscald, and water availability, not winter survival.
Regional context · Mountain West
What the Mountain West brings to Henderson
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 9b, drawn from the broader USDA zone profile.
- ▸ Heat stress in summer
- ▸ Insufficient chill for most apples
- ▸ Salt spray near coasts
What defeats new gardeners in Henderson
Henderson gardeners face three persistent headwinds that define the region's horticultural challenges. First, summer heat above 110°F damages blooms and stresses young fruit on heat-sensitive varieties, particularly on south and west-facing exposures where afternoon sun is relentless. Second, water restrictions and the aridity of the region make irrigation essential; annual rainfall averages under 4 inches, far below what most fruiting plants need to thrive. Third, the intensity of the desert sun causes sunscald on exposed fruit and branch dieback even on established trees. Winter frost is rarely catastrophic in zone 9b Henderson, but the true enemy is the June through August heat that damages or kills otherwise hardy plants. Shade cloth and aggressive mulching are not optional; they are survival strategies.
Crops that grow in Henderson
37 crops from our catalog match zone 9b, grouped by type.
Tree fruit
11 crops
zone 9b Fig
Ficus carica
zones 7a–10b
zone 9b Asian Persimmon
Diospyros kaki
zones 7a–10a
zone 9b Pomegranate
Punica granatum
zones 7b–10a
zone 9b Jujube
Ziziphus jujuba
zones 6a–9b
zone 9b Lemon
Citrus limon
zones 9a–11b
zone 9b Orange
Citrus sinensis
zones 9a–11b
zone 9b Lime
Citrus aurantiifolia
zones 9b–11b
zone 9b Grapefruit
Citrus paradisi
zones 9a–11b
Berries
2 crops
Vegetables
18 crops
zone 9b Tomato
Solanum lycopersicum
zones 3a–10b
zone 9b Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 9b Hot Pepper
Capsicum species
zones 4a–10b
zone 9b Eggplant
Solanum melongena
zones 5a–10b
zone 9b Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 9b Kale
Brassica oleracea var. acephala
zones 3a–9b
zone 9b Collards
Brassica oleracea var. acephala
zones 4a–9b
zone 9b Cucumber
Cucumis sativus
zones 3b–10a
Herbs
6 crops
Plan the year
Planting calendar for Henderson
Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Henderson's local frost dates.
Week ? · loading
This week in Henderson, NV (zone 9b)
Quiet week in Henderson, NV (zone 9b). this week is a good time to step back and plan ahead.
Nothing critical on the calendar this week.
187 bars · 37 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 9b
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.
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.
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.
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.
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.
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.
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.
Top diseases for zone 9b
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.
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.
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.
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.
Calcium deficiency physiological disorder
Not a true disease but a calcium-uptake disorder caused by inconsistent soil moisture during fruit development. The dominant cause of damaged first-fruit on home tomato plantings.
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.
Tomato spotted wilt orthotospovirus (TSWV)
Virus vectored by thrips, particularly western flower thrips. Wide host range and growing global distribution. No cure once infected.
Companion planting suggestions
Beneficial pairings drawn from companion data, filtered to crops that grow in zone 9b.
- Fig + Rosemary
Rosemary tolerates the dry sites figs prefer and provides aromatic pest deterrence.
- Tomato + Basil
The classic Italian pairing. Basil's volatile oils are reported to repel hornworms and whiteflies, and the two crops share the same warm-season schedule and water needs. Plant basil between tomato cages.
- Sweet Pepper + Basil
Same warm-season culture, same watering schedule. Basil reportedly improves pepper flavor and repels aphids and thrips that are pepper's primary pests.
- Hot Pepper + Basil
Compatible heat-loving culture, similar water needs. Basil interplanted between hot pepper plants supports beneficial insects and reduces aphid pressure.
- Lettuce + Tomato
Lettuce planted at tomato's base benefits from afternoon shade as the tomato grows, extending the lettuce harvest into early summer. Different root depths avoid competition.
- Cabbage + Onion
Onion smell confuses cabbage moth. Both prefer similar moisture and fertility. The onion-cabbage interplanting is a Northern European tradition.
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 Henderson
First, embrace the long season and double-crop where possible. Tomatoes and peppers can be planted in late winter for a spring harvest before peak heat, then again in late summer for a fall crop, exploiting both frost-free windows. Second, deploy shade cloth (20 to 50 percent shade) from May through September on fruiting trees and vegetables; this practice reduces heat stress and maintains fruit quality far better than attempting to grow full-sun varieties in peak desert heat. Third, establish deep drip irrigation on a timer before planting anything permanent. Shallow hand-watering is defeated by the heat and dryness; drip systems reduce water loss to evaporation and deliver moisture where roots actually are. Mulch heavily around all plants to buffer soil temperature and reduce irrigation frequency.
Frequently asked questions
- What fruits grow most reliably in Henderson?
Figs, pomegranates, jujubes, Asian persimmons, and goji berries all thrive in zone 9b Henderson because they tolerate extreme heat and drought once established. These crops require minimal summer water compared to apples or stone fruits, and their bloom and fruit-set are not disrupted by the heat that stresses other varieties.
- When should I plant tomatoes in Henderson?
Plant tomatoes in late January or early February for a spring harvest before heat peaks in July. Expect production to drop sharply above 95°F. For fall production, plant again in late July or August so plants mature in cooling September and October weather. Both windows exploit the mild frost dates and the extreme summer heat in between.
- What is the biggest weather risk in Henderson?
Summer heat, not frost, is the dominant constraint. Temperatures above 115°F cause sunscald on fruit, kill blooms on sensitive varieties, and stress even drought-tolerant plants. Late spring frost (mid-January) is rare enough that most gardeners don't focus on frost protection; heat management is the priority.
- How should I handle water scarcity in zone 9b Henderson?
Drip irrigation on a timer is essential, not optional. Hand-watering loses most water to evaporation in the desert heat. Mulch heavily (3 to 4 inches) to slow soil evaporation and moderate root-zone temperature. Select drought-tolerant varieties and accept that some plants may struggle unless watered regularly; Nevada's aridity is unforgiving.
- Can I garden year-round in Henderson?
Yes. The 333-day growing season and mild winters allow winter vegetable crops (brassicas, leafy greens, root crops) alongside summer fruits. Cool-season crops thrive October through April, then summer heat-lovers take over May through September, giving year-round opportunity if you match varieties to seasons.
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Frost data: NOAA Climate Normals 1991-2020, station USW00023169. Local microclimates can shift these dates by a week or more.
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