Orange Cauliflower vs. White Cauliflower

Written by Cammi Morgan
Published: November 22, 2022
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Are you a fan of brassica vegetables? If so, you might regularly use cauliflower in a variety of your recipes.

Indeed, you’re likely familiar with the creamy white cauliflower found in most stores. What some may not know is that cauliflower is available in a variety of colors, including orange.

This guide will discuss the similarities and overlaps between orange cauliflower and white cauliflower. Furthermore, we’ll cover their plant classification, physical characteristics, origins and ideal growing conditions, nutritional facts and culinary uses.

So, without further ado, let’s discuss this widely popular vegetable!

Orange Cauliflower vs. White Cauliflower: A Quick Look

Orange CauliflowerWhite Cauliflower
Plant ClassificationBrassica oleracea var. botrytisBrassica oleracea var. botrytis
Physical CharacteristicsAnnual or biennial vegetable that typically grows between 1-2 feet tall at maturity. Leaves are broad, simple, alternately arranged, and rounded. The leaves are wavy along the margin but not divided. The edible head comprises tiny, orange undeveloped flowers (florets) and is ready to harvest at 6-9 inches across. Produces tiny yellow flowers that form from upright, flexible stalks.Annual or biennial vegetable that typically grows between 1-2 feet tall at maturity. Leaves are broad, simple, alternately arranged, and rounded. The leaves are wavy along the margin but not divided. The edible head comprises tiny, white undeveloped flowers (florets) and is ready to harvest at 6-9 inches across. Produces tiny yellow flowers that form from upright, flexible stalks.
Origin and Ideal Growing ConditionsCultivated by humans and descends from a wild ornamental cabbage that likely originated in Western Asia. Orange cauliflowers are a natural genetic mutation of white cauliflower in which beta carotene in the plant produces the orange color. Prefers to grow in fertile, loamy, well-draining soil. Requires full sun. Thrives in USDA hardiness zones 2a-11b.

Cultivated by humans and descends from a wild ornamental cabbage that likely originated in Western Asia. Prefers to grow in fertile, loamy, well-draining soil. Requires full sun. Thrives in USDA hardiness zones 2a-11b.
Nutritional Facts and Culinary UsesGood source of vitamins B9, B5, and B6. Excellent source of vitamin A. Beta carotene gives orange cauliflower 25 times more vitamin A than white cauliflower. Can be steamed, boiled, baked, grilled, breaded, and fried. Great for use in salads, soups, purees, stews, as a side dish, and as a meat substitute. Used in dishes around the world. Orange cauliflower is particularly popular for its vivid color and used to brighten up dishes and add color contrasts.Good source of vitamins B9, B5, and B6. Excellent source of vitamin A. Can be steamed, boiled, baked, grilled, breaded, and fried. Great for use in salads, soups, purees, stews, as a side dish, and as a meat substitute. Used in dishes around the world.

Plant Classification

Regarding their scientific classifications, both white and orange cauliflower are members of the same genus, species, and variety. Indeed, they differ by a genetic mutation that gives orange cauliflower its color. As such, both orange and white cauliflower belong to the  Brassica oleracea var. botrytis.

Other oleracea species include other common vegetables, such as broccoli, Brussel sprouts, kale, and cabbage. All of these vegetables belong to the Brassicaceae family.

Orange Cauliflower vs. White Cauliflower: Physical Characteristics

Orange Cauliflower vs. White Cauliflower

Both white and orange cauliflower are cultivated plants, they descend from wild cabbage.

©iStock.com/Tim UR

Regarding their physical characteristics, distinguishing orange and white cauliflower plants is only possible once the head forms on the plant. So, at that point, you’ll be able to discern the two by the color of the cauliflower head.

So, both plants typically grow between 1-2 feet tall at maturity. They have broad, flat, rounded leaves wavy along the margin, which aren’t divided. The leaves are large and can grow 12 inches across and up to 2 feet long.

Also, the heads of the cauliflower form basally in the center of the plant and tend to reach 6-9 inches across, finally, on both plants, tiny, yellow flowers from upright, flexible stalks.

Origin and Ideal Growing Conditions

While both white and orange cauliflower are cultivated plants, they descend from a wild ancestor, wild cabbage. Botanists believe wild cabbage originates from Western Asia and has since spread and become domesticated worldwide. The origin of cauliflower cultivation is likely the Northeastern Mediterranean region, where it began to spread in the Middle Ages.

The story of cultivated orange cauliflower is much younger than its white counterpart. In 1970, the first cultivated orange cauliflower appeared in a Canadian farmer’s field near Toronto. So, this orange cauliflower naturally occurred through a random mutation. The result was an orange cauliflower with high amounts of beta carotene, a beneficial compound that gives the cauliflower its vivid orange color and that our bodies use to produce vitamin A.

As you might have guessed, white and orange cauliflower prefer the same growing conditions. Indeed, they both prefer fertile, moist, loamy, well-draining soil and full sun.

Depending on the cultivar, the cauliflower heads are ready to harvest within 50-100 days. As hardy and adaptable plants, they can thrive in USDA hardiness zones 2a-11b.

Orange Cauliflower vs. White Cauliflower: Nutritional Facts and Culinary Uses

Orange Cauliflower vs. White Cauliflower.

Both orange and white cauliflower are 

excellent sources of Vitamin A, B5, B6, and B9

.

©Brent Hofacker/Shutterstock.com

Nutritionally, white and orange cauliflower have similar nutrient profiles except in their vitamin A percentages. Due to its concentration of beta-carotene, orange cauliflower contains 25 times more vitamin A than white cauliflower.

Both orange and white cauliflower are excellent sources of Vitamin A, B5, B6, and B9.

So, regarding edibility, people tend to eat cauliflower heads and leaves. Indeed, they can be prepared raw in salads and as side dishes or cooked by grilling, baking, pan-frying, and steaming. They are popular in soups, stews, salads, pickling, and purees.

Cauliflower heads are also a popular meat substitute, and you can use them in various vegan dishes as meat alternatives. For example, some people add them into vegan burger mixes or bread and fry them as a vegan “chicken” sandwich.

While people prepare and cook orange and white cauliflower the same, some prefer to use orange cauliflower as a colorful addition to a dish. People love how they keep their lovely vivid color even after being cooked.

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The photo featured at the top of this post is © Brent Hofacker/Shutterstock.com


Sources

  1. North Carolina Extension Garderner, Available here: https://plants.ces.ncsu.edu/plants/brassica-oleracea-botrytis-group/
  2. Nutritional Value, Available here: https://www.nutritionvalue.org/Cauliflower%2C_raw_nutritional_value.html
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About the Author

Cammi Morgan is a writer at A-Z Animals where her primary focus is on mycology, marine animals, forest and river ecology, and dogs. Cammi has been volunteering in animal rescue for over 10 years, and has been studying mycology and field-researching mushrooms for the past 3 years. A resident of Southeast Appalachia, Cammi loves her off-grid life where she shares 20 acres with her landmates, foster dogs, and all the plants, fungi, and critters of the forest.

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