Cross Reference Index

Phlox/ Phlox maculata

Pincushion flower/Scabiosa caucasica

Pink/Dianthus

Plantain lily/Hosta

Prairie gay-feather/Liatris spicata

Prickly pear/ Opuntia humifusa

Primrose/Primula

Purple coneflower/Echinacea purpurea Purple rock cress/Aubrieta deltoidea Pyrethrum/Pyrethrum roseum Red valerian/Centranthus ruber Rock cress/Arabis albida Rodgersia/Rodgersia Rose mallow/Hibiscus moscheutos Sage/Salvia

Scabious/Scabiosa caucasica Sea lavender/Limonium latifolium Sea pink/Armeria maritima Sea thrift/'Armeria maritima Self-heal/Prunella X webbiana Senecio/Ligularia

Shasta daisy/'Leucanthemum X superbum Siberian forget-me-not/Brunnera macrophylla Siberian iris/Iris sibirica Silver king/Artemisia ludoviciana

'Silver Mound' artemisia/Artemisia schmidtiana Silver queen/Artemisia ludoviciana Smartweed/Polygonum affine Sneezeweed/Helenium autumnale Snow-in-summer/Cerastium tomentosum Soapwort/Saponaria ocymoides Solomon' s-seal/Polygonatum Speedwell/ Veronica

Spiderwort/Tradescantia X andersoniana Spotted dead nettle/Lamium maculatum Spotted phlox/Phlox maculata Stokes' aster/Stokesia laevis Stonecrop/Sedum

Summer phlox/Phlox paniculata hybrids

Sundrops/Oenothera

Sweet violet/Viola

Sweet woodruff/Galium odoratum

Thread-leaf coreopsis/Coreopsis verticillata

Thrift/Armeria maritima

Thyme/ Thymus

Tickseed/Coreopsis spp.

True lavender/Lavandula angustifolia

Turtlehead/Chelone

Violet/ Viola

Virginia bluebells/Mertensia virginica

Wall cress/Arabis albida Wild bergamot/Monarda didyma Wild bleeding-heart/Dicentra eximia Wild indigo/Baptisia australis Windflower/Anemone X hybrida Wolfsbane/Aconitum Wormwood/Artemisia schmidtiana Yarrow/Achillea millefolium Yellow archangel/Lamiastrum galeob-dolon

Yellow chamomile/Anthemis tinctoria Yellow loosestrife/Lysimachia punctata

Grid Sheet for Planning Your Garden

Plant Hardiness Zone Map

Average dale of the last spring frost (50 percent chance of frost)

North Central Regional Extension publications are subject to peer review and prepared as a part of the Cooperative Extension activities of the 13 land-grant universities of the 12 North Central states, in cooperation with the Extension Service-U.S. Department of Agriculture, Washington, D.C. The following states cooperated in making this publication available.

University of Illinois Ag. Publication Office 69 Mumford Hall Urbana, IL 61801 (217) 333-2007

Purdue University Publication Mailing Room 301 S. Second Street Lafayette, IN 47901-1232 (317) 494-6795

Kansas State University Distribution Center Umberger Hall Manhattan, KS 66506-3400 (913) 532-5830

'Michigan State University Room 10B Ag Hall East Lansing, MI 48824-1039 (517) 355-0240

University of Minnesota Distribution Center 3 Coffey Hall, 1420 Eckles Ave. St. Paul, MN 55108-6064 (612) 625-8173

University of Missouri Extension Publications 2800 McGuire Columbia, MO 65211-0001 (314) 882-2792

North Dakota State Univ. Extension Communications Box 5655, Morrill Hall Fargo, ND 58105 (701) 237-7881

Ohio State University Publications Office 385 Kottman Hall 2021 Coffey Rd. Columbus, OH 43210-1044 (614) 292-1607

South Dakota State Univ. Ag Comm. Center Box 2231

Brookings, SD 57007-0892 (605) 688-5628

University of Wisconsin

Cooperative Extension Publications

Rm. 245

30 N. Murray St

Madison, WI 53715-2609

  • 608) 262-3346
  • Publishing state

For copies of this and other North Central Regional Extension publications, write to: Publications Office, Cooperative Extension Service, in care of the university listed above for your state. If they do not have copies or your state is not listed above, contact the publishing state as specified.

Programs and activities of the Cooperative Extension Service are available to all potential clientele without regard to race, color, sex, national origin, religion, age or disability. In cooperation with NCR Educational Materials Project

Issued in furtherance of Cooperative Extension work, Acts of Congress of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture and Cooperative Extension Services of Illinois, Indiana, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin. Gail Imig, director, MSU Extension, East Lansing, Michigan 48824.

Major Rev. 11:94-35M-LJ-IN, Price 500, Single copy free to Michigan residents. File: Gardening - Flowers.

The flowers listed in the illustration at the top of page 9 in NCR 556, "Growing Perennials" are ANNUALS. Following is the correct version for PERENNIALS. We are sorry for any difficulties this has caused.

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