The Complete Guide to Chamomile Flowers

Chamomile is probably the first herbal tea most people ever try, and for a lot of us it stays in the cupboard for decades without ever getting a second thought. That familiarity hides something worth knowing: there are two entirely different plants sold under the name "chamomile," the flowers you buy can range from whole intact blossoms to broken dust, and the way the crop is harvested has more to do with the quality of your cup than almost anything you do at the kettle.

This guide covers what chamomile actually is, how it's grown and harvested, how to brew and store it properly, and what the honest evidence says about the traditional uses it's known for.

What Chamomile Actually Is

Chamomile is a small, daisy-like flowering plant in the Asteraceae family — the same botanical family as sunflowers, marigolds, ragweed, and chrysanthemums. The species used in the vast majority of herbal tea is Matricaria chamomilla, commonly called German chamomile, and also listed in older references as Matricaria recutita or Chamomilla recutita. All three names refer to the same plant.

It's an annual, native to Europe, and it has been cultivated across North America for well over a century as both a tea herb and an essential oil crop, according to research from Montana State University's Western Agricultural Research Center.

The part used is the flower head — the white ray petals and the raised golden center together. Not the leaves, not the stem. When you see a pouch of loose chamomile that's mostly green plant material, you're looking at a lower-grade product where too much foliage came along during harvest.

German vs. Roman Chamomile: Why the Distinction Matters

This is the single most common point of confusion in the category, and it isn't a trivial one — these are different plants in different genera.

German chamomile (Matricaria chamomilla) is an annual. It's what almost all chamomile tea is made from.

Roman chamomile (Chamaemelum nobile, also written Anthemis nobilis) is a perennial with broadly similar traditional uses, more often grown as a ground cover or distilled for essential oil.

Both produce white daisy-like flowers, and side by side they're genuinely hard to tell apart. The reliable field distinction is structural: the flower receptacle — the raised center the petals attach to — is hollow in German chamomile and solid in Roman chamomile. Montana State's agricultural researchers use exactly this test.

Why it matters for you: the National Center for Complementary and Integrative Health explicitly notes that its chamomile fact sheet covers German chamomile, because that's where the research base sits. When you read anything about chamomile — a study, a claim, a product label — the species question comes first. A finding about one is not automatically a finding about the other.

Farmer Soul's chamomile is Matricaria chamomilla, German chamomile, whole dried flowers.

A Long History in the Herbal Kitchen

Chamomile shows up in ancient medical writing and was an important medicinal herb in ancient China, Egypt, Greece, and Rome — a documented run of continuous use stretching back thousands of years, per NCCIH. Few culinary botanicals have that kind of paper trail.

That history is part of why chamomile occupies the position it does today. It isn't a trend ingredient that surfaced in the last decade. It's a household staple that has simply never gone away, which is a different and more durable kind of credential.

What's Actually in the Flower

The flower head carries a small amount of volatile essential oil, and that oil is where chamomile's characteristic aroma lives. When German chamomile oil is steam-distilled, the process forms a compound called chamazulene, which gives the finished oil a deep blue color — the reason distillers call it "blue chamomile."

You don't get that in a teacup. Chamazulene forms during distillation, not steeping. But the underlying oil content is directly relevant to your tea, because it determines flavor and aroma strength, and it varies with when the flower was picked.

UC Marin Master Gardeners put it plainly: pick only fully developed flowers, because those have the highest essential oil content. A flower harvested too early or too late simply has less in it. This is why harvest timing is the quality variable that matters most in chamomile, and why it's largely invisible to the buyer.

How Chamomile Is Grown and Harvested

Chamomile is easy to grow and difficult to harvest well, which is an unusual combination.

The plant prefers cooler climates, is sown in early spring, and tolerates light frost. It self-seeds freely — enthusiastically enough that Montana State's growers note it can become weedy. In the field it flowers repeatedly rather than all at once, typically two to three flushes in a season.

That lack of synchronized flowering is the whole problem. Because blooms open on their own schedule, a chamomile field has to be harvested every ten days or so, repeatedly, through the season. The highest-quality tea-grade product comes from raking the flower heads off the plants by hand, leaving the foliage behind. Clipping the whole plant is faster, but it drags stem and leaf into the harvest and produces a lower grade.

The labor involved is substantial. Montana State measured their research plots harvesting at roughly 1.35 pounds of dried flowers per hour, and cites Australian figures where an experienced picker averaged around 0.7 to 1.1 pounds an hour. Mechanized flower harvest still isn't common in the US — harvesters have been designed and built, but aren't commercially available.

This is worth knowing because it explains the price difference between whole flower chamomile and the ground material in a standard tea bag. Those aren't the same product harvested two ways. They're often different grades entirely.

Why Whole Flowers, Not Tea Bags

A conventional chamomile tea bag typically contains broken or ground plant material — sometimes called fannings or dust in the tea trade. It brews fast because the surface area is enormous, and it gives up its aroma quickly for the same reason, including on the shelf before you ever open it.

Whole dried flowers behave differently. They release flavor more slowly, need a longer steep, and hold their aroma considerably better in storage because far less of the plant's surface is exposed to air. You can also see exactly what you're buying: intact blossoms with white petals and golden centers, not an undifferentiated brown powder.

The practical trade-off is time. Whole flowers want five to ten minutes rather than two.

How to Brew Chamomile Properly

• Use 1 to 2 tablespoons of dried flowers per 8 oz cup. Whole flowers are voluminous, so the volume looks generous compared to a tea bag — that's normal and correct.
• Water just off the boil. Chamomile doesn't need a gentle temperature the way green tea does.
• Steep 5 to 10 minutes, covered. Covering matters more than people expect: the aromatic compounds are volatile, and an open cup lets a meaningful share of them leave with the steam.
• Longer steeping deepens flavor without turning bitter. Chamomile has very little tannin compared to true tea, so it's forgiving. If you like it stronger, steep it longer rather than adding more flowers.
• Strain and finish to taste. Raw honey suits it particularly well; a squeeze of lemon brightens it.

How to Store Dried Chamomile

Three things degrade dried flowers: light, heat, and air. Store the pouch tightly sealed in a cool, dry cupboard away from direct sunlight, moisture, and strong-smelling neighbors like coffee or spices — chamomile picks up ambient odors readily.

Use a clean, dry utensil each time. Introducing moisture into the pouch is the fastest way to ruin a batch. UC Marin's guidance for home growers is to store dried flowers in glass, out of sunlight, and use them within the season until the next harvest — a reasonable benchmark for shelf life generally.

What Chamomile Is Traditionally Used For — And What the Evidence Shows

Chamomile is traditionally associated with relaxation, evening routines, and digestive comfort, and it's promoted today for a long list of conditions including colds, indigestion, anxiety, insomnia, and infant colic.

Here's the honest picture. NCCIH's assessment is that studies of chamomile for specific conditions have not produced sufficient reliable evidence to rate clinical usefulness. Some preliminary research suggests a chamomile dietary supplement might help with generalized anxiety disorder and associated depression. Small studies suggest chamomile mouthwashes might help with mouth irritation from cancer treatment.

And on sleep — chamomile's best-known association — the evidence splits in a way that's worth understanding. A 2019 systematic review found only one study examining clinical insomnia, and it showed no benefit. But pooling across trials, the same review found a statistically significant improvement in subjective sleep quality.

Those two findings aren't contradictory. Insomnia is a diagnosed sleep disorder with clinical criteria; sleep quality is how well people report sleeping. Chamomile appears to move the second without treating the first. That's a real result, and it's also not a medical claim — which is exactly why we'd rather describe it accurately than round it up or down. If you want the full breakdown with effect sizes and confidence intervals, we cover it in detail in a dedicated research article.

What chamomile genuinely is: a gentle, caffeine-free, naturally sweet botanical with a long and well-documented history of use, which makes a very good cup. That's a real thing to offer without dressing it up as something the evidence doesn't support.

A brief safety note. Because chamomile is in the Asteraceae family, people allergic to ragweed, chrysanthemums, marigolds, or daisies are more likely to react to it. NCCIH also notes reported interactions with warfarin and with some drugs metabolized by the liver, possible estrogen-like effects, and that little is known about safety during pregnancy or breastfeeding. If you take medication regularly or are pregnant, talk to your healthcare provider before adding chamomile to your routine.

The Farmer Soul Approach

Our chamomile is whole dried Matricaria chamomilla flowers — single ingredient, no additives, flavorings, or fillers, and naturally caffeine-free. It's carefully sourced from Eastern European botanical growers, USDA Organic certified, and packed in small batches in resealable kraft pouches here in Las Vegas.

We sell it loose and whole rather than ground because that's the form that holds its aroma, shows you what you're actually buying, and brews the better cup.

Frequently Asked Questions

Is German chamomile better than Roman chamomile for tea?

German chamomile is what's overwhelmingly used for tea, and it's where the research base sits. Roman chamomile has broadly similar traditional uses but is more often grown as a ground cover or distilled for oil. For brewing, German is the standard.

How can I tell if my chamomile is German or Roman?

The reliable structural test is the flower receptacle — the raised center the petals attach to. It's hollow in German chamomile and solid in Roman chamomile. In practice, if you bought it as loose tea, it's almost certainly German.

Why does chamomile tea sometimes taste like nothing?

Usually one of three things: the flowers were harvested before they were fully developed, the product is ground rather than whole and has lost its aroma on the shelf, or the steep was too short. Whole flowers need five to ten minutes, covered.

Does chamomile actually help you sleep?

The evidence splits. A 2019 review found a single study on clinical insomnia, which showed no benefit — but the same review found a significant improvement in self-reported sleep quality across pooled trials. So people who drink it do tend to report sleeping better; that just isn't the same as treating a sleep disorder.

Is chamomile caffeine-free?

Yes. It's an herbal infusion with no Camellia sinensis in it at all, so there's no caffeine at any point.

Can I use chamomile flowers more than once?

You can get a second, lighter infusion from a generous first steep, though it will be noticeably milder. Most people find one properly long steep gives a better cup than two short ones.

How long do dried chamomile flowers last?

Properly stored — sealed, cool, dark, dry — whole dried flowers hold their aroma and color well for a year or more. Ground chamomile fades considerably faster.

Related Reading

• Echinacea 101: Traditional Uses, Benefits & How to Brew It
• Best Herbal Tea Pairings for Immune Support
• Lavender Powder vs. Lavender Buds: Which Should You Use?
• The Lavender Lemonade Guide
• How to Store Dried Mullein Leaf to Preserve Potency

Sources

• National Center for Complementary and Integrative Health, National Institutes of Health. Chamomile: Usefulness and Safety. Last updated November 2024.
• Callan NW, Westcott MP, Wall-MacLane S, Miller JB, Welty L, Strang L. German Chamomile. Western Agricultural Research Center, Montana State University.
• UC Marin Master Gardeners, University of California Agriculture and Natural Resources. Chamomile.
• Hieu TH, Dibas M, Surya Dila KA, et al. Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality: a systematic review and meta-analysis of randomized trials and quasi-randomized trials. Phytotherapy Research. 2019;33(6):1604-1615.
• Dai Y-L, Li Y, Wang Q, et al. Chamomile: a review of its traditional uses, chemical constituents, pharmacological activities and quality control studies. Molecules. 2022;28(1):133.

This article is for educational purposes only and is not intended as medical advice. Chamomile is not a treatment or cure for any condition. Talk with your healthcare provider before using chamomile, especially if you are pregnant, nursing, or taking medication.