
Hibiscus tea is difficult to mistake for anything else.
Drop dried hibiscus into hot water and the liquid quickly turns a brilliant ruby red. The flavor is equally distinctive: tart, fruity, refreshing, and often compared with cranberry.
Unlike black or green tea, hibiscus contains no traditional tea leaves and is naturally caffeine-free. It can be served steaming hot with honey, poured over ice with citrus, mixed with fruit, or turned into a sparkling summer drink.
Hibiscus also has a long history as both a food and traditional herbal preparation, and modern researchers have become particularly interested in its possible effects on blood pressure and other cardiovascular markers.
That research is promising in some areas, but hibiscus has also accumulated an exaggerated list of supposed benefits online. Claims that it “melts fat,” detoxifies the liver, cures high blood pressure, or prevents disease go well beyond what an ordinary cup of tea has been proven to do.
Here is a more useful look at hibiscus tea: what it is, what it tastes like, what the evidence says, how to brew it, and when a little extra caution is appropriate.
🌺 What Is Hibiscus Tea?
Hibiscus tea is an herbal infusion most commonly made from the fleshy red calyces of the plant widely known as Hibiscus sabdariffa, or roselle.
Although people commonly refer to these dried pieces as hibiscus “flowers,” the part normally used in commercial hibiscus tea is primarily the thickened red calyx surrounding the developing seed capsule rather than the large decorative petals.
When dried hibiscus is infused in water, natural pigments and organic acids give the drink its characteristic deep red color and tart flavor.
Because hibiscus does not come from Camellia sinensis, it is technically an herbal infusion, or tisane, rather than a true tea.
Explore more caffeine-free infusions in our Herbal Tea collection.
🌿 What Is Roselle?
Roselle is another common name for the plant used to make hibiscus tea.
You may encounter the same ingredient under names such as:
- Hibiscus
- Roselle
- Jamaica sorrel
- Red sorrel
- Karkadé or karkade
- Flor de Jamaica
Names vary enormously by region.
The plant is cultivated in tropical and subtropical areas, and its tart red calyces are used not only for beverages but also for foods such as syrups, jams, jellies, and sauces.
So when a package says “roselle tea” or lists Hibiscus sabdariffa, you are generally looking at the ingredient associated with familiar ruby-red hibiscus tea.
🍒 What Does Hibiscus Tea Taste Like?
Hibiscus has a naturally tart, fruity flavor.
Common comparisons include:
- Cranberry
- Sour cherry
- Pomegranate
- Red berries
- Tart fruit punch
The tea itself is not naturally sugary.
A strong infusion can actually be quite sour, which explains why many traditional hibiscus drinks are sweetened.
The strength of the tartness depends on how much hibiscus you use and how long you steep it.
If plain hibiscus seems too sharp, do not give up on it immediately. A small amount of honey or sugar can completely change the balance.
❤️ Why Is Hibiscus Tea So Red?
Hibiscus contains naturally occurring pigments called anthocyanins.
Anthocyanins are responsible for red, purple, and blue colors in many plant foods.
They contribute to the spectacular ruby-red color of hibiscus tea and are among the plant compounds that have attracted scientific interest.
Hibiscus also contains organic acids and other polyphenolic compounds.
These chemicals are interesting from a research perspective, but their presence should not be translated into exaggerated claims that hibiscus tea automatically prevents disease or “detoxifies” the body.
A beautiful red cup is still a cup of tea—not medicine in disguise.
☕ Does Hibiscus Tea Have Caffeine?
Plain hibiscus tea is naturally caffeine-free.
Hibiscus does not naturally contain the caffeine found in:
- Black tea
- Green tea
- White tea
- Oolong
- Matcha
- Coffee
- Yerba mate
That makes it especially useful when you want a flavorful drink without caffeine.
You can enjoy it in the evening, serve it to people avoiding caffeine, or use it as the base for an iced drink that will not add another stimulant to your day.
Always check blended teas, though.
A package labeled “hibiscus berry tea,” for example, could potentially contain black or green tea alongside the hibiscus.
🌿 What Are the Benefits of Hibiscus Tea?
Hibiscus is one herbal tea where there really is meaningful human research—but that still does not justify every health claim attached to it.
The most interesting evidence concerns blood pressure.
Researchers have also investigated hibiscus in relation to cholesterol, blood glucose, body weight, inflammation, and other metabolic markers.
Results vary by outcome, study population, dose, and preparation.
Another complication is that studies may use hibiscus tea, extracts, powders, or standardized preparations.
Those are not automatically equivalent.
A useful way to approach hibiscus is to separate reasonably supported research from attractive but unproven marketing claims.
❤️ Hibiscus Tea & Blood Pressure
Blood pressure is the area where hibiscus has received some of its strongest clinical attention.
Randomized trials and systematic reviews have found that Hibiscus sabdariffa preparations can reduce systolic and diastolic blood pressure in some adults, particularly people whose blood pressure is already elevated.
That makes hibiscus considerably more interesting than an herbal tea supported only by test-tube experiments.
But there are still important limitations.
Studies vary in the hibiscus preparations used, treatment periods are often relatively short, and research has not established hibiscus tea as a replacement for standard hypertension treatment.
If you have high blood pressure, drinking hibiscus may be something worth discussing with your health care provider.
It is not a reason to stop prescribed medication.
🩺 Can Hibiscus Replace Blood Pressure Medication?
No.
Even when research shows a measurable blood-pressure effect from hibiscus, that does not mean someone with hypertension should substitute tea for prescribed treatment.
High blood pressure can damage the heart, brain, kidneys, blood vessels, and other organs without causing obvious symptoms.
Treatment decisions should be based on proper blood-pressure monitoring and individual medical guidance.
Hibiscus can be a beverage.
Prescription medicine is medicine.
Those roles should not be casually swapped because an herbal tea produced an interesting result in a clinical trial.
⚠️ What If Your Blood Pressure Is Already Low?
The possibility that hibiscus can lower blood pressure also creates a safety consideration.
Someone who already has low blood pressure, experiences dizziness or fainting, or takes medication designed to lower blood pressure may want to be more cautious about consuming large amounts of hibiscus or concentrated hibiscus products.
An occasional cup is not identical to taking a concentrated supplement.
However, if hibiscus is something you plan to drink frequently for a therapeutic purpose, it makes sense to discuss that with the clinician or pharmacist managing your medications.
🧪 Hibiscus & Cholesterol
Studies have also investigated hibiscus for its possible effects on cholesterol and other blood lipids.
Results have been mixed.
Some analyses suggest improvements in measures such as total or LDL cholesterol, while other research has shown little or inconsistent effect.
More recent reviews continue to find potentially favorable cardiometabolic effects, but the evidence does not justify telling readers that hibiscus tea is a proven treatment for high cholesterol.
If cholesterol is a concern, dietary patterns, physical activity, tobacco avoidance, weight management where appropriate, and prescribed medication have much stronger roles.
A cup of hibiscus can fit alongside those measures without replacing them.
🍬 Hibiscus & Blood Sugar
Researchers have also studied Hibiscus sabdariffa in relation to fasting blood glucose and metabolic health.
Some trials and pooled analyses have reported small improvements in glucose-related markers.
Again, this does not make hibiscus tea a treatment for diabetes.
People taking glucose-lowering medication should be particularly cautious about using concentrated herbal products specifically to influence blood sugar without discussing them with their clinician.
Diabetes management requires reliable monitoring and evidence-based treatment.
Tea can be part of the diet without carrying the responsibility for controlling the disease.
⚖️ Does Hibiscus Tea Help With Weight Loss?
This is one of the claims that needs substantial downgrading.
Some research has investigated hibiscus extracts in relation to body weight and metabolic markers.
That is not the same thing as proving that an ordinary mug of hibiscus tea causes weight loss.
There is no good reason to market hibiscus tea as a “fat burner” or metabolism booster.
Unsweetened hibiscus tea contains very few calories, so replacing a high-calorie sugary beverage with plain hibiscus could reduce overall calorie intake.
That is a property of the substitution—not evidence that hibiscus itself melts body fat.
🍃 Does Hibiscus Detox the Liver?
“Liver detox” is another phrase best avoided.
Your liver already plays a central role in processing substances in the body.
Some laboratory and animal research has examined hibiscus compounds in relation to liver function and oxidative stress, and concentrated extracts have also been studied.
That research does not establish that a homemade cup of hibiscus tea cleanses, detoxifies, or repairs the human liver.
Very high doses of concentrated botanical products can have effects that bear little resemblance to drinking a normal herbal infusion.
If you have liver disease, seek appropriate medical advice rather than using a detox tea.
🧬 Does Hibiscus Prevent Cancer?
No good evidence establishes ordinary hibiscus tea as a cancer treatment or preventive therapy.
Researchers may study plant compounds in laboratory cells, and hibiscus is no exception.
Laboratory experiments can help identify compounds worth further investigation.
They cannot tell us that drinking the tea will have the same effect inside a human body.
Be especially cautious when a website takes a study involving isolated cells or concentrated extracts and turns it into a statement that “hibiscus fights cancer.”
That leap is not justified.
🌿 Hibiscus & Antioxidants
Hibiscus contains polyphenols, including anthocyanins, that have antioxidant properties.
This is perfectly reasonable to mention.
The problem comes when “contains antioxidants” gets turned into an unlimited list of promises about preventing disease, reversing aging, or eliminating toxins.
Plant foods throughout the diet provide a wide range of natural compounds.
You do not need to find one superfood or super-tea.
Enjoy hibiscus as one part of a varied diet rather than asking it to do everything.
💧 Is Hibiscus Tea Hydrating?
Yes.
Hibiscus tea is primarily water, so drinking it contributes to your fluid intake.
Its intense flavor can be especially helpful for someone who finds plain water uninteresting.
For a simple everyday drink, brew hibiscus, chill it, and keep a pitcher in the refrigerator.
You do not have to sweeten it heavily.
A little lemon, orange, mint, or sliced fruit can soften the tartness while keeping it refreshing.
🌺 How to Brew Hibiscus Tea
A basic cup requires only two ingredients.
Ingredients
- 1 tablespoon dried hibiscus
- 8 ounces freshly boiled water
Method
Place the dried hibiscus in a cup, infuser, or teapot.
Pour the hot water over it.
Cover and steep for approximately 5 to 10 minutes.
Strain.
Taste before adding sweetener.
For a lighter cup, use less hibiscus or shorten the steep.
For an intense ruby-red infusion, increase the amount rather than leaving a small quantity steeping indefinitely.
🌡️ Best Water Temperature for Hibiscus
Hibiscus handles very hot water well.
Freshly boiled water, around 200–212°F, is appropriate.
Unlike delicate Japanese green teas, hibiscus does not require a carefully lowered brewing temperature.
The bigger decisions are how much hibiscus you use and how tart you want the finished drink.
Visit our How to Brew Tea hub for brewing guidance across many different tea styles.
⏱️ How Long Should Hibiscus Tea Steep?
Start with 5 to 7 minutes.
A longer 10-minute steep creates a stronger, tarter cup.
Hibiscus is quite forgiving, but extremely strong infusions can become sharply acidic.
If that happens, dilute the tea with water rather than pouring in an enormous amount of sugar.
You can always increase the strength next time once you know your preference.
🍯 Hibiscus Tea With Honey
Honey softens the natural tartness beautifully.
Brew one cup of hibiscus, strain it, and stir in about 1 teaspoon of honey.
Taste before adding more.
Mild floral honey works especially well because it complements rather than overwhelms the fruit-like flavor.
For iced hibiscus, honey dissolves more easily while the tea is still warm.
🍋 Hibiscus Tea With Lemon
Hibiscus is already acidic, but a little lemon can make the flavor brighter rather than simply more sour.
Add a thin lemon slice or a small squeeze of juice.
For a larger pitcher, use lemon wheels as a garnish.
Orange and lime are also excellent.
The citrus oils from the peel add aroma that makes the drink feel more complex.
🍊 Hibiscus & Orange Tea
Orange is one of the best partners for hibiscus.
Add several strips of orange zest during steeping or place fresh orange slices in the cooled tea.
For a warming winter version, combine hibiscus with orange peel and cinnamon.
For summer, serve the orange-hibiscus blend over plenty of ice.
🫚 Hibiscus & Ginger Tea
Fresh ginger adds warmth to hibiscus’s sharp fruit flavor.
For one cup, add two or three thin slices of fresh ginger while the hibiscus steeps.
Strain everything together.
Sweeten lightly with honey if desired.
This combination works equally well hot or cold.
Explore our Ginger Tea collection for more ideas.
🌿 Hibiscus & Mint
Mint makes hibiscus especially refreshing.
Brew the hibiscus normally and allow it to cool.
Add fresh mint while serving.
For a stronger mint flavor, lightly bruise the leaves before adding them to the pitcher.
Avoid pulverizing the mint, which can introduce lots of small leaves into the drink and make the flavor harsher.
🌹 Hibiscus & Rosehip
Hibiscus and rosehip are frequently blended because both produce tart, fruity herbal infusions.
Hibiscus provides the stronger red color and sharp acidity, while rosehip can add a softer fruit character.
Start with roughly equal amounts and adjust from there.
If you prefer a gentler cup, use less hibiscus than rosehip.
Explore our Rosehip Tea collection for more.
🫐 Hibiscus Berry Tea
Hibiscus naturally tastes berry-like, so it pairs easily with:
- Raspberry
- Strawberry
- Blueberry
- Blackberry
Add fresh berries to chilled hibiscus tea shortly before serving.
For a stronger fruit flavor, gently crush several berries in the glass before pouring in the tea.
The already-red hibiscus makes berry drinks particularly striking.
🧊 How to Make Iced Hibiscus Tea
For a pitcher, use:
- 1/2 cup dried hibiscus
- 8 cups water
- Honey or sugar to taste, optional
- Fresh citrus or mint, optional
Bring the water to a boil and remove it from the heat.
Add the hibiscus and steep for 10 minutes.
Strain.
Sweeten while warm if desired.
Cool, then refrigerate until thoroughly chilled.
Serve over plenty of ice.
❄️ Can You Cold Brew Hibiscus?
Yes.
Cold-brewed hibiscus creates a smooth, intensely colored drink with very little effort.
Combine dried hibiscus and cold water in a covered pitcher.
Refrigerate for several hours or overnight.
Strain when the color and tartness reach the level you enjoy.
A useful starting point is approximately 1/2 cup dried hibiscus to 8 cups cold water.
Taste as it develops.
Cold brewing is particularly convenient when you want a pitcher waiting in the refrigerator during summer.
🇲🇽 Agua de Jamaica
One of the best-known hibiscus drinks is Mexican agua de Jamaica.
Recipes vary, but the basic idea combines a strong infusion of dried hibiscus—known as flor de Jamaica—with water and sugar.
Some versions incorporate cinnamon, ginger, citrus, or other flavorings.
The drink is chilled and served over ice.
It is tart, vivid, refreshing, and an excellent example of how hibiscus can be something more interesting than a medicinal-looking herbal tea bag.
🌍 Hibiscus Drinks Around the World
Hibiscus beverages appear in many culinary traditions.
Names and preparations vary across Africa, the Caribbean, Mexico, the Middle East, and elsewhere.
You may encounter drinks known as:
- Bissap
- Karkadé
- Sorrel
- Agua de Jamaica
Spices, sweetness levels, and additional ingredients change from place to place.
Rather than describing all of these as interchangeable “hibiscus tea,” it is worth recognizing them as distinct regional preparations built around a shared ingredient.
Explore our Tea Culture & Regions collection for more tea traditions around the world.
🎄 Caribbean Sorrel
In parts of the Caribbean, drinks made from roselle are strongly associated with the holiday season.
Recipes commonly include hibiscus with warming ingredients such as ginger and spices, although preparation varies by island, household, and family tradition.
The resulting drink can be much more intensely spiced than basic hibiscus tea.
This is a good reminder that the same plant can become a very different beverage depending on where and how it is prepared.
🫧 Sparkling Hibiscus Tea
Hibiscus is one of the best herbal bases for a sparkling drink because its color and tartness remain noticeable after dilution.
Combine:
- 3 parts chilled hibiscus tea
- 1 part sparkling water
- Honey syrup or simple syrup to taste
Serve over ice.
Add citrus and mint.
For a party, wait until the last moment to add the sparkling water so the carbonation does not disappear in the pitcher.
🍹 Hibiscus Tea Punch
For a simple nonalcoholic punch, combine:
- Chilled hibiscus tea
- Orange juice
- Fresh lime
- Sparkling water
- Orange slices
- Berries
Sweeten only after tasting.
Fruit juice contributes its own sugar, and hibiscus drinks can become overly sweet surprisingly quickly.
The brilliant red color makes this an easy option for holiday parties, showers, summer gatherings, or Valentine’s Day.
🎀 Hibiscus for an Afternoon Tea
Hibiscus can be a useful caffeine-free option at an afternoon tea, particularly when served iced.
Its tartness pairs nicely with:
- Fruit tarts
- Lemon cake
- Shortbread
- Berry desserts
- Scones
- Light tea sandwiches
A glass pitcher filled with ruby-red hibiscus, citrus slices, and ice also provides a dramatic contrast to traditional hot tea service.
For more entertaining ideas, visit our Tea Parties & Afternoon Tea hub.
☕ Hibiscus vs. Black Tea
Hibiscus and black tea are fundamentally different.
Hibiscus tea is an herbal infusion and naturally caffeine-free.
Black tea comes from Camellia sinensis and naturally contains caffeine.
Black tea tends to have tannic, malty, fruity, earthy, or brisk flavors.
Hibiscus is much more overtly tart and fruit-like.
They can even be blended together, but the resulting drink will contain caffeine because of the black tea.
Explore our Black Tea collection for comparison.
🌺 Hibiscus vs. Chamomile
These two caffeine-free herbal teas could hardly taste more different.
Chamomile Tea is mild, floral, soft, and naturally almost honey-like.
Hibiscus is bold, tart, fruity, and acidic.
Chamomile is especially associated with quiet evening drinking.
Hibiscus works just as naturally in a tall glass filled with ice on a hot afternoon.
Keeping both in the cupboard gives you two completely different caffeine-free options.
🌺 Hibiscus vs. Rosehip
Hibiscus and rosehip can both produce reddish, tart herbal drinks, which is why they are frequently confused or blended together.
Hibiscus generally produces:
- Deeper red color
- Sharper acidity
- More intense fruitiness
Rosehip may be:
- Softer
- Rounder
- Less dramatically tart
Read the ingredient label if you specifically want one or the other. Many commercial “hibiscus” or “fruit” teas contain blends.
🌺 Is Hibiscus Tea Acidic?
Yes, hibiscus is naturally tart because it contains organic acids.
For many people, that is one of its best qualities.
However, someone who finds acidic foods or beverages irritating may prefer a weaker infusion or another type of herbal tea.
Sweetener can balance the perception of sourness, but it does not remove the acidity itself.
Pay attention to how your own body responds rather than assuming every tea suits everyone equally.
🦷 Hibiscus & Your Teeth
Deeply colored and acidic beverages can be worth considering if you drink them frequently.
You do not need to panic over a cup of hibiscus, but constantly sipping acidic drinks throughout the entire day keeps teeth exposed for longer periods.
Drinking it with a meal or in a defined sitting is a reasonable approach.
Plain water afterward can also clear some lingering acidity and pigment from the mouth.
🫙 How to Store Dried Hibiscus
Keep dried hibiscus in an airtight container somewhere cool, dry, and dark.
Protect it from:
- Moisture
- Heat
- Direct sunlight
- Strong surrounding odors
Good dried hibiscus should retain a strong red color and noticeable tart, fruity aroma.
If it smells musty or shows signs of moisture or mold, discard it.
❄️ How to Store Brewed Hibiscus Tea
Once brewed and cooled, keep hibiscus tea in a clean covered container in the refrigerator.
For the freshest flavor, make an amount you can use within several days.
If you have added fresh fruit or herbs, remove them before prolonged storage.
Fruit slices eventually soften and can change the flavor of the pitcher.
Add ice only when serving so stored tea does not become diluted.
⚠️ Is Hibiscus Tea Safe?
Food-level hibiscus is widely consumed around the world, and ordinary tea appears to be well tolerated by many people.
That does not mean unlimited amounts or concentrated supplements are automatically appropriate for everyone.
Potential considerations include:
- Blood pressure
- Medications
- Pregnancy
- Breastfeeding
- Allergic reactions
- Differences between tea and concentrated extracts
If you are drinking hibiscus simply because you enjoy it, that is different from consuming large quantities specifically to alter a medical condition.
💊 Can Hibiscus Interact With Medications?
Potential herb-drug interactions are one reason to be cautious about using hibiscus therapeutically.
Because hibiscus may affect blood pressure, people taking antihypertensive medication should discuss regular or high-dose use with their health care provider.
Research has also explored effects on blood glucose and other metabolic markers, making caution reasonable for people taking medications in those areas as well.
The evidence surrounding specific interactions is incomplete.
That uncertainty is a reason to ask—not a reason to assume either perfect safety or inevitable danger.
🤰 Is Hibiscus Tea Safe During Pregnancy?
There is not enough high-quality human evidence to confidently recommend medicinal or high-dose hibiscus use during pregnancy.
Herbal products are frequently assumed to be harmless because they are natural, but pregnancy safety needs to be demonstrated rather than assumed.
If you are pregnant, ask your obstetric clinician about regular hibiscus consumption, particularly concentrated products or large daily amounts.
A food ingredient and a medicinal-dose herbal preparation should not automatically be treated as equivalent.
🤱 Hibiscus Tea & Breastfeeding
Reliable breastfeeding safety data are also limited.
The NIH’s LactMed database notes a lack of data regarding the transfer of hibiscus components into breast milk and its safety and effectiveness in nursing mothers and infants.
That means confident claims that hibiscus either improves milk supply or is completely risk-free during breastfeeding are not well supported.
If you are breastfeeding and intend to consume hibiscus regularly or use concentrated preparations, discuss it with your health care provider.
🌺 Can You Be Allergic to Hibiscus?
Allergic reactions to botanical foods and teas are possible.
Stop drinking hibiscus if it produces symptoms such as:
- Hives
- Swelling
- Wheezing
- Difficulty breathing
- Significant itching
Severe allergic symptoms require urgent medical attention.
A person who reacts badly to one botanical product should not keep drinking it simply because the label describes it as natural.
🧪 Tea vs. Hibiscus Extract
This distinction appears repeatedly in hibiscus research.
A normal cup of tea is made by steeping dried plant material in water.
A hibiscus extract may be concentrated or standardized to provide much larger quantities of particular plant compounds.
Powders, capsules, and extracts can therefore behave differently from a beverage.
If a research paper studied a concentrated extract, it is inaccurate to rewrite its conclusion as though researchers simply gave participants one ordinary cup of hibiscus tea.
Form and dose matter.
🌿 Is Hibiscus Tea Good for You?
Hibiscus can certainly fit into a healthy diet.
Plain hibiscus tea is:
- Naturally caffeine-free
- Usually very low in calories before sweetening
- Hydrating
- Flavorful without needing artificial flavors
- A source of plant compounds such as anthocyanins
There is also genuine research suggesting potential effects on blood pressure and certain cardiometabolic markers.
But “good for you” does not mean unlimited quantities are better or that the tea treats disease.
The simplest approach is often the best one.
Drink hibiscus because you enjoy it, and view the emerging research as interesting rather than magical.
🌺 A Bold Herbal Tea That Doesn’t Need Hype
Hibiscus has plenty going for it without exaggerated wellness promises.
Its ruby-red color is spectacular.
Its tart flavor works equally well hot or cold.
It contains no natural caffeine.
It pairs beautifully with ginger, citrus, mint, berries, and rosehip.
And unlike many fashionable herbal ingredients, hibiscus also has a meaningful body of human research behind it—particularly in relation to blood pressure.
That still does not make it a substitute for medication, a detox treatment, or a miracle weight-loss drink.
Sometimes a tea can simply be delicious, interesting, and worth learning about.
Hibiscus is all three.
🔗 Related Articles
- Hibiscus Tea
- Herbal Tea
- Tea Varieties
- Tea & Wellness
- How to Brew Tea
- Tea Recipes
- Chamomile Tea Guide
- Rosehip Tea
- Ginger Tea
- Tea Culture & Regions
📚 Sources & Further Reading
- PubMed — Efficacy and Safety of Hibiscus sabdariffa in Cardiometabolic Health: Overview of Reviews and Updated Dose-Response Meta-Analysis
- PubMed — A Systematic Review and Meta-Analysis of the Effects of Hibiscus sabdariffa on Blood Pressure and Cardiometabolic Markers
- PubMed — Efficacy of Hibiscus sabdariffa on Reducing Blood Pressure in Mild-to-Moderate Hypertension
- PubMed — Effect of Sour Tea on Arterial Hypertension: Systematic Review and Meta-Analysis
- Cleveland Clinic — Benefits of Hibiscus Tea
- NIH LactMed — Hibiscus
- Royal Botanic Gardens, Kew — Hibiscus sabdariffa
