ZonePlant

Local planting guide · Mountain West

Colorado Springs, CO

zip 80901

Colorado Springs is in USDA hardiness zone 6a, with average winter lows of -10°F to -5°F. The local growing season runs roughly 05/03 through 10/08 (~158 days). This zip falls within the Mountain West growing region.

USDA zone
6a -10°F to -5°F
Last spring frost
05/03
First fall frost
10/08
Growing season
158 days
Compatible crops
87
Growing region
Mountain West

Right now in Colorado Springs

Week 18 priorities

On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →

Gardening in Colorado Springs

Colorado Springs sits at high elevation in zone 6a, where winter lows reach -10 to -5°F and the growing season spans just 158 days between the last spring frost on May 3 and the first fall frost on October 8. That compressed timeline dominates planting decisions here. Summer crops like tomatoes and tender squash need to finish before early October; tender perennials won't survive the winter without protection. The climate's most reliable performers are cold-hardy fruit trees: apples, pears, stone fruits (peaches, plums, cherries), and persimmons all thrive when chosen for zone 6a hardiness. The elevation brings distinct advantages and obstacles. Intense sun and low humidity reduce fungal disease pressure compared to lower-altitude gardens, but the same dryness demands irrigation even in spring. High-elevation nights stay cool even in July and August, shortening the heat window that warm-season crops need. Hail is a genuine hazard; late spring and early summer storms can shred fruit and foliage.

Regional context · Mountain West

What the Mountain West brings to Colorado Springs

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.

Full Mountain West guide →

Common challenges

Issues that most often defeat home gardeners in zone 6a, drawn from the broader USDA zone profile.

  • Brown rot in stone fruit
  • Japanese beetles
  • Spring frost damage to peach buds

What defeats new gardeners in Colorado Springs

The May 3 frost date is late enough that fruit tree flowers (apple, pear, cherry, peach) often bloom before the last freeze arrives, making frost damage to blossoms a common spring setback. Replacement blooms may not set fruit, or set it too late to mature before October. A second persistent challenge is irrigation: the mountain environment's low humidity and sporadic precipitation patterns make supplemental watering essential; most water falls in spring and mid-summer, leaving dry gaps during critical growth periods. The third issue is hail. Late spring storms (May through early July) can strip leaves, scar developing fruit, and snap branches; while no timing strategy prevents it, awareness helps with crop selection and protective strategies.

Crops that grow in Colorado Springs

87 crops from our catalog match zone 6a, grouped by type.

Tree fruit

12 crops

See all 12 tree fruit for zone 6a →

Berries

20 crops

See all 20 berries for zone 6a →

Nuts

6 crops

Vegetables

40 crops

See all 40 vegetables for zone 6a →

Herbs

9 crops

See all 9 herbs for zone 6a →

Plan the year

Planting calendar for Colorado Springs

Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Colorado Springs's local frost dates.

Week ? · loading

This week in Colorado Springs, CO (zone 6a)

Quiet week in Colorado Springs, CO (zone 6a). this week is a good time to step back and plan ahead.

Nothing critical on the calendar this week.

434 bars · 87 crops

Filter

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 6a

Ranked by how many crops in your zone they affect. Click through for IPM controls and signs to watch for.

Blattlaeuse-JR-T3-I176-2024-09-22 (aphid)
Aphid 31 crops

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.

Mule Deer (Odocoileus hemionus) sniff (deer-damage)
Deer Browse 31 crops

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.

Multiple Plant Species- microhabitats (bird-damage)
Bird Damage 23 crops

Multiple species

Robins, catbirds, mockingbirds, starlings, cedar waxwings and other songbirds can strip ripening berry and fruit crops in days. Crows and blackbirds also damage fresh sweet corn ears in milk stage. The single biggest yield-loss factor in unprotected home plantings.

Sylvilagus palustris in Sanibel Island 02 (rabbit-damage)
Rabbit Damage 22 crops

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 (japanese-beetle)
Japanese Beetle 17 crops

Popillia japonica

Defoliating beetle introduced to North America in 1916. Skeletonizes leaves of many fruit trees, berry canes, and pecan.

Lochmaea (10.3897-zookeys.856.30838) Figure 10 (flea-beetle)
Flea Beetle 17 crops

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.

Tetranychus urticae on sweet pepper, Bonenspintmijt op paprika (2) (two-spotted-spider-mite)
Two-Spotted Spider Mite 16 crops

Tetranychus urticae

Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.

Microtus lavernedii (Cantabria, Spain) (vole-damage)
Vole Damage 16 crops

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.

All pests →

Top diseases for zone 6a

Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.

Gray mold (Botrytis cinerea) on Rosa sp-5573591 (gray-mold)
Gray Mold (Botrytis) fungal

Botrytis cinerea

Ubiquitous fungal disease that causes fruit rot during cool wet weather, often the dominant berry disease in humid regions.

Downy mildew on leaves of Cucumis sativus (downy-mildew-cucurbit)
Downy Mildew fungal

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.

Seedlings - Flickr - peganum (3) (damping-off)
Damping Off fungal

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.

Tobacco mosaic virus symptoms tobacco (mosaic-virus)
Mosaic Virus viral

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.

Crown Gall of Sunflower (crown-gall)
Crown Gall bacterial

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 f. sp. cubense race 1 (24607024387) (fusarium-wilt-tomato)
Fusarium Wilt fungal

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.

Taro- Southern blight caused by Sclerotium rolfsii (southern-blight)
Southern Blight fungal

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 on cauliflower, Knolvoet bij bloemkool (clubroot)
Clubroot fungal

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.

All diseases →

Companion planting suggestions

Beneficial pairings drawn from companion data, filtered to crops that grow in zone 6a.

All companion pairs →

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 Colorado Springs

First: wait until after May 3 to plant tender crops like tomatoes, peppers, basil, and warm-season squash. Even a week earlier risks frost damage and wasted seed or transplants. Choose varieties bred for short seasons; standard indeterminate tomato varieties often don't finish fruit before October 8. Second: select disease-resistant fruit tree varieties suited to zone 6a hardiness. Scab-resistant apples, fireblight-tolerant pears, and brown-rot-resistant stone fruits reduce maintenance and chemical inputs. Third: plan irrigation from the start. The mountain environment's low humidity and sporadic rainfall make drip systems or soaker hoses more valuable than in wetter regions; water deeply in early morning before the intense sun and dry winds peak.

Frequently asked questions

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Which fruit trees grow most reliably in Colorado Springs?

Apples, pears, peaches, plums, cherries, and American persimmons are all hardy to zone 6a. Choose varieties rated for zone 6a hardiness and select disease-resistant cultivars; scab-resistant apples and fireblight-tolerant pears perform especially well in the low-humidity mountain environment.

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When should I plant tomatoes in Colorado Springs?

After May 3, when the last spring frost typically passes. Choose determinate or short-season indeterminate varieties; most standard indeterminate types don't finish fruit before October 8. Start seeds indoors 6 to 8 weeks before your transplant date to maximize the 158-day growing window.

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How do I protect fruit tree blossoms from late spring frosts?

Early-blooming fruit trees (peaches, apples, pears) often flower before May 3. Frost cloth or burlap thrown over the canopy at sunset on forecast cold nights offers temporary protection; remove it the next morning. In severely frost-prone areas, consider late-blooming varieties if available, though the tradeoff is shorter time to fruit maturity.

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Why do my fruit trees need so much water in Colorado Springs?

The low humidity and intense sun accelerate evaporation from soil and leaves, while precipitation is concentrated in spring and mid-summer, leaving dry gaps during critical growth periods. Drip irrigation delivering 1 to 2 inches per week during the growing season is more reliable than relying on rainfall alone.

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What should I do about hail damage to fruit and foliage?

Hail netting is expensive and logistically difficult for home orchards. Instead, focus on post-hail care: prune severely shredded branches to prevent disease entry, water stressed plants deeply, and accept that some seasons will yield less fruit. Choose locations with some wind protection if possible.

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Is fall or spring the better time to plant fruit trees in Colorado Springs?

Fall planting (September through October) is preferred; trees establish roots through autumn and spring, avoiding the stress of hot, dry summers as newly planted trees. Spring planting (April, before May 3) works but requires careful watering through a hot first summer.

Frost data: NOAA Climate Normals 1991-2020, station USW00093037. Local microclimates can shift these dates by a week or more.

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