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Brassica oleracea var. italica
Broccoli, scientifically known as Brassica oleracea var. italica, is a cool-season vegetable in the mustard family, Brassicaceae. Its familiar green crown consists of tightly packed immature flower buds supported by branching fleshy stems, making flower the best-fit botanical category. If left unharvested, those buds open into small yellow flowers. Broccoli usually has a deep green or blue-green central head, although purple, pale green, and sprouting forms are also cultivated. Raw broccoli is crisp, mildly peppery, and slightly grassy, while cooking softens its fibers and develops sweeter, nuttier, and more savory flavors. Nearly the entire plant is edible: florets, tender stems, the peeled main stalk, leaves, and young sprouts can all be used, though their nutrient profiles differ. Broccoli can be steamed, roasted, sauteed, stir-fried, grilled, blanched, boiled, fermented, or eaten raw. It provides vitamin C, vitamin K, folate, vitamin B6, pantothenic acid, fiber, potassium, phosphorus, manganese, and carotenoids with relatively few calories. Broccoli also contains glucosinolates, including glucoraphanin, which can form sulforaphane when plant tissue is chopped or chewed. Developed in the Mediterranean from cultivated wild cabbage, broccoli became strongly associated with Italy before spreading through Europe and eventually worldwide.
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Per 100g
Per 100g
Nutrition breakdown for one serving
The Mediterranean region, particularly the Italian peninsula, where broccoli was developed from cultivated forms of wild Brassica oleracea
Broccoli descended from wild Brassica oleracea growing along Mediterranean and European coasts. Farmers in the Italian peninsula selected cabbage relatives for enlarged flowering shoots, thick stems, and compact clusters of buds. The name broccoli derives from the Italian word broccolo, referring to the flowering crest or sprout of a cabbage. Recognizable broccoli forms were cultivated in Italy for centuries before spreading to northern Europe. Italian immigrants helped popularize broccoli in the United States during the nineteenth and early twentieth centuries, and commercial refrigeration later expanded its distribution. Modern breeding produced large-headed Calabrese types, tender sprouting forms, purple varieties, and hybrids adapted to different climates. International agricultural statistics commonly combine broccoli with cauliflower, so a dependable current global ranking specifically for broccoli is not supplied here.
Broccoli is a cool-season crop generally harvested during spring or autumn. Production shifts with regional climate, cultivar, and protected cultivation, making broccoli available throughout much of the year.
Each variety offers unique flavors, textures, and culinary applications
Keep your fruit fresh and delicious for longer
Choose broccoli with tightly closed flower buds and firm, compact heads.
Look for deep green, blue-green, or cultivar-appropriate purple coloration without widespread yellowing.
Select stalks that feel firm and moist rather than woody, rubbery, split, or severely dried.
Avoid broccoli with slime, mold, soft decay, flowering yellow buds, or a strong unpleasant odor.
Choose heads with crisp leaves because fresh leaves can indicate recent harvest and are also edible.
Store unwashed broccoli in a perforated or loosely closed bag in the refrigerator crisper.
Avoid sealing wet broccoli in an airtight bag because trapped moisture can encourage decay.
Keep cut florets and stalk pieces in an airtight refrigerated container and use them promptly.
Do not store broccoli beside raw meat, poultry, seafood, or contaminated surfaces.
Inspect stored broccoli regularly and discard portions that become moldy, slimy, mushy, or strongly off-smelling.
Rinse broccoli thoroughly under cool running water, paying attention to spaces between tightly packed flower buds.
Cut florets into similarly sized pieces so they cook at the same rate.
Trim the dry end of the main stalk, peel away its fibrous exterior, and slice or grate the tender interior.
Wash and trim fresh broccoli leaves, then steam, saute, roast, or add them to soups like other leafy greens.
Allow chopped broccoli to rest briefly before cooking if desired, giving naturally present myrosinase time to act on glucosinolates.
Avoid prolonged boiling because it can soften the texture, intensify sulfurous aromas, and increase losses of water-soluble nutrients.
Preserve freshness for months
Remove leaves and damaged areas, wash the broccoli, and cut the head into evenly sized florets.
Peel fibrous main stalks and cut the tender interior into uniform pieces for freezing.
Blanch florets and stalk pieces briefly in boiling water or steam before freezing.
Cool the blanched broccoli promptly in ice water, then drain and dry it thoroughly.
Freeze pieces in a single layer before transferring them to airtight freezer bags or containers.
Label frozen items with the date to track freshness. Most fruits maintain quality for 2-3 months when properly frozen. For best results, use airtight containers or freezer bags to prevent freezer burn.
Discover delicious possibilities
Broccoli allergy is uncommon but possible. Reactions may include oral itching, hives, swelling, digestive symptoms, wheezing, or, rarely, anaphylaxis. Some people allergic to mustard-family vegetables may react to broccoli, although cross-reactivity is not universal. Anyone experiencing breathing difficulty, faintness, or rapidly progressing swelling should seek emergency medical care, while suspected broccoli allergy should be evaluated by a qualified allergy specialist.
Agricultural practices and measured residues vary by farm, country, and season. Rinse broccoli thoroughly under running water, paying attention to the spaces between florets where soil, insects, and debris can collect. Washing removes debris, microorganisms, and some surface residues but does not replace agricultural safety controls. Do not wash produce with soap, bleach, or household detergent. Consumers seeking current residue information should consult their national food-safety authority.
Surprising trivia you'll love!
Broccoli belongs to the same species as cabbage, kale, cauliflower, Brussels sprouts, and kohlrabi.
The broccoli crown consists of hundreds of tightly packed immature flower buds.
If left unharvested, broccoli buds open into small yellow flowers.
The word broccoli comes from the Italian word broccolo, referring to a flowering cabbage shoot.
Broccoli stalks and leaves are edible as well as the florets.
Purple sprouting broccoli develops numerous slender flowering shoots instead of one large central head.
Broccoli sprouts and mature broccoli have different nutrient and glucosinolate profiles.
Brief steaming typically preserves broccoli's color and texture better than prolonged boiling.
Yes. The familiar broccoli crown consists of tightly packed immature flower buds attached to branching stems, making flower the best botanical category. If the head is left on the plant instead of being harvested, the buds eventually open into small yellow flowers. The stems and leaves are also edible, but the undeveloped flowering head is the principal commercial part. Broccoli belongs to Brassica oleracea, the same species as cabbage, kale, cauliflower, Brussels sprouts, and kohlrabi. Selective breeding emphasized different structures in each of these vegetables.
Broccoli can be eaten raw after thorough washing. Raw florets and peeled stalks are crisp and suitable for salads, slaws, vegetable platters, and dips. Raw preparation retains more heat-sensitive vitamin C and active myrosinase than extensive cooking. However, the firm texture can present a choking risk for young children unless broccoli is cut into age-appropriate pieces, and some people experience gas or bloating from raw cruciferous vegetables. Smaller portions or lightly steamed, roasted, or sauteed broccoli may be easier to chew and tolerate.
No single cooking method is best for every nutrient, but brief steaming is a useful choice because it softens broccoli while limiting contact with water. Microwaving, quick stir-frying, and roasting can also preserve substantial nutrients when broccoli is not overcooked. Extended boiling transfers vitamin C, folate, and other water-soluble compounds into the cooking liquid and can reduce myrosinase activity. If broccoli is boiled in soup, consuming the broth retains compounds that would otherwise be discarded. Cooking until bright green and tender-crisp generally preserves texture and flavor.
Broccoli stems, the central stalk, and leaves are edible. The main stalk often has a fibrous outer layer, but peeling reveals a tender, mildly sweet interior that can be sliced, grated, roasted, steamed, stir-fried, or blended into soup. Broccoli leaves can be prepared like kale or collard greens and work well sauteed, steamed, roasted, or added to soups. Using these parts reduces food waste and provides additional texture. Discard plant material that is moldy, slimy, rotten, extensively pest-damaged, or strongly off-smelling.
No. Broccoli sprouts are very young seedlings, while mature broccoli consists of developed stems, leaves, and immature flower buds. Sprouts and mature broccoli have different concentrations of nutrients and phytochemicals. Broccoli sprouts are especially noted for high glucoraphanin concentrations, but exact amounts vary substantially. The per-100-gram nutrition values in this record apply to mature raw broccoli, not sprouts. Raw sprouts also require additional food-safety caution because the warm, humid conditions used for sprouting can support pathogenic bacteria even when the seeds and sprouts appear normal.
Broccoli is rich in vitamin K, providing about 85% of the Daily Value per 100 g. Vitamin K participates in blood-clotting pathways and can influence the effect of warfarin and similar vitamin K-sensitive anticoagulants. People taking these medicines generally do not need to eliminate broccoli, but they should keep their intake reasonably consistent instead of suddenly eating much larger or smaller quantities. Medication monitoring and individual targets differ, so patients should follow guidance from their prescribing clinician or anticoagulation service rather than changing medication or diet independently.
Broccoli contains glucosinolates that can form compounds capable of influencing iodine use under certain experimental or high-intake conditions. For most people with adequate iodine intake, ordinary food portions are not considered a thyroid concern. Potential relevance is greater when extremely large quantities of raw cruciferous vegetables are consumed regularly alongside iodine deficiency. Cooking modifies some glucosinolate-related compounds. People with diagnosed thyroid disease usually do not need to avoid broccoli automatically, but they should maintain adequate iodine intake and follow personalized advice from their clinician or registered dietitian.
Broccoli turns yellow when its green chlorophyll breaks down and the flower buds continue maturing. Warm temperatures, long storage, dehydration, and exposure to ethylene-producing fruits can accelerate the process. Slight yellowing is primarily a quality issue and may bring stronger or more bitter flavor, but broccoli should be discarded if yellowing is accompanied by slime, mold, mushy decay, or a strong unpleasant odor. Refrigerating an unwashed head promptly in a perforated bag slows deterioration. For the best flavor and vitamin retention, use broccoli while the buds remain tight and green.
Store unwashed broccoli in a perforated or loosely closed bag in the refrigerator crisper. Avoid sealing wet broccoli in an airtight container because trapped moisture encourages decay. Broccoli generally retains its best quality for about three to five days, although a very fresh head may remain usable for about a week. Keep cut florets and stalk pieces refrigerated in an airtight container and use them promptly. Discard broccoli that develops widespread mold, slime, mushy stems, leaking tissue, or a strongly unpleasant odor rather than simply trimming the visible damage.
Sustainability insights
Broccoli produces edible flower buds, stems, stalks, and leaves, allowing much of the harvested plant to be used. Its environmental performance depends on fertilizer, irrigation, pest management, soil preparation, refrigeration, packaging, and food waste. Crop rotation, cover crops, integrated pest management, efficient nutrient application, minimal packaging, and whole-plant culinary use can improve resource efficiency.
Fresh, minimally processed broccoli generally has a relatively low greenhouse-gas footprint compared with most animal-derived foods, although no universal value represents every production system. Heated greenhouse cultivation, extended refrigeration, air freight, frozen processing, packaging, and energy-intensive cooking can increase emissions. Seasonal field production, regional distribution, efficient storage, and brief cooking methods can help reduce energy requirements.
Water requirements vary with climate, soil, cultivar, growing period, yield, and irrigation efficiency. Broccoli requires consistent moisture for healthy vegetative growth and head formation, while overwatering can waste freshwater and encourage disease. Mulching, healthy soil structure, soil-moisture monitoring, suitable planting dates, and accurately scheduled irrigation can improve water-use efficiency.
Local, seasonal broccoli may require less transport and prolonged refrigeration, but distance alone does not determine total environmental impact. Efficiently produced imports transported by ship or truck can sometimes compare favorably with heated or low-yield local crops. Choosing fresh heads, storing them correctly, using stalks and leaves, and preventing household waste can reduce the impact of each serving.
We aim to keep this Broccoli profile accurate and easy to understand. Nutrition values and % Daily Value figures are based on established reference databases and standard daily value guidance.
Last updated: August 25, 2026
Medical disclaimer
This page is for general educational purposes and does not replace professional medical advice.
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