Local planting guide · Midwest
zip 47405
Bloomington is in USDA hardiness zone 6b, with average winter lows of -5°F to 0°F. The local growing season runs roughly 04/17 through 10/22 (~185 days). This zip falls within the Midwest growing region.
- USDA zone
- 6b -5°F to 0°F
- Last spring frost
- 04/17
- First fall frost
- 10/22
- Growing season
- 185 days
- Compatible crops
- 87
- Growing region
- Midwest
Right now in Bloomington
Week 18 priorities
On the docket: transplant out after last frost · direct sow after last frost. See the full calendar →
Gardening in Bloomington
Bloomington sits in zone 6b with winter minimums between -5 and 0°F. The growing season runs April 17 to October 22, providing 185 frost-free days. This is enough for the full range of stone fruits, apples, and pears that define the Midwest, but the window is not generous. Late spring freezes in May are the dominant risk; early autumn frost can catch tender crops unprepared.
The 185-day window is solid for established fruit trees but tight for long-season crops unless started early indoors or under cover. Apple and pear production is reliable here. Stone fruits (peach, plum, cherry) thrive in zone 6b's spring warmth and winter chilling, though the April frost date means some bud damage occurs in cold years. American persimmon, often overlooked, establishes well in Indiana's loamy soils and produces consistently.
Summer humidity is significant; fungal disease pressure is higher than in drier regions. The combination of reliable winter cold (good for chill hours) and spring moisture creates ideal conditions for apple scab and fire blight if not managed. Bloomington gardeners benefit from being in a well-established fruit-growing region; local extension knowledge is deep, and many traditional varieties were selected for this exact climate.
Regional context · Midwest
What the Midwest brings to Bloomington
Continental humid. Cold winters, hot humid summers. Heart of the country's vegetable, sweet corn, and cool-climate fruit production. Michigan and Wisconsin are major fruit states.
Common challenges
Issues that most often defeat home gardeners in zone 6b, drawn from the broader USDA zone profile.
- ▸ Cedar-apple rust
- ▸ Fire blight
- ▸ Stink bugs
What defeats new gardeners in Bloomington
Late-spring freeze damage is the single biggest issue in zone 6b. The April 17 frost date sounds late, but flower buds on stone fruits develop and open before that; late April cold snaps damage the current-year crop. Peach, Japanese plum, and sweet cherry are especially vulnerable to bud loss in years with early bloom followed by freeze.
Fire blight thrives in the warm, humid springs of southern Indiana. Fruit trees in the Rosaceae family (apple, pear, cherry, hawthorn) are all susceptible; the disease moves fast in May and June. Humidity also drives apple scab and powdery mildew. Manage by selecting resistant varieties, removing affected branches promptly, and avoiding high-nitrogen fertilization that promotes soft new growth. Summer drought is less common than in the Plains but still occurs; established fruit trees need consistent water during July and August.
Crops that grow in Bloomington
87 crops from our catalog match zone 6b, grouped by type.
Tree fruit
12 crops
zone 6b Apple
Malus domestica
zones 3a–9a
zone 6b Pear
Pyrus communis
zones 4a–8b
zone 6b Peach
Prunus persica
zones 5a–9a
zone 6b European Plum
Prunus domestica
zones 4a–8a
zone 6b Japanese Plum
Prunus salicina
zones 5b–9a
zone 6b Sweet Cherry
Prunus avium
zones 5a–8a
zone 6b Sour Cherry
Prunus cerasus
zones 4a–7b
zone 6b American Persimmon
Diospyros virginiana
zones 4b–9a
Berries
20 crops
zone 6b Highbush Blueberry
Vaccinium corymbosum
zones 4a–7b
zone 6b Lowbush Blueberry
Vaccinium angustifolium
zones 3a–6b
zone 6b Red Raspberry
Rubus idaeus
zones 3b–8a
zone 6b Black Raspberry
Rubus occidentalis
zones 4a–8a
zone 6b Yellow Raspberry
Rubus idaeus
zones 3b–8a
zone 6b Blackberry
Rubus subgenus Rubus
zones 5a–9a
zone 6b June-Bearing Strawberry
Fragaria x ananassa
zones 3a–8b
zone 6b Everbearing Strawberry
Fragaria x ananassa
zones 3b–9a
Nuts
6 crops
Vegetables
40 crops
zone 6b Tomato
Solanum lycopersicum
zones 3a–10b
zone 6b Sweet Pepper
Capsicum annuum
zones 4a–10b
zone 6b Hot Pepper
Capsicum species
zones 4a–10b
zone 6b Eggplant
Solanum melongena
zones 5a–10b
zone 6b Potato
Solanum tuberosum
zones 3a–9a
zone 6b Cabbage
Brassica oleracea var. capitata
zones 3a–9b
zone 6b Broccoli
Brassica oleracea var. italica
zones 3a–9a
zone 6b Cauliflower
Brassica oleracea var. botrytis
zones 3b–9a
Herbs
9 crops
zone 6b Basil
Ocimum basilicum
zones 4a–10b
zone 6b Parsley
Petroselinum crispum
zones 3b–9b
zone 6b Cilantro / Coriander
Coriandrum sativum
zones 3b–9b
zone 6b Dill
Anethum graveolens
zones 3b–9a
zone 6b Oregano
Origanum vulgare
zones 4a–9b
zone 6b Thyme
Thymus vulgaris
zones 4a–9a
zone 6b Sage
Salvia officinalis
zones 4a–9a
zone 6b Mint
Mentha species
zones 3b–9b
Plan the year
Planting calendar for Bloomington
Year-view of seed starting, transplanting, planting, pruning, fertilizing, harvest, and pest-watch windows tuned to Bloomington's local frost dates.
Week ? · loading
This week in Bloomington, IN (zone 6b)
Quiet week in Bloomington, IN (zone 6b). this week is a good time to step back and plan ahead.
Nothing critical on the calendar this week.
434 bars · 87 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 6b
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.
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 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.
Tetranychus urticae
Tiny mite that feeds on leaf undersides, causing stippling and webbing during hot dry weather.
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 6b
Ranked by how many crops in your zone they affect. Click through for symptoms, controls, and resistant varieties.
Botrytis cinerea
Ubiquitous fungal disease that causes fruit rot during cool wet weather, often the dominant berry disease in humid regions.
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.
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 6b.
- 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.
- 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.
- Highbush Blueberry + Thyme
Creeping thyme thrives in the acidic mulched conditions blueberries require and attracts pollinators during bloom.
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 Bloomington
Start pome fruits (apple, pear) from dormant, bare-root stock in early March, before bud break. Spacing matters more than planting date; crowded plantings trap humidity and invite disease.
For stone fruits, choose late-blooming varieties or select sites that avoid frost pockets. Valley locations collect cold air; higher ground stays warmer on a freeze night.
Succession-plant vegetables for continuous harvest into October. Tomatoes, peppers, and beans set fruit best when nighttime temperatures stay above 55°F; aim to transplant in late May, well after the April 17 frost date. Fall crops (kale, chard, brassicas) seeded in July mature in the cool of September and October, when disease pressure drops and flavor improves.
Frequently asked questions
- What are the best fruit trees for Bloomington?
Apple and pear are the most reliable crops. For stone fruits, European plum is hardier than Japanese plum, and sour cherry thrives in zone 6b. American persimmon is underused but establishes well in Indiana loam.
- When should I start tomato seeds indoors?
Tomatoes need 6 to 8 weeks of growth before transplanting outdoors in late May, after the April 17 frost date. Count backward; late March sowing works for zone 6b.
- What's the biggest weather risk in Bloomington?
Late-spring freeze in May damages stone fruit buds and new growth. Peach, Japanese plum, and sweet cherry are most vulnerable. Protect with frost cloth or select late-blooming varieties.
- How do I manage fire blight?
Remove infected branches 12 inches below visible symptoms, sterilize pruning tools between cuts, and avoid high-nitrogen fertilizer that stimulates tender growth. Thin dense canopies to improve air circulation in spring.
- Is humidity a problem in Bloomington?
Yes. Apple scab and powdery mildew thrive in warm, humid springs. Choose resistant varieties and thin fruit to improve air flow. Both strategies reduce the disease pressure that peaks in May and June.
- Can I grow peaches in Bloomington?
Yes, but select cold-hardy varieties bred for zone 6. Late spring freezes damage flower buds; choose higher ground and avoid frost pockets where cold air settles.
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Frost data: NOAA Climate Normals 1991-2020, station USW00003893. Local microclimates can shift these dates by a week or more.
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