Thursday, May 24, 2007

Attracting Butterflies to the Garden

lawn care, butterflies, organic, gardening

While we are on the subject of the whole garden, not just the Lawn alone, I thought about what I like to see in gardens that make them special. Obviously we looked at Birds, yesterday. But what about that most delightful visitor "The Butterfly?" There is nothing better than to relax on a warm Summer day with a drink in hand, looking over your garden - the product of your sweat and tears all the year round - and watch the many coloured Butterflies flitting about your Flower beds. Ah! Heavenly Bliss.

So how do we go about attracting these welcome visitors? Here is an Article by
P.A. Opler and W.S. Cranshaw from Colorado State University at
which reveals all!

"Quick Facts...
Many kinds of butterflies can be found in Colorado. Encourage butterflies by planning a butterfly garden.
Butterflies seek out areas with food plants for the caterpillar stage. Adult butterflies also feed on fluids such as nectar from flowers.
Butterfly visits increase when environmental needs are met.
Gardening practices to attract and retain butterflies often differ from regular gardening practices.
Dozens of butterfly species commonly occur along the Front Range and eastern Colorado and are a welcome garden addition for many people. Butterflies often appear to be just passing through, occasionally stopping for a drink of nectar. You can prolong the stay of these colorful insects and draw in others by providing the food and shelter they need.

Planning the Butterfly Garden
Make a yard more attractive to butterflies by providing the proper environment. Most important are food plants used by the immature stages (various caterpillars), food sources used by the adult butterflies, and physical environment.

Most butterflies prefer some shelter from the high winds common along the Front Range. At the same time, they like open, sunny areas. Windbreak plantings or other means of sheltering the butterfly garden can help provide a suitable physical environment.

Certain kinds of butterflies (mostly males) often can be seen on moist sand or mud collecting around puddles of water where they feed. The function of these "mud-puddle clubs" is not fully understood, but it is thought that the water contains dissolved minerals needed by the insects. Maintaining a damp, slightly salty area in the yard may attract groups of these butterflies.

Adult female butterflies spend time searching for food plants required by the immature caterpillar stage. Most butterflies have specific host plants on which they develop. For example, caterpillars of the monarch butterfly develop only on milkweed, while the black swallowtail feeds only on parsley, dill and closely related plants. When females find the proper host plant, they may lay eggs on it.

Providing the necessary food plants for the developing caterpillars also allows production of a "native" population that can be observed in all stages of development. Most species, however, fly away as adult butterflies.

Food for adult butterflies usually consists of sweet liquids, such as nectar from flowers, that provide energy. Some flowers contain more nectar, and are more attractive to butterflies. Often, specific types of flowers and flower colors also are more attractive. Some species feed on honeydew (produced by aphids), plant sap, rotting fruit and even bird dung.

When planning a garden, create a large patch of a flower species to attract and retain butterflies. Consider flowers that bloom in sequence. This is particularly important during summer when flower visiting by butterflies is most frequent. Flowers and flowering shrubs that might be good choices for an eastern Colorado butterfly garden are included in Table 1.

Table 1: Some nectar-bearing plants commonly visited by butterflies.
Asters (Aster spp.)
Bee balm (Monarda)
Butterfly bush (Buddleia davidii)
Butterfly plant (Asclepias tuberosa)
Bush cinquefolia (Potentilla fruticosa)
Cosmos (Cosmos spp.)
Gaillardia (Gaillardia spp.)
Lilac (Syringa vulgaris) Marigold (Tagetes spp.)
Ornamental thistles
Rabbitbrush (Chrysothamnus nauseosus)
Sunflower (Helianthus spp.)
Sweet pea (Lathyrus odoratus)
Verbena (Verbena spp.)
Zinnias (Zinnia spp.)

Common butterflies in eastern Colorado and the foods they use are shown in Table 2. Include these food sources to encourage a steady flow of butterfly visitors.

Common Conflicts
Many of the most attractive nectar plants are commonly considered as "weeds" in other settings. Good examples are various thistles and dandelion, all highly attractive to several common butterflies. The well-manicured and tended garden discourages some butterfly species that develop on wild types of plants. (Note: Canada thistle is considered a noxious weed. Areas that have formed weed districts prohibit by law the culture of Canada thistle.)

A few butterflies also develop on certain garden crops and may be pests if the vegetable is considered more desirable than the insects. The European cabbage butterfly (on broccoli, cabbage and other mustards) and the black swallowtail (on parsley and dill) are common garden inhabitants in Colorado.

Use insecticides sparingly because most are not compatible with attracting and increasing the number of butterflies in a yard. Most garden insecticides can kill the caterpillar stages of the insects. Adult butterflies also can be killed by resting on insecticide-treated surfaces.

A Field Guide to Western Butterflies, 2nd Edition. 1999. P.A. Opler and A. Wright (illustrator). Peterson Field Guide Series, Houghton-Mifflin.
Butterflies of North America. P.A. Opler, R.E. Stanford, H. Pavulaan, coordinators, USDI-USGS, Northern Prairie Wildlife Research Center.
Butterfly Gardening: Creating Summer Magic in Your Garden. 1990. Xerces Society, in association with the Smithsonian Institution. Sierra Club Books. San Francisco.
Emmel, T.C., M.C. Minno and B.A. Drummond. 1992. Florissant Butterflies: A Guide to the Fossil and Present Day Species of Central Colorado. Stanford University Press. Stanford, Calif.
Ferris, C.D., and F.M. Brown. 1981. Butterflies of the Rocky Mountain States. University of Oklahoma Press. Norman, Okla.
Opler, P., and S.W. Strawn. 1988. Butterflies of the American West: A Coloring Album. Roberts Rinehart. Niwot, Colo.
Opler, P., and A.B. Wright. 1994. Peterson First Guides. Butterflies and Moths. Houghton Mifflin. Boston, New York.
Pyle, R.M. 1981. Audubon Field Guide to North American Butterflies. Alfred A. Knopf. New York.

Table 2: Food used by common eastern Colorado butterflies and skippers.
Butterfly Flight period Caterpillar food Common nectar plants, adult food
Black swallowtail
(Papilio polyxenes) April-September Dill, parsley, fennel, carrot Butterfly weed, alfalfa, thistle
Checkered skipper
(Pyrgus communis) April-October Mallow, hollyhock Verbena, dandelion, Canada thistle, aster
Checkered white
(Pontia protodice) April-November Tumble mustard Alfafa, mustards, bee balm
Clouded sulfur
(Colias philodice) April-November Alfalfa, clover Alfalfa, phlox, rabbitbrush, aster, marigold
Edwards fritillary
(Speyeria edwardsii) June-September Nuttall's violet Rabbitbrush, gaillardia, bee balm
European cabbage butterfly
(Pieris rapae) April-October Broccoli, cabbage (mustard family) Many
Gorgone checkerspot
(Charidryas gorgone) May-September Sunflowers White clover, dandelion, Canada thistle
Gray hairstreak
(Strymon melinus) May-October Many Many
Hackberry butterfly
(Asterocampa celtis) May-September Hackberry Rotting fruit, sap flows
Melissa blue
(Lycaeides melissa) April-October Wild licorice, alfalfa, etc. Bee balm, sweet clover
(Danaus plexippus) June-October Milkweed Cosmos, Canada thistle, rabbitbrush, etc.
Mourning cloak
(Nymphalis antiopa) February-November Willow, aspen, cottonwood, elm Rabbitbrush, milkweed, sap
Orange sulfur
(Colias eurytheme) April-October Alfalfa, vetch, pea Alfalfa, marigold, zinnia
Painted Lady
(Vanessa cardui) April-October Thistle, hollyhock, sunflower Grape hyacinth, cosmos, zinnia, alfalfa, many flowers
Silver-spotted skipper
(Epargyreus clarus) May-July Wild licorice, locust, etc. Lilac, dogbane, zinnia, sweet pea, Canada thistle
Two-tailed swallowtail
(Papilio multicaudatus) April-August Green ash, chokecherry Geranium, thistle, milkweed
Variegated fritillary
(Euptoieta claudia) April-October Various, including pansy Rabbitbrush, Canada thistle
Weidemeyer's admiral
(Limentitis weidemeyerii) June-September Willow, aspen, cottonwood Sap flows, snowberry, dung
Western tiger swallowtail
(Papilio rutulus) May-July Willow, cottonwood, chokecherry Zinnia, lilac, butterflybush, thistle, milkweed
Wood nymph
(Cercyonis pegala) June-August Grasses Rabbitbrush, clematis, Canada thistle"

Terry Blackburn. Internet Marketing Consultant, living in South Shields in the North-East of England. Author and Producer of blog Author of "Your Perfect Lawn," a 90 Page eBook devoted to Lawn Preparation, Lawn Care and Maintenance. Find it at

I would be very interested to have your comments on this Article.

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lawn care, butterflies, organic, gardening, vegetables

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