What Is Butterfly Pea Tea? Butterfly Pea Flower & Clitoria ternatea Explained

If you have ever seen a vivid blue tea, latte, lemonade, or mocktail turn purple after a squeeze of lemon, you may have been looking at butterfly pea tea. This distinctive drink is made from the flowers of Clitoria ternatea, a tropical flowering plant used in foods and beverages across parts of Asia.

Pure butterfly pea tea is naturally caffeine-free. It has a mild, earthy flavor, produces a rich blue color in hot water, and can shift toward violet or pink when acidic ingredients such as lemon or lime are added.

This guide explains the plant, its color-changing properties, flavor, common product formats, and culinary uses. The focus is on the botanical, beverage, and food characteristics of butterfly pea rather than evaluating health benefits or therapeutic effects.

What Is Butterfly Pea Tea?

During steeping, naturally occurring pigments move from the flowers into the water. Depending on flower quantity, steeping conditions, water composition, and other ingredients, the finished drink can range from pale blue to a deep blue or rich blue color.

Add lemon, lime, or another acidic ingredient and that color can move toward violet, purple, or pink.

Butterfly pea tea can be served hot or cold and is also used in lemonade, mocktails, lattes, rice, desserts, baked goods, and other recipes where its natural color is part of the appeal.

For tea drinkers comparing different tea types, butterfly pea is different from many other teas because the infusion is prepared from flowers rather than leaves of the traditional tea plant.

The Butterfly Pea Flower and Plant (Clitoria ternatea)

The butterfly pea plant's scientific name is Clitoria ternatea. It belongs to the Fabaceae, or legume, family and grows as a climbing perennial.

The plant is now grown across many tropical and subtropical regions and has become particularly associated with food and beverage uses in parts of Southeast Asia.

Butterfly pea is especially recognizable for its blue flowers. Other flower colors and cultivars exist, but blue-flowering forms are widely used for herbal drinks, natural coloring, and cooking.

The flowers can be dried and stored for later use. For tea, whole dried flowers are commonly steeped and then removed or strained before serving.

The blue pigments occur within the flower tissue, including the petals, but a whole-flower tea does not require the petals to be separated first.

As one product example, PUREXA Organic Butterfly Pea Tea contains whole dried organic Clitoria ternatea flowers sourced from Northeast Thailand.

Other Names for Butterfly Pea

Depending on the region or context, you may see names such as:

• Blue pea
• Asian pigeonwings
• Butterfly pea flower
• Bluebellvine
• Aparajita in some South Asian contexts

For tea and culinary use, butterfly pea and butterfly pea flower are generally the clearest terms.

Butterfly Pea Tea vs. Butterfly Pea Flower Tea: Are They the Same?

In most food and beverage contexts, yes. Butterfly pea tea and butterfly pea flower tea usually refer to an infusion made from Clitoria ternatea flowers.

Other names may include:

• Butterfly pea flower tea
• Pea flower tea
• Blue pea tea
• Blue tea
• Butterfly tea

“Blue tea” is less precise because it can also describe blends that happen to produce a blue-colored drink.

Products sold under butterfly pea names may contain whole flowers, broken flowers, powder, tea-bag material, or blends with other herbs or tea leaves. Checking the ingredient list is the easiest way to see exactly what you are buying.

Whole dried flowers are also commonly sold in a loose tea format, even though butterfly pea is technically an herbal infusion rather than a traditional tea type.

A blend that contains green tea, black tea, white tea, oolong tea, yerba mate, or another caffeinated ingredient will not necessarily be caffeine-free.

Why Is Butterfly Pea Tea Naturally Blue?

The characteristic blue color comes from naturally occurring plant pigments in Clitoria ternatea flowers.

Among the most important are anthocyanins known as ternatins. Research into anthocyanins in butterfly pea flowers identifies ternatins as important contributors to the flower's distinctive blue coloration and examines their use as natural food colorants.

When the dried flowers steep in hot water, water-soluble pigments move into the infusion and gradually create the familiar blue appearance.

Depending on concentration and brewing conditions, the shade may range from pale blue to a deep, vibrant blue color. This beautiful color is one reason butterfly pea has also been used as a natural dye and natural food coloring ingredient.

A single-ingredient infusion made from naturally blue Clitoria ternatea flowers does not require artificial colors to produce its characteristic appearance.

What Affects the Shade of Blue?

The exact color can vary from cup to cup.

• Flower quantity: More flower material usually creates a deeper-looking infusion.
• Steeping time: Longer contact with water can intensify the color.
• Water temperature: Temperature influences extraction.
• Water composition: Mineral content and pH can affect the visible shade.
• Other ingredients: Citrus, hibiscus, milk, herbs, and other additions can alter the final appearance.

A lighter sky blue and a darker, more vibrant blue infusion can both be normal results.

Why Does Butterfly Pea Tea Turn Purple With Lemon?

Butterfly pea pigments respond to changes in pH.

The University of Florida's IFAS Extension explains that butterfly pea flower pigments can shift color as pH changes. Adding a mild acid such as lemon or lime juice can move the appearance away from blue and toward purple or pink.

When lemon juice, lime juice, or another acidic ingredient is added, the acidity of the drink increases. The pigments respond to that chemical environment, changing the color you see.

A blue infusion may shift toward:

• Violet
• Purple
• Magenta
• Pink

How far the color moves depends on the starting infusion and the amount of acidic ingredient added.

Examples of the Butterfly Pea Color Change

• Blue butterfly pea tea + lemon → violet or purple
• Blue butterfly pea tea + lime → purple
• Butterfly pea infusion + lemonade → purple to pink
• Butterfly pea + acidic hibiscus drink → red-purple tones
• Butterfly pea ice cubes + citrus drink → gradual color change as the ice melts

Hibiscus adds acidity as well as its own bright red color, so combining it with butterfly pea can create purple, magenta, or red-purple shades.

This visible reaction is one reason butterfly pea is popular in lemonades, mocktails, and other colorful drinks.

Does Butterfly Pea Tea Have Caffeine?

A single-ingredient butterfly pea flower infusion is naturally caffeine-free because it is made from Clitoria ternatea flowers rather than caffeinated tea leaves from Camellia sinensis.

For tea drinkers comparing products, that makes pure butterfly pea a naturally caffeine-free tea or herbal infusion.

This is different from decaf tea. Decaffeinated tea starts with an ingredient that naturally contains caffeine and then undergoes processing to remove most of it.

Butterfly pea flowers do not require that process.

A blend can still contain caffeine if it includes ingredients such as:

• Green tea
• Black tea
• White tea
• Oolong tea
• Yerba mate

If the ingredient list contains only butterfly pea flower or Clitoria ternatea flower, it is a naturally caffeine-free product.

What Does Butterfly Pea Tea Taste Like?

Butterfly pea tea generally has a mild taste and earthy flavor with subtle vegetal notes.

For tea drinkers accustomed to stronger herbal blends or other teas, butterfly pea may seem especially mild. It generally has a light body and subtle aroma rather than pronounced bitterness or astringency.

Because the flavor is relatively neutral, butterfly pea works well in drinks where citrus, fruit, herbs, spices, sweeteners, or milk provide much of the final taste.

Common pairings include:

• Lemon
• Lime
• Passion fruit
• Mint
• Lemongrass
• Ginger
• Honey
• Sugar or simple syrup
• Coconut milk
• Oat milk
• Regular milk

Butterfly pea also pairs easily with other herbs and aromatic ingredients such as mint, lemongrass, ginger, citrus peel, and lemon peel.

Citrus changes both the flavor and the color, adding acidity while shifting the infusion toward purple or pink.

Flower quantity, water, brewing method, storage, and added ingredients can all influence the final taste.

Forms of Butterfly Pea: Whole Flowers, Powder, Tea Bags, Extracts, and Blends

Whole Dried Butterfly Pea Flowers

Whole dried flowers retain the recognizable shape of the original botanical material.

They can be steeped directly in hot water or placed in an infuser, then removed before serving.

Whole flowers are commonly sold as loose tea and appeal to people who prefer to see the ingredient they are brewing. A fine mesh strainer can help remove flower material from the finished tea.

Butterfly Pea Powder

Butterfly pea powder is dried flower material ground into a fine powder.

Depending on the product, it may be mixed directly into foods or drinks rather than steeped and removed.

Common uses include:

• Lattes
• Smoothies
• Baking
• Desserts
• Culinary coloring

Because powders can vary in concentration and intended use, follow the manufacturer's directions.

Butterfly Pea Tea Bags

Tea bags or sachets offer a pre-portioned format.

They may contain butterfly pea alone or a blend with other botanical or tea ingredients. Check the ingredient list if caffeine or added flavors matter to you.

Butterfly Pea Extracts and Concentrates

Liquid extracts and concentrates are formulated differently from a traditional whole-flower infusion.

They may be used in cafés, beverages, food preparation, or larger-scale culinary applications, with concentration varying by product.

Butterfly Pea Blends

Butterfly pea is also combined with herbs, fruit, spices, traditional tea leaves, and flavorings.

Common additions include lemongrass, mint, ginger, citrus, lemon peel, and fruit.

A blend can taste very different from plain butterfly pea flower tea and may contain caffeine if traditional tea leaves are included.

How Is Butterfly Pea Tea Typically Brewed?

The basic method is simple: steep dried butterfly pea flowers in hot water, then remove or strain the flowers.

The amount of flower, water temperature, and steeping time can vary by product, so use the directions supplied with the tea as your starting point.

As the flowers steep, the water gradually turns blue.

The finished tea can be:

• Served warm
• Cooled and served over ice
• Combined with lemon or lime
• Used as a base for lemonade or mocktails
• Added to culinary recipes for natural color

When whole flowers are brewed loose, a fine mesh strainer can make serving easier.

At its simplest, butterfly pea tea is a flower infusion rather than an instant drink that needs to dissolve.

Culinary Uses of Butterfly Pea Flower

Butterfly pea flower is useful well beyond a cup of tea.

Its mild flavor and vibrant blue color make it especially adaptable in foods and drinks where a naturally derived blue or purple appearance is desirable. Scientific literature has also examined butterfly pea pigments as natural blue colorants in food applications.

Drinks

Common applications include:

• Hot butterfly pea tea
• Iced butterfly pea tea
• Butterfly pea lemonade
• Color-changing mocktails
• Zero-proof drinks
• Butterfly pea lattes
• Fruit drinks
• Herbal blends
• Butterfly pea ice cubes

Citrus is especially popular because it adds flavor and triggers the visible blue-to-purple shift.

Butterfly pea also pairs well with mint, lemongrass, ginger, honey, passion fruit, and milk.

Rice and Savory Foods

Butterfly pea has a documented culinary association with colored rice and other foods in parts of Asia. Research has evaluated butterfly pea as a natural blue colorant for rice.

The blue infusion can be incorporated into rice or dough to provide natural color.

Examples include:

• Blue rice
• Glutinous rice
• Dumpling or pastry dough
• Other colored dishes

Desserts and Baked Goods

Butterfly pea may also be used in:

• Cakes
• Pancakes
• Bread
• Puddings
• Jelly or agar desserts
• Frozen desserts
• Popsicles

The shade depends partly on the recipe's pH, so butterfly pea may appear blue in one preparation and purple or pink in another.

Butterfly Pea Tea and Its Roots in Southeast Asian Food Culture

Butterfly pea flowers have a long culinary presence in parts of Southeast Asia.

Reviews of butterfly pea anthocyanins note use of the flowers and their extracts in foods and beverages in countries including Thailand and Malaysia. The flower is used both as an ingredient and as a source of natural color.

In Thailand, butterfly pea is known as anchan and is used in beverages and food. Butterfly pea is also associated with naturally blue rice and desserts in Malaysian and neighboring food traditions.

Examples include:

• Thai butterfly pea drinks
• Blue rice dishes
• Glutinous rice
• Kuih and other Southeast Asian sweets
• Naturally colored desserts
• Botanical beverages

The plant also appears in historical traditional medicine and cultural contexts in parts of Asia. Those uses are part of its history, but they do not establish that drinking butterfly pea tea produces a clinical effect.

Here, butterfly pea is best understood as a botanical ingredient, herbal drink, natural dye, and culinary coloring ingredient.

How to Choose Butterfly Pea Tea

A few label details can tell you much more than broad claims about “potency” or “benefits.”

Check the Ingredient

For a single-ingredient tea, look for butterfly pea flower or Clitoria ternatea.

Blends may contain other herbs, fruit, flavorings, sweeteners, or traditional tea leaves.

Check the Format

Butterfly pea may be sold as:

• Whole dried flowers
• Loose tea
• Powder
• Tea bags
• Extract
• Concentrate
• Herbal blend

Choose the format that matches how you plan to prepare or use it.

Look for the Botanical Name

The scientific name, Clitoria ternatea, provides a more precise identification than broad names such as “blue tea.”

Review Origin and Certification

Some brands identify where the flowers were sourced, which can provide useful traceability.

If organic production matters to you, look for recognized certification rather than relying only on general marketing language. Organic certification describes production standards; it is not a measure of medical potency.

Check Added Ingredients and Storage Guidance

Pure butterfly pea flowers naturally create a blue infusion, so check the ingredient list if you want a product without added colors, flavors, or sweeteners.

Dried flowers should also be protected from unnecessary moisture, heat, and strong odors. Follow the manufacturer's storage directions and keep the package properly closed.

If you want to compare butterfly pea with other botanical options, browse PUREXA's organic herbal teas and botanical infusions.

Frequently Asked Questions About Butterfly Pea Tea

Is butterfly pea tea the same as blue tea?

Often, but not always. “Blue tea” can also describe blends, so check the ingredient list if you specifically want Clitoria ternatea flower tea.

Is butterfly pea tea naturally blue?

Yes. Naturally blue Clitoria ternatea flowers release pigments into the water during steeping, creating the characteristic blue infusion without requiring artificial blue coloring in a single-ingredient tea.

Why does butterfly pea tea turn purple?

Its pigments respond to changes in pH. Lemon, lime, and other acidic ingredients can shift the color from blue toward violet, purple, or pink.

Does butterfly pea tea contain caffeine?

Pure butterfly pea flower tea is naturally caffeine-free. Blends may contain caffeine if traditional tea or another caffeinated ingredient is added.

What does butterfly pea tea taste like?

It generally has a mild taste and earthy flavor with a light body and subtle aroma. Its neutral flavor makes it easy to pair with citrus, mint, lemongrass, ginger, fruit, honey, or milk.

Is butterfly pea tea the same as traditional tea?

No. Black, green, white, and oolong teas come from Camellia sinensis. Butterfly pea tea is made from Clitoria ternatea flowers and is technically an herbal infusion.

Can butterfly pea tea be served cold?

Yes. Brew and strain the tea, allow it to cool, and serve it chilled or over ice.

Can butterfly pea flower be used as natural food coloring?

Yes. Its natural blue pigments are used in drinks and foods. Butterfly pea has also been studied as a natural dye and natural food colorant. Depending on the recipe's pH, the resulting shade may appear blue, violet, purple, or pink.

Butterfly Pea Tea in Summary

Butterfly pea tea is an infusion made from Clitoria ternatea flowers, known for its mild taste, earthy flavor, and naturally vivid blue color.

Its pH-sensitive pigments can turn the drink purple or pink when citrus is added, which has made the flower useful in teas, lemonades, mocktails, lattes, rice, desserts, and other culinary applications.

When choosing a product, check the botanical identity, ingredient list, and format rather than relying on the name “blue tea” alone. Whole flowers, loose tea, powder, tea bags, extracts, and blends can all be useful, but they are prepared and used differently.