DAISIES: USEFUL AS WELL AS ORNAMENTAL!

Didn’t know that artichokes are members of the daisy family? Lots of people don’t. There are many surprises in this enormous plant family. It boasts 1,911 genera and over 32,913 species! But even so, so what?

Well, it’s National Garden Month, and it turns out that the daisy family—a.k.a., the Asteraceae family and the Sunflower family—has gardeners covered for both food and beauty.

Daisy chain

Note: The lists that follow are illustrative, not exhaustive!

Delicious Daisies

Have you had your daisy today? Dandelion greens? Probably not. Perfectly edible, they were introduced into the New World by European immigrants in the 1700s as a food source.

Artichoke
Daisy
Artichokes are surprisingly pretty in the garden

Today, not so much. But what about the following?

  • Lettuce (various varieties, cultivated for the last 5,000 years)
  • Endive
  • Chicory
  • Artichokes
  • Jerusalem artichoke (a.k.a. sunchoke, sunroot, earth apple)
  • Sunflowers
  • Safflower
  • Tarragon
  • Salsify
  • Stevia
  • Camomile
  • Sage
  • Absinthium

Medicinal Daisies

Chamomile
Daisy
Chamomile being harvested for tea

People use daisies to make all sort of medicines: antioxidant, anti-inflammatory, antimicrobial, diuretic, wound healing, and more. According to the World Health Organization, over 80% of the world’s population depend on traditional and folk medicine. Agata Rolnik and Beata Olas have written a fascinating study of the many ways plants in the daisy family can protect human health. Some daisies frequently used for health purposes include the following:

  • Wormwood
  • Camomile
  • Dandelion
  • Yarrow
  • Tansy
  • Milk thistle
  • Echinacea

Beautiful Daisies

Zinnia
Daisy
Zinnias

Though plants in the daisy family are often also edible or medicinal, many people know them primarily for their beauty, for example daisies, dahlias, and coreopsis. But also including:

  • Gerbera daisies
  • Shasta daisy
  • Asters
  • Calendula
  • Zinnia
  • Chrysanthemum (also has insecticidal properties)
  • Marigold (a.k.a. German stinkblumen)
  • Carnation
  • Coreopsis
  • Brown/black eyed daisies

Commercially Important Daisies

French Marigold
Daisies
French Marigold

A wide array of plants in the daisy family are grown for commercial use. They’re everywhere, including food crops, cooking oils, sweetening agents, coffee substitutes, and herbal teas, as well as all the members of the asteraceae family that florists rely on. One that surprised me is the French marigold, used in commercial poultry feed and produces oils used in colas and the cigarette industry.

  • Common marigolds – insect repellent
  • Chrysanthemum – produces insecticides
  • Guayule – hypoallergenic latex

Daisies for Beekeepers

Red Sunflower
Daisy Family
Red Sunflower

Colorful, fragrant daisies attract all manner o pollinators, particularly bees. Beekeepers often plant members of the asteraceae family to keep their bees happy.

  • Sunflowers
  • Knapweed
  • Some species of goldenrod (for an especially high protein pollen)

Daisy Black Sheep

Dandelion
Daisies
Dandelion

Not every variety of the daisy family finds a warm welcome, for various reasons.

  • Dandelions, as a robust weed and cause of contact dermatitis
  • Ragweed causes so-called hay fever
  • Ox-eye daisy, causes both contact and inhalant allergy
  • Any-pollen heavy plant can aggravate rhinitis for allergy sufferers

Overall

Mutant Daisies
Some daisies are just weird.

Daisies are old: they were first described in 1740. But the oldest known fossils are pollen grains dated to c. 76-66 million years ago. The family is huge: 1911 genera and at least 32,913 named species. It is arguably the largest plant family, possibly rivaled by orchids. Both families are too big to count. They’re everywhere, on every continent except Antarctica. I’ve focused on flowers and herbs, but it also includes shrubs, vines, and trees.

Bottom line: Whatever the garden needs, consider the Daisy family!

Why Daisies? Why Not?

lettuce
Didn’t know lettuce is a member of the daisy family? Lots of people don’t. And there is much else that is surprising about this enormous plant family. But even so, so what? Well, I got interested, and when I’m interested, I explore and write. But why read this blog? Because writers can bring plants into their work in any number of ways.
  • as a character’s hobby
  • as a character’s work
  • as a reflection of a character’s character or personality
  • as a reflection of a character’s aesthetic taste (or lack thereof)
  • as factoids characters can drop into conversation to amaze and astound
aster
[Source: Plantopedia]
The big picture. Technically, the daisy family—also commonly known as the sunflower or aster family—is the Asteraceae family. It’s huge.
  • 13 subfamilies
  • 1,911 genera
  • 32,913 named species
  • for size, it’s rivaled only by orchids. Which is larger is unknown.
  • mostly annual or perennial herbs, it also includes shrubs, vines, and trees
  • this family grows worldwide, except Antarctica and the extreme Arctic
Many daisies are known primarily as food. Dandelions head this section for a reason. They were introduced into the New World by European immigrants who ate the greens—but now are more often considered a weed than a food.
safflower
Besides lettuce, important food crops include endive, chicory, artichokes, sunflowers, and safflower.
tarragon
Daisy species are used as culinary seasoning: tarragon, salsify, and stevia, for example.
chamomile
“Daisies” such as camomile are used for herbal teas. Also included here are pot marigold, and echinacea, which is used in medicinal teas. In fact, many species are used as traditional anti-parasitic medicine.
ragweed
Species such as ragweed cause allergic reactions such as so-called hay fever. Other varieties cause contact dermatitis—as many who work with flowers can testify.
dahlias
[Source: Midwest Living]
Many of us think of daisies first as flowers, but many varieties are important for the flower industry. Besides dahlia, think Gerbera daisies, calendula, zinnia, chrysanthemum, and many others.
And, BTW, chrysanthemum as well as several less familiar species have useful insecticidal properties.
marigold
[Source: Garden Design]
Marigolds serve important industrial purposes. It is used in commercial poultry feeds, and it’s oils are used in colas and in the cigarette industry.
Several varieties of daisies are copious nectar producers and are thus important for beekeepers. These include sunflowers, knapweed, and some species of goldenrod. Goldenrod in particular has a high protein pollen which helps honey bees winter over.
Bottom line: just imagine all the ways a little knowledge of the daisy family might season your writing!
yarrow