# Difference Between Collard Greens and Turnip Greens Author: Nex Virox Team (Editorial Team) Reviewed by: Varshal Nirbhavane Published: 2026-09-10 Last updated: 2026-09-10 Canonical: https://nexvirox.com/difference-between/difference-between-collard-greens-and-turnip-greens/ **Quick answer:** The main difference between Collard Greens and Turnip Greens is that collards have broad, smooth, dark green leaves with a mild, earthy flavor, while turnip greens are smaller, tender, and peppery. Collard Greens is a leafy cabbage-family vegetable with thick, sturdy leaves, while Turnip Greens is the edible top of the turnip root plant, offering a sharper, spicier taste.

Difference Between Collard Greens and Turnip Greens: Comparison Table

Aspect	Collard Greens	Turnip Greens
Definition	A leafy cabbage cultivar grown for its large, thick, non-heading leaves.	The edible leafy tops of the turnip plant, a root vegetable in the Brassicaceae family.
Purpose	Primarily cultivated as a cooking green for hearty, slow-cooked dishes.	Grown both for its edible root and its leafy tops, serving a dual harvest.
Core Mechanism	Thick, waxy leaves retain moisture and structure during long, low-heat cooking.	Thinner, tender leaves cook quickly and break down faster under heat.
Leaf Structure	Broad, smooth, dark green leaves with a prominent central stem or rib.	Smaller, lobed, and slightly fuzzy leaves with a thinner, more delicate stem.
Stem Thickness	Stems are thick, fibrous, and require longer cooking or removal before eating.	Stems are thin, tender, and typically eaten whole without preparation.
Flavor Profile	Mild, earthy, and slightly smoky with a subtle cabbage-like taste.	Sharper, peppery, and more pungent with a distinct mustard-like bite.
Texture	Hearty and chewy, maintaining a firm bite even after prolonged simmering.	Soft and delicate, becoming tender and silky after just a few minutes of cooking.
Cook Time	Requires 45 to 60 minutes of simmering to become fully tender.	Typically cooks in 10 to 15 minutes, wilting quickly with minimal heat.
Cooking Method	Often braised, stewed, or boiled with smoked meats for flavor infusion.	Commonly sautéed, wilted, or lightly steamed to preserve their delicate nature.
Yield	Produces a large volume of leaves per plant, offering a substantial harvest.	Produces a smaller leaf yield per plant, as energy also goes to the root.
Growing Season	Thrives in cooler weather and can tolerate light frosts for extended harvests.	Fast-growing and matures quickly, often ready for harvest in 40 days.
Cold Tolerance	Highly frost-hardy, with flavor improving after exposure to cold temperatures.	Moderately cold-hardy, but severe frost can damage the tender leaves.
Heat Tolerance	Bolts and turns bitter quickly in hot summer weather.	Also bolts in heat, but its quick growth allows for early harvest before summer.
Nutritional Value	Rich in vitamin K, vitamin A, and calcium, providing high levels per cooked cup.	High in vitamin C, vitamin A, and manganese, offering a different nutrient profile.
Caloric Content	Provides about 30 calories per cooked cup, making it a low-energy, high-volume food.	Provides about 20 calories per cooked cup, offering a very light nutritional load.
Fiber Content	Contains a high amount of insoluble fiber, aiding in digestive regularity.	Contains a moderate amount of fiber, with a softer texture that is easier to digest.
Oxalate Level	Contains moderate oxalates, which may require caution for those prone to kidney stones.	Contains lower oxalate levels, making them a safer choice for the same condition.
Cost	Often sold in large bunches, offering a low cost per serving due to high yield.	Typically sold in smaller bundles, which can be slightly more expensive per serving.
Availability	Widely available year-round, with peak season in the cooler months.	Most available in spring and fall, with limited presence during peak summer.
Shelf Life	Stays fresh for up to one week in the refrigerator when stored unwashed.	Perishable and best used within 3 to 4 days of purchase for peak quality.
Storage Method	Best stored loosely wrapped in a plastic bag with air holes to retain moisture.	Store unwashed in a damp paper towel inside a sealed container for crispness.
Culinary Use	Central to Southern US cuisine, often cooked with ham hocks or bacon.	Common in Southern cooking and also used fresh in salads or as a garnish.
Regional Popularity	A staple in the American South, deeply tied to soul food traditions.	Popular in the South, but also common in European and Asian cuisines.
Raw Consumption	Too tough and fibrous to be eaten raw comfortably in large quantities.	Can be eaten raw, offering a peppery bite that works well in mixed salads.
Freezing Suitability	Freezes well after blanching, retaining texture and flavor for months.	Freezes adequately, but leaves can become slightly limp and watery after thawing.
Pest Resistance	Thick leaves offer some natural resistance to certain chewing insects.	Thinner leaves are more susceptible to aphids and flea beetles.
Soil Preference	Prefers rich, well-drained soil with a pH between 6.0 and 7.0.	Grows well in loose, fertile soil, tolerating a slightly wider pH range.
Harvest Time	Leaves are picked individually over a long period, extending the harvest.	Often harvested as a whole plant at once, especially when thinning a crop.
Typical Users	Favored by home cooks who enjoy slow, traditional braising and stewing.	Chosen by cooks seeking a quick, peppery side dish or a fresh salad green.
Best-Fit Scenario	Ideal for long, low-heat cooking with smoked meats or beans for a hearty meal.	Perfect for quick weeknight sautés or fresh, raw applications where speed is key.

What Is Collard Greens?

Collard greens are large, dark leafy vegetables from the Brassica oleracea family. They are grown for their thick, sturdy leaves, which are cooked rather than eaten raw. Collard greens exist as a staple crop because they tolerate heat and frost better than most other leafy greens.

Definition of Collard Greens

Collard greens are non-heading cabbage cultivars harvested for their broad, smooth, dark-green leaves. The leaves grow in a loose rosette from a central stem instead of forming a tight head. This botanical structure distinguishes collard greens from cabbage and gives them a tougher texture that requires longer cooking.

Key Characteristics of Collard Greens

Characteristic	What It Means in Practice
Leaf texture	Thick, waxy, and sturdy leaves hold up to long braising without turning to mush.
Cold tolerance	Plants survive light frosts, and cold weather actually makes the leaves taste sweeter.
Heat tolerance	Collard greens resist bolting in warm weather better than spinach or lettuce do.
Growth habit	Leaves sprout from a central stalk, so you can harvest lower leaves while the plant keeps growing.
Cooking time	Requires 45 to 60 minutes of simmering to become tender, far longer than delicate greens.
Flavor profile	Mild, earthy, and slightly bitter, with a cabbage-like taste that deepens when cooked.
Nutrition density	High in vitamin K, vitamin A, vitamin C, calcium, and dietary fiber per calorie.
Stem structure	Thick central ribs are edible but tough, so many cooks strip them before chopping leaves.
Yield per plant	One mature plant produces multiple harvests over several months, giving a high total yield.
Storage life	Fresh leaves keep for up to one week in the refrigerator, longer than most salad greens.

Common Examples of Collard Greens

Georgia Southern – a classic open-pollinated variety known for its large, tender, blue-green leaves and reliable Southern US performance.
Vates – a compact, cold-hardy cultivar that resists bolting and produces smooth, dark green leaves for fall harvests.
Champion – a slow-bolting variety with a mild, sweet flavor and a semi-upright growth habit that simplifies picking.
Morris Heading – an heirloom type that forms a loose central head, making it a good choice for colder climates.
Green Glaze – a rare heirloom with a natural waxy coating that deters caterpillars and other leaf-eating insects.
Flash – a fast-maturing hybrid that reaches harvest size in about 55 days, ideal for short growing seasons.
Top Bunch – a hybrid variety bred for high yields, uniform leaves, and strong resistance to downy mildew.
Blue Max – a vigorous hybrid with thick, upright, blue-green leaves that withstand heavy rain and wind damage.
Old Timey – a Southern heirloom with a strong, peppery bite and a tall stalk that suits repeated leaf picking.
Mikado – a Japanese-bred variety with tender, sweet leaves that cook faster than traditional Southern types.

Advantages and Limitations of Collard Greens

Advantages	Limitations
Extremely cold-hardy, so they provide fresh greens in winter when other leafy crops fail.	Long cooking times of up to an hour make them inconvenient for quick weeknight meals.
Repeated leaf harvesting keeps a single plant productive for several months.	Raw leaves are tough and fibrous, so they are rarely eaten fresh in salads.
Rich in calcium and vitamin K, delivering more of these nutrients than kale per serving.	Strong, bitter flavor when mature can be off-putting to people who prefer mild greens.
Heat-tolerant varieties resist bolting, extending the harvest window into early summer.	Heavy feeders that deplete soil nitrogen quickly, requiring frequent fertilizer applications.
Thick leaves hold up to freezing, so they can be harvested after a hard frost.	Susceptible to cabbage worms, aphids, and flea beetles that damage leaf surfaces.
High water content and fiber make them filling while remaining low in calories.	Large leaves take up considerable garden space compared to compact spinach or lettuce rows.
Traditional Southern cooking methods produce a deeply savory, smoky flavor.	Classic recipes often use smoked pork, which adds significant sodium and saturated fat.
Stores well in the refrigerator, lasting up to a week without wilting.	Thick central stems are woody and require stripping, adding prep time before cooking.
Freezes successfully after blanching, preserving the harvest for months.	Strong cabbage-family aroma during cooking can linger in the home for hours.
Adaptable to many soil types, including clay, as long as drainage is adequate.	Slow to mature, taking 60 to 80 days from seed before the first harvest is ready.

What Is Turnip Greens?

Turnip Greens are the edible leafy tops of the turnip plant, Brassica rapa subsp. rapa. They exist as a fast-growing cool-season crop harvested before the root bulb matures. Their mildly peppery, slightly bitter flavor makes them a staple in Southern cooking, where they are typically slow-cooked with smoked pork for a savory, tender side dish.

Definition of Turnip Greens

Turnip Greens are the unopened or young leaves and tender upper stems of the turnip plant, harvested approximately 40 days after sowing. Botanically classified as Brassica rapa subsp. rapa, they belong to the Brassicaceae family. These leaves are consumed as a leafy vegetable, prized for their high vitamin K and vitamin A content.

Key Characteristics of Turnip Greens

Characteristic	What It Means in Practice
Peppery Flavor	Delivers a sharp, mustard-like bite that mellows into sweetness after prolonged cooking or braising.
Fast Maturity	Ready for harvest in just 40-50 days, allowing multiple successive plantings in one growing season.
Cold Hardiness	Survives light frosts and actually tastes sweeter after exposure to cold temperatures in autumn.
High Vitamin K	One cooked cup provides over 400% of the daily value, making it potent for blood clotting support.
Soft Texture	Leaves are thinner and more tender than collard leaves, requiring shorter cooking times to become palatable.
Hairy Leaf Surface	Young leaves have fine hairs that disappear with cooking, but raw leaves can feel slightly fuzzy.
Strong Earthy Aroma	Emits a pungent, sulfurous smell while cooking that signals its high glucosinolate content.
Biennial Growth	Completes its life cycle over two years, bolting to flower and seed in the second year if left unharvested.
Low Calorie Density	Provides roughly 29 calories per cooked cup, making it a high-volume food for weight management.
Mild Bitterness	Contains glucosinolates that impart a slight bitter note, which balances well with acidic or fatty seasonings.

Common Examples of Turnip Greens

Seven Top - A variety grown exclusively for its leafy tops, producing no usable root bulb, bred purely for greens.
Purple Top White Globe - The classic dual-purpose type, yielding both a tender root and abundant, flavorful leaves.
Alamo - A hybrid selected for smooth, dark green leaves that resist bolting in warmer spring weather.
Topper - A specialty cultivar with upright growth, making mechanical harvesting easier for commercial growers.
Shogoin - A Japanese heirloom with large, mild-flavored leaves that stay tender even at full maturity.
All Top - A fast-growing hybrid that produces heavy yields of uniform, broad leaves within 40 days.
Baby Leaf Mix - Young turnip greens harvested at 21 days, sold as salad greens with a milder peppery kick.
Frozen Chopped Turnip Greens - Commercially blanched and bagged, offering year-round convenience without seasonal limits.
Canned Turnip Greens - Pre-cooked and shelf-stable, commonly seasoned with pork fat, ready for quick reheating.
Turnip Green Microgreens - Sprouts harvested at 10-14 days, used as a delicate garnish with intense, concentrated flavor.

Advantages and Limitations of Turnip Greens

Advantages	Limitations
Matures in 40 days, giving gardeners a fast harvest before summer heat arrives.	Wilts and spoils within 3-5 days in the refrigerator, requiring quick consumption after purchase.
Thrives in cool weather, providing fresh greens in early spring and late fall when other crops fail.	Bolts rapidly and turns bitter when temperatures exceed 80°F, making summer cultivation nearly impossible.
One cup of cooked greens delivers over 400% of daily vitamin K needs for bone health.	Contains oxalates that can contribute to kidney stone formation in susceptible individuals.
Requires only 29 calories per cooked cup, offering high satiety for weight loss diets.	Strong sulfur odor during cooking can permeate the entire house and linger for hours.
Grows in poor soil conditions where many other leafy vegetables struggle to survive.	Hairy leaf texture can be gritty or unpleasant when eaten raw without thorough washing.
Provides a peppery, complex flavor that stands up to bold seasonings like vinegar and hot sauce.	Raw leaves contain goitrogens that may interfere with thyroid function when eaten in large quantities.
Produces two crops from one planting, offering both edible roots and nutritious leaves.	Leaves are highly perishable and lose significant vitamin C content within 24 hours of harvest.
Survives light frosts, and cold exposure naturally converts starches to sugars for a sweeter taste.	Requires long, slow cooking of 45-60 minutes to break down tough fibers, unlike quicker spinach.
Offers a budget-friendly green that yields multiple harvests from successive sowings.	Attracts flea beetles and aphids, which can riddle leaves with holes and reduce visual appeal.
Contains high levels of lutein and zeaxanthin, supporting eye health against age-related degeneration.	Strong bitter compounds can overwhelm palates unaccustomed to assertive, pungent leafy vegetables.

Similarities Between Collard Greens and Turnip Greens

Shared Aspect	How Collard Greens and Turnip Greens Are Alike
Plant Family	Collard greens and turnip greens are both true members of the Brassica oleracea species group.
Growing Season	Collard greens and turnip greens both thrive as cool-weather crops in spring and autumn.
Edible Leaves	Collard greens and turnip greens are both grown primarily for their large, harvestable leafy tops.
Nutritional Density	Collard greens and turnip greens both deliver high levels of vitamin K per cooked serving.
Vitamin A Source	Collard greens and turnip greens both supply abundant beta-carotene for vitamin A needs.
Fiber Content	Collard greens and turnip greens both provide substantial dietary fiber that supports digestion.
Calorie Profile	Collard greens and turnip greens both remain low-calorie foods suitable for weight management plans.
Southern Cuisine	Collard greens and turnip greens both anchor traditional Southern soul food side dishes.
Smoked Meat Pairing	Collard greens and turnip greens both cook traditionally with smoked pork for flavor.
Pepper Heat	Collard greens and turnip greens both commonly receive crushed red pepper flakes during cooking.
Vinegar Finish	Collard greens and turnip greens both benefit from a splash of apple cider vinegar.
Potlikker Broth	Collard greens and turnip greens both produce a nutrient-rich cooking liquid called potlikker.
Long Simmering	Collard greens and turnip greens both require slow, prolonged cooking to tenderize tough leaves.
Harvest Method	Collard greens and turnip greens both allow repeated leaf picking without killing the plant.
Frost Tolerance	Collard greens and turnip greens both improve in sweetness after exposure to light frosts.
Soil Preference	Collard greens and turnip greens both grow best in fertile, well-drained loamy garden soil.
Water Needs	Collard greens and turnip greens both need consistent moisture to prevent leaves from turning bitter.
Full Sun Growth	Collard greens and turnip greens both produce their best yields in full sun locations.
Fast Maturity	Collard greens and turnip greens both reach harvestable size in roughly two months from seeding.
Container Suitability	Collard greens and turnip greens both grow successfully in deep pots on patios.
Pest Susceptibility	Collard greens and turnip greens both attract cabbage worms and aphids equally.
Harvest Window	Collard greens and turnip greens both offer a long picking period extending over many weeks.
Freezer Storage	Collard greens and turnip greens both blanch and freeze well for off-season use.
Washing Requirement	Collard greens and turnip greens both demand thorough rinsing to remove grit and soil.
Stem Removal	Collard greens and turnip greens both require stripping tough central stems before cooking.
Cost Value	Collard greens and turnip greens both rank among the most inexpensive leafy vegetables per pound.
Antioxidant Load	Collard greens and turnip greens both contain antioxidants that combat cellular oxidative stress.
Calcium Availability	Collard greens and turnip greens both offer plant-based calcium for bone health support.
New Year Tradition	Collard greens and turnip greens both appear on Southern tables for New Year's luck.
Versatile Cooking	Collard greens and turnip greens both work well sautéed, braised, or added to soups.

Collard Greens or Turnip Greens: Which Should You Choose?

The deciding variable is cooking time. Choose collard greens for long, slow braising that softens tough leaves. Choose turnip greens for quick sautés and a peppery bite. Your available time and preferred texture settle the choice for most home cooks.

When to Use Collard Greens

Choose Collard Greens when you plan to simmer for 45 minutes or longer or want a sturdy side that holds its shape. They suit big-batch cooking, holiday hams, and freezer meal prep. Their mild, smoky flavor absorbs pork or broth seasonings exceptionally well.

When to Use Turnip Greens

Choose Turnip Greens when you need dinner ready in under 15 minutes or crave a sharp, peppery finish. They excel in quick stir-fries, pasta tosses, and soups added at the last minute. Their tender leaves wilt fast, making them ideal for weeknight speed.

Common Misconceptions About Collard Greens and Turnip Greens

Common Myth	The Reality
Collard greens and turnip greens are the exact same plant.	Collard greens and turnip greens are different species; collards are Brassica oleracea, while turnip greens are Brassica rapa.
Turnip greens always have a turnip bulb attached to them.	Turnip greens are the leaves of the turnip plant, but the bulb forms only in certain varieties and growing conditions.
Collard greens taste exactly like turnip greens with no difference.	Collard greens have a mild, earthy flavor, while turnip greens taste distinctly peppery and sharp, similar to mustard greens.
You can swap collard greens and turnip greens in any recipe without changing the dish.	Swapping them changes the dish because turnip greens cook faster and add heat, while collard greens need longer cooking and stay mild.
Collard greens are just a Southern American vegetable with no global history.	Collard greens trace back to ancient Greece and Rome, and they are cultivated widely across Africa, Brazil, and Portugal today.
Turnip greens are a modern hybrid created by farmers recently.	Turnip greens have been eaten for thousands of years, with turnips cultivated in Europe and Asia since prehistoric times.
Collard greens and turnip greens have identical nutritional profiles.	Turnip greens contain more vitamin C per cup, while collard greens provide more vitamin K and calcium per serving.
Both collard greens and turnip greens must be boiled for hours to be safe to eat.	Both greens are safe raw, but cooking reduces bitterness; turnip greens need only 5-10 minutes, while collard greens need 45-60 minutes.
Turnip greens are always more bitter than collard greens in every dish.	Turnip greens are naturally peppery and bitter, but young, small turnip leaves are actually quite sweet and mild.
Collard greens and turnip greens belong to the same plant family, so they are identical.	Both are Brassica family members, but collard greens are a cabbage type, while turnip greens are a root-crop green.
You cannot grow collard greens in cold weather because they will die.	Collard greens tolerate frost extremely well, and cold temperatures actually improve their sweetness and flavor significantly.
Turnip greens are only available in the spring and never in winter.	Turnip greens grow in cool weather, and many gardeners harvest them successfully in early spring and late fall.
Collard greens have no stem, and the entire leaf is edible raw.	Collard greens have thick, tough central stems that are edible but fibrous, so most cooks remove the stems before cooking.
Turnip greens are a type of spinach with a different name.	Turnip greens are not spinach; spinach is a different species, and turnip greens have a sharper, more pungent bite than spinach.
Collard greens are always dark green, and turnip greens are always light green.	Both collard greens and turnip greens vary in color from pale green to deep blue-green depending on variety and maturity.
Eating turnip greens raw gives you the same flavor as eating collard greens raw.	Raw turnip greens are intensely peppery and spicy, while raw collard greens are mild, grassy, and slightly cabbage-like.
Collard greens are the same as kale, just with a different name.	Collard greens and kale are different cultivars; collard greens have smooth, flat leaves, while kale has curly or ruffled leaves.
Turnip greens have no nutritional value compared to the turnip root.	Turnip greens contain significantly more calcium, vitamin K, and vitamin A than the turnip bulb itself.
Collard greens require sandy soil and cannot grow in clay or loam.	Collard greens grow well in loamy, well-drained soil, and they tolerate clay if it is amended with organic matter.
Turnip greens are always sold with the roots attached in grocery stores.	Most grocery stores sell turnip greens as cut leaves without the bulb, and the roots are often sold separately.
Collard greens and turnip greens have the same cooking time when boiled.	Turnip greens cook in about 5-10 minutes, while collard greens require 45-60 minutes of simmering to become tender.
Collard greens are a genetically modified crop created in laboratories.	Collard greens are an ancient heirloom vegetable developed through traditional selective breeding over centuries, not genetic modification.
Turnip greens are only used in Southern soul food cooking.	Turnip greens are used globally in Indian, Japanese, Italian, and African cuisines, including stir-fries, soups, and sautés.
Collard greens have zero carbohydrates, making them a keto-free food.	Cooked collard greens contain about 5 grams of carbohydrates per cup, which still fits into most low-carb diets.
Turnip greens are poisonous if eaten raw in large amounts.	Turnip greens are safe raw, but they contain oxalates, so people with kidney issues should eat them cooked and in moderation.
Collard greens and turnip greens cannot be frozen for later use.	Both collard greens and turnip greens freeze well after blanching, retaining their nutrients and flavor for up to 12 months.
Turnip greens are always smooth, and collard greens are always wrinkled.	Turnip greens have slightly lobed, smooth leaves, while collard greens are broad, flat, and sometimes have a waxy, blue-green surface.
Collard greens are a poor source of protein for plant-based diets.	Cooked collard greens provide about 4 grams of protein per cup, which is notable for a leafy green vegetable.
Turnip greens are too bitter to eat without adding sugar or honey.	Turnip greens become mild and sweet when cooked with a splash of vinegar or bacon, and young leaves need no sweetener.
Collard greens and turnip greens are interchangeable in terms of oxalate content.	Turnip greens contain higher oxalate levels than collard greens, so individuals prone to kidney stones should prioritize collard greens.

Conclusion

Difference Between Collard Greens and Turnip Greens comes down to flavor and texture. Collard greens offer a milder, earthier taste with sturdy, smooth leaves. Turnip greens deliver a peppery, sharper bite with tender, slightly fuzzy leaves. Choose collard greens for slow-cooked, hearty dishes. Choose turnip greens for quick sautés or when you want a spicy kick.

## FAQ ### What is the main difference between collard greens and turnip greens? The main difference is flavor and texture: collard greens have a mild, earthy taste with thick, sturdy leaves, while turnip greens are peppery and spicy with thinner, more tender leaves that cook faster. ### Are collard greens or turnip greens healthier for you? Turnip greens are slightly healthier per cup because they contain more calcium, iron, and vitamin C, but collard greens provide significantly more vitamin K and vitamin A, so both are excellent nutrient-dense choices. ### Which greens are better for slow cooking, collards or turnips? Collard greens are better for slow cooking because their thick, leathery leaves hold up to long simmering without turning mushy, whereas turnip greens become soft and lose their texture after just 20 to 30 minutes of cooking. ### Are turnip greens more expensive than collard greens? Turnip greens are typically slightly more expensive than collard greens because they are harvested earlier and have a shorter shelf life, while collards are sturdier, easier to transport, and often sold in larger, cheaper bunches. ### Can you eat collard greens and turnip greens raw? Yes, you can eat both raw, but collard greens are tough and bitter unless massaged with oil or acid, while turnip greens are tender enough to use fresh in salads, though cooking reduces their sharp peppery bite. ### What is the most common beginner mistake when cooking these greens? The most common beginner mistake is overcooking turnip greens or undercooking collard greens, which ruins both textures, so cook collards for at least 45 minutes but stop cooking turnips once they turn bright green and tender. ### Can I substitute turnip greens for collard greens in a recipe? Yes, you can substitute turnip greens for collard greens, but reduce the cooking time by half and expect a spicier, more peppery final dish, so add them later in the pot to avoid them disintegrating. ### Do collard greens and turnip greens come from the same plant? No, they come from different plants: collard greens are a leafy form of the cabbage species Brassica oleracea, while turnip greens are the edible tops of the turnip root vegetable, Brassica rapa, making them distinct botanical varieties. ### Which green is best for a traditional Southern New Year's Day meal? Collard greens are the traditional choice for New Year's Day because their large, dollar-bill-shaped leaves symbolize wealth and prosperity, though many Southern cooks mix in turnip greens for added peppery flavor and extra luck. ### Can I switch from cooking collard greens to turnip greens without changing my recipe? You can switch, but you must cut the cooking time by more than half and reduce the liquid, because turnip greens wilt down to nearly half their volume in minutes, while collards require long simmering to become tender.