Chamomile Matricaria chamomilla
Delicate in appearance but botanically fascinating, German chamomile is an aromatic flowering herb in the daisy family. Its small white-and-gold flower heads, finely divided leaves, distinctive fragrance, and specialized plant chemistry have made Matricaria chamomilla one of the world's most recognizable aromatic herbs.
What Is
Chamomile?
German chamomile is a small aromatic annual belonging to the same botanical family as daisies, sunflowers, and asters.
Chamomile Is a Member of the Daisy Family
The plant featured on this page is German chamomile, scientifically known as Matricaria chamomilla.
It belongs to the family Asteraceae, an enormous family of flowering plants that also includes daisies, sunflowers, dandelions, asters, and many other familiar species.
Chamomile produces slender branching stems, finely divided leaves, and distinctive flower heads with white outer florets surrounding a raised golden-yellow center.
One Name, More Than One Plant
"Chamomile" does not refer to only one species. German chamomile is Matricaria chamomilla, while Roman chamomile is Chamaemelum nobile. They are distinct plants and should not be treated as interchangeable botanical names.
Where Chamomile Fits in the Plant Kingdom
German chamomile sits within one of the largest and most recognizable families of flowering plants on Earth.
How to Recognize German Chamomile
Chamomile may look simple from across a garden, but its flower structure reveals the intricate architecture typical of the daisy family.
Flower Heads
German chamomile produces small flower heads with white, petal-like ray florets surrounding a prominent yellow center made from numerous tiny disc florets.
Yellow Center
What appears to be one yellow center is actually composed of many individual tubular flowers packed closely together.
White Rays
The white structures surrounding the center resemble petals, but botanically they are individual ray florets forming part of the larger composite flower head.
Leaves
German chamomile has delicate, finely divided leaves that give the plant a soft, feathery appearance.
Stems
Slender branching stems support numerous leaves and flower heads, giving mature plants an open and airy structure.
Aroma
The flowers and foliage are aromatic, producing a distinctive sweet, herbaceous fragrance generated by a mixture of volatile plant compounds.
One "Flower" Is Actually Many Flowers
Chamomile belongs to Asteraceae, sometimes called the composite family because what appears to be one flower is actually a tightly organized collection of many smaller flowers.
Ray Florets
The familiar white "petals" around the outside are individual flowers known as ray florets.
Disc Florets
The yellow center consists of numerous tiny tubular flowers called disc florets packed into a central receptacle.
Flower Head
Together, the ray florets and disc florets create the structure botanists call a capitulum or flower head.
Look Inside
the Flower
German chamomile has a useful identification clue hidden beneath the yellow center.
The Center Becomes Hollow
One of the classic characteristics used to distinguish German chamomile is the shape of the receptacle beneath its yellow disc florets.
As the flower head matures, the receptacle becomes increasingly conical and is typically hollow inside.
This feature can help separate German chamomile from several visually similar members of the daisy family.
A Hidden Identification Clue
Slice a mature German chamomile flower head lengthwise and the raised central receptacle is characteristically hollow. That small structural detail is surprisingly useful when identifying the plant.
Chamomile's Aromatic Chemistry
Chamomile's fragrance comes from a complex mixture of volatile and nonvolatile plant compounds rather than one single ingredient.
Bisabolol
Alpha-bisabolol is one of the better-known constituents associated with German chamomile's volatile oil.
Aromatic ConstituentBisabolol Oxides
Related compounds known as bisabolol oxides can also form an important portion of the volatile chemistry found in German chamomile.
Volatile ChemistryMatricin & Chamazulene
Chamomile contains compounds related to the formation of chamazulene. During processes such as steam distillation, matricin can be transformed into the intensely colored compound chamazulene.
Processing Changes ChemistryFlavonoids
German chamomile also contains flavonoid compounds, including apigenin and related molecules found naturally within the plant.
Nonvolatile CompoundsHow Can a Yellow Flower Produce Blue Oil?
German chamomile contains one of plant chemistry's better visual tricks: a blue-colored compound can appear during distillation even though the fresh flower itself is not blue.
Matricin
The fresh plant contains matricin and related natural constituents.
Heat & Distillation
During steam distillation, chemical transformation occurs as the plant material is exposed to heat.
Chamazulene
Chamazulene can form during this process and contributes a distinctive deep blue coloration to some German chamomile essential oils.
German Chamomile vs. Roman Chamomile
They share a common name and similar-looking flowers, but they are not the same species and do not even belong to the same genus.
🌼 German Chamomile
Botanical name: Matricaria chamomilla
German chamomile is generally an annual with upright, branching growth and finely divided leaves.
Its mature flower heads develop a raised, characteristically hollow central receptacle.
🌼 Roman Chamomile
Botanical name: Chamaemelum nobile
Roman chamomile is a different species and typically has a lower-growing, perennial habit.
Calling both plants simply "chamomile" is common, but their scientific names make the botanical distinction clear.
German Chamomile Is an Annual
Unlike perennial herbs that persist year after year from the same root system, German chamomile normally completes its life cycle within one growing season.
Germination
Seeds germinate and produce small seedlings that begin developing the plant's characteristic finely divided leaves.
Vegetative Growth
As the plant matures, branching stems develop and create an open framework capable of supporting numerous flower heads.
Flowering
Mature plants produce repeated flushes of small aromatic flower heads during favorable growing conditions.
Pollination
Chamomile flowers can attract insects that move among the flower heads and participate in the plant's reproductive cycle.
Seed Production
After flowering and successful reproduction, the plant produces numerous small seeds capable of creating the next generation.
Self-Seeding
In suitable environments, fallen seed can germinate later, allowing chamomile to reappear even though individual plants are annuals.
A Small Plant That Loves Open Ground
German chamomile develops best when light, soil, moisture, and temperature allow the plant to establish quickly and flower freely.
Sunlight
Chamomile performs well in sunny positions, where adequate light supports compact growth and abundant flowering.
Soil
The plant can tolerate a range of soils, although excessive waterlogging can create poor growing conditions for the root system.
Water
Young plants need sufficient moisture to establish, while mature plants generally benefit from balanced moisture rather than constantly saturated soil.
Watch the Flower
Change Shape
A German chamomile flower head changes noticeably as it matures.
Those White Rays Don't Stay Flat Forever
Young chamomile flower heads may appear relatively flat, with white ray florets extending outward around the yellow center.
As the flower head matures, the central yellow receptacle becomes increasingly raised and cone-shaped.
The white ray florets often begin angling downward as this central structure expands, giving mature flowers their familiar drooping-petal appearance.
The Shape Tells a Story
A taller yellow cone and increasingly downward-pointing white rays are visual clues that a German chamomile flower head is progressing through maturity.
Chamomile Has a Huge Botanical Family
Asteraceae contains tens of thousands of species and includes many plants that look very different at first glance.
Daisies
The classic daisy appearance provides one of the easiest visual introductions to composite flower heads.
Sunflowers
A sunflower's enormous "flower" follows the same basic composite principle: many individual florets organized into a single head.
Dandelions
Dandelions belong to Asteraceae too, despite having a very different-looking flower head composed primarily of ray-like florets.
A Familiar Herb
Across Generations
Chamomile has traveled through gardens, households, and traditional botanical practice for centuries.
Chamomile Has a Long Human History
Chamomile and related aromatic plants have been valued across generations for their fragrance, flowers, and usefulness in household and botanical traditions.
German chamomile became widely cultivated beyond its original geographic range and today grows in many parts of the world.
As with many old herbal names, historical references to "chamomile" must be interpreted carefully because several different species have carried similar common names.
Eight Things Worth Remembering
01
German chamomile's botanical name is Matricaria chamomilla.
02
It belongs to Asteraceae, the same family as daisies and sunflowers.
03
What looks like one chamomile flower is actually a flower head containing many tiny individual flowers.
04
The white "petals" are ray florets rather than ordinary petals from one single flower.
05
The yellow center contains numerous tiny disc florets packed closely together.
06
Mature German chamomile has a raised central receptacle that is characteristically hollow inside.
07
German chamomile and Roman chamomile are different species belonging to different genera.
08
Processing German chamomile during distillation can produce the deep-blue compound chamazulene.
Questions About the Plant
What is German chamomile?
German chamomile is an aromatic annual flowering herb known botanically as Matricaria chamomilla. It belongs to the family Asteraceae.
Is chamomile a daisy?
Chamomile is not the same species as the plants commonly called daisies, but it belongs to the same botanical family, Asteraceae.
Is German chamomile the same as Roman chamomile?
No. German chamomile is Matricaria chamomilla. Roman chamomile is Chamaemelum nobile. They are separate species in separate genera.
Is German chamomile an annual?
Yes. Individual German chamomile plants generally complete their life cycle within one growing season.
What part of chamomile is most recognizable?
The flower heads are the plant's most distinctive feature, with white ray florets surrounding raised yellow centers.
Are the white parts actual petals?
Not in the ordinary sense. Each white petal-like structure is actually a specialized individual flower called a ray floret.
Why does chamomile have a yellow center?
The yellow center consists of many tiny tubular disc florets arranged closely together on a central receptacle.
How can you identify German chamomile?
Useful characteristics include finely divided leaves, aromatic flower heads, white ray florets, a raised yellow center, and a mature central receptacle that is hollow inside.
Why can chamomile essential oil look blue?
During steam distillation, compounds naturally present in German chamomile can undergo chemical transformations that produce chamazulene, which has a deep blue color.
Does chamomile grow back every year?
German chamomile itself is annual, but plants can produce abundant seed. In suitable conditions, new seedlings may appear in later seasons through self-seeding.
Tiny Flowers.
Remarkable Architecture.
German chamomile is far more intricate than its delicate flowers first suggest. Each flower head is a community of tiny florets, carried by an annual aromatic plant with distinctive chemistry, finely divided foliage, a hollow floral receptacle, and a place within one of the largest flowering plant families on Earth: Matricaria chamomilla.
