Do chill hours apply to cabbage?

Chill-hour requirements are specific to perennial fruit trees and shrubs that need a dormancy period. Cabbage is a cool-season annual with no chill-hour requirement. What matters instead is planting within the right temperature window, broadly 45 to 75 degrees Fahrenheit during head development, and selecting a variety whose days-to-maturity fits the available season.

How long does cabbage take from transplant to harvest?

Days to harvest range from 60 to 100 depending on variety. Early types like Early Jersey Wakefield mature around 60 days from transplant; large storage types like Brunswick take 80 or more days. Matching variety maturity to the frost-free window remaining in the season is more important than any single cultural practice.

What USDA zones can cabbage grow in?

Cabbage is adapted to zones 3a through 9b. In colder zones (3 to 5), spring planting is the primary window. In zones 6 through 8, both spring and fall crops are feasible, with fall often producing better-quality heads. In zones 9a and 9b, cabbage is grown as a winter annual, planted in fall and harvested through early spring.

Is cabbage self-fertile, or does it need pollinators?

Cabbage grown for harvest is consumed before it ever flowers, so pollination is not relevant to yield. When saving seed, cabbage is an insect-pollinated cross-pollinator and will cross freely with other Brassica oleracea varieties including broccoli, kale, and Brussels sprouts. Seed saving requires varietal isolation of at least a quarter mile or physical bagging.

What is the most damaging disease in cabbage?

Clubroot (Plasmodiophora brassicae) is the most serious long-term threat because it persists in soil for 20 or more years with no practical cure once established. Downy mildew and white mold are also common but respond better to improved airflow and dry-foliage management practices.

Can established cabbage plants tolerate frost?

Established cabbage handles light frost well, generally tolerating temperatures down to about 28 degrees Fahrenheit without significant damage. A light frost shortly before harvest often improves flavor by converting starches to sugars. Young transplants set out within a week or two of a hard freeze are more vulnerable and benefit from row cover protection.

Why does cabbage bolt instead of forming a tight head?

Bolting, in which cabbage sends up a flower stalk rather than forming a head, is triggered by prolonged cold exposure followed by warmth (vernalization) or by heat stress during the heading phase. Spring crops planted too late frequently bolt as temperatures climb in early summer. Fast-maturing varieties and precise transplant timing reduce the risk considerably.

vegetable

Cabbage

Brassica oleracea var. capitata

USDA hardiness range

1471013

Zones: 3a–9b
Days to harvest: 60 to 100
Sun: Full
Water: Moderate
Lifespan: annual

Growing cabbage

Cabbage is a cool-season annual that performs across an unusually wide zone range, zones 3a through 9b, making it one of the more versatile brassicas for American home gardens. That adaptability comes with a catch: cabbage is temperature-sensitive at both ends of the season. Spring crops need to be transplanted early enough to mature before summer heat causes bolting or loose heads, and fall crops need to be timed so heads fill before hard freezes arrive.

In zones 3 through 5, a single spring crop and possibly a short fall window are realistic. In zones 6 through 8, both a spring and fall crop are feasible; fall plantings often produce tighter, sweeter heads as cool temperatures arrive during heading. In zones 9a and 9b, cabbage functions as a winter annual, planted in fall for harvest through winter and early spring.

Days to harvest range from 60 to 100 depending on variety. An early type like Early Jersey Wakefield at 60 days provides meaningful timing buffer in short-season zones or against an unpredicted early frost. Late storage types like Brunswick suit fall production in zones with long autumns and are better matched to 80-plus-day windows.

What separates productive plantings from failed ones is usually timing, not skill. A transplant set out two weeks too late into a warming spring will head poorly or bolt. Tracking local last-frost and first-fall-frost dates precisely is the foundational step before any variety or soil decision.

Recommended varieties

See all 4 →

4 cultivars for home growers, with notes on flavor, ripening, and disease resistance.

Variety	Notes	Zone fit	Disease resistance
Brunswick	Sweet, dense, classic flavor; large flat-headed German storage cabbage. Sauerkraut, slaw, soups. Heritage open-pollinated, holds in the field, stores 3-4 months.	3a–6b	none noted
Early Jersey Wakefield	Sweet, mild, tender; pointed conical heads. Slaw, fresh, sauerkraut. Heritage early variety (60 days), excellent for spring planting.	3b–7b	none noted
Savoy King	Mild, tender, crinkled-leaf elegance; the Savoy cabbage with frilled blue-green leaves. Stir-fries, stuffed leaves, fresh. More cold-tolerant than smooth-leaf types.	3b–7a	none noted
Red Acre	Sweet-tart, crisp, deep magenta; the standard red home-garden cabbage. Slaw, pickling, fresh. Productive, holds shape, good storage.	3b–7b	none noted

Soil and site requirements

Cabbage prefers a firm, fertile, consistently moist soil with a pH between 6.5 and 7.0. The upper end of that range matters in practice: clubroot, one of the most persistent soil-borne pathogens in the brassica family, is suppressed above pH 6.8. If clubroot has appeared in a bed previously, liming to 7.0 to 7.2 is a reasonable precaution before planting.

Full sun is a requirement, not a preference. Shaded plants produce loose heads with poor density. Drainage is equally important; cabbage tolerates moderate moisture but is sensitive to waterlogged conditions, particularly during seedling establishment. Raised beds or slightly mounded rows improve drainage on heavier clay soils.

Spacing varies by variety. Compact early types can be grown at 12 inches in-row with 18-inch row spacing. Large storage types like Brunswick, which can reach 10 to 15 pounds per head, need 18 to 24 inches in each direction. Crowding delays heading and increases disease pressure by limiting airflow.

Microclimate matters at the warm edge of the recommended range. In zones 8b through 9b, north-facing slopes or sites with afternoon shade from a structure can extend the productive window by several weeks compared to exposed, south-facing beds.

Common diseases

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.

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.

White Mold fungal

Sclerotinia sclerotiorum

Fungal disease that produces fluffy white mycelium on stems and lower leaves. Forms hard black sclerotia (resting bodies) that survive 5+ years in soil.

Common pests

Aphid

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.

Imported Cabbageworm

Pieris rapae

Velvety green caterpillars that chew large irregular holes in brassica leaves and bore into heads. Adults are the small white butterflies seen fluttering through the garden.

Cabbage Looper

Trichoplusia ni

Pale green caterpillars that arch their backs (loop) when crawling. Defoliate brassicas and lettuce, contaminate harvested heads. Adults are mottled gray-brown moths.

Flea Beetle

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.

Whitefly

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.

Eulimacrostoma (10.3897-zse.95.33880) Figure 3 (slug-snail)

Slug and Snail

Multiple species (Gastropoda)

Soft-bodied mollusks that feed on tender leaves and seedlings primarily at night. Damaging especially in wet years and shaded mulched gardens.

Mule Deer (Odocoileus hemionus) sniff (deer-damage)

Deer Browse

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.

Rabbit Damage

Sylvilagus and Lepus species

Cottontails and jackrabbits strip bark from young fruit trees in winter and graze tender garden vegetables year-round, especially seedlings.

Common challenges

Three problems account for most home-garden cabbage failures.

The first is timing. Cabbage heads best when the final weeks of development occur in temperatures between 45 and 75 degrees Fahrenheit. Transplanting even two weeks too late into a warming spring results in loose, poorly filled heads or bolting. Using transplants rather than direct seed, and starting them 4 to 6 weeks before the target outdoor date, is the practical fix.

The second is caterpillar pressure. Imported cabbageworm and cabbage looper can defoliate young plants and bore into forming heads before the damage becomes visible. The most reliable intervention is row cover from transplant through heading; where that is not practical, Bacillus thuringiensis (Bt) applied when larvae are small and actively feeding is effective and leaves minimal residue.

The third is clubroot. Caused by the soil pathogen Plasmodiophora brassicae, clubroot is nearly impossible to eradicate once established. It stunts plants severely and survives in soil for 20 or more years. Prevention is the only real option: rotate brassicas on a minimum 4-year cycle, maintain soil pH above 6.8, and avoid moving soil between beds.

Companion plants

avoid tomato Brassicas release allelopathic compounds that slow tomato growth. The two crops also have very different water needs (cabbage prefers consistently wet, tomato dislikes wet feet). Keep separate. good thyme Thyme volatile oils deter cabbage moths and the imported cabbageworm caterpillars. Underplant cabbage rows with creeping thyme as living mulch. good dill Dill flowers attract parasitoid wasps that target cabbage moth eggs. Plant dill at cabbage row ends and let some go to flower for the predator effect. good onion Onion smell confuses cabbage moth. Both prefer similar moisture and fertility. The onion-cabbage interplanting is a Northern European tradition. avoid broccoli Same family, same pests, same diseases. Planting them adjacently amplifies disease and pest pressure. Separate by at least one bed and rotate to non-brassica beds annually. good mint Mint volatile oils repel cabbage moth and many beetles. Grow mint in a sunken pot near cabbage to contain its aggressive spreading habit.

Frequently asked questions

Do chill hours apply to cabbage?: Chill-hour requirements are specific to perennial fruit trees and shrubs that need a dormancy period. Cabbage is a cool-season annual with no chill-hour requirement. What matters instead is planting within the right temperature window, broadly 45 to 75 degrees Fahrenheit during head development, and selecting a variety whose days-to-maturity fits the available season.
How long does cabbage take from transplant to harvest?: Days to harvest range from 60 to 100 depending on variety. Early types like Early Jersey Wakefield mature around 60 days from transplant; large storage types like Brunswick take 80 or more days. Matching variety maturity to the frost-free window remaining in the season is more important than any single cultural practice.
What USDA zones can cabbage grow in?: Cabbage is adapted to zones 3a through 9b. In colder zones (3 to 5), spring planting is the primary window. In zones 6 through 8, both spring and fall crops are feasible, with fall often producing better-quality heads. In zones 9a and 9b, cabbage is grown as a winter annual, planted in fall and harvested through early spring.
Is cabbage self-fertile, or does it need pollinators?: Cabbage grown for harvest is consumed before it ever flowers, so pollination is not relevant to yield. When saving seed, cabbage is an insect-pollinated cross-pollinator and will cross freely with other Brassica oleracea varieties including broccoli, kale, and Brussels sprouts. Seed saving requires varietal isolation of at least a quarter mile or physical bagging.
What is the most damaging disease in cabbage?: Clubroot (Plasmodiophora brassicae) is the most serious long-term threat because it persists in soil for 20 or more years with no practical cure once established. Downy mildew and white mold are also common but respond better to improved airflow and dry-foliage management practices.
Can established cabbage plants tolerate frost?: Established cabbage handles light frost well, generally tolerating temperatures down to about 28 degrees Fahrenheit without significant damage. A light frost shortly before harvest often improves flavor by converting starches to sugars. Young transplants set out within a week or two of a hard freeze are more vulnerable and benefit from row cover protection.
Why does cabbage bolt instead of forming a tight head?: Bolting, in which cabbage sends up a flower stalk rather than forming a head, is triggered by prolonged cold exposure followed by warmth (vernalization) or by heat stress during the heading phase. Spring crops planted too late frequently bolt as temperatures climb in early summer. Fast-maturing varieties and precise transplant timing reduce the risk considerably.

Sources

[1] Cornell Cole Crops Production

Image: "Weißkohl Brassica oleracea var. capitata 2011", by 4028mdk09, via Wikimedia Commons, licensed under CC-BY. Source.