This Bibliography contains great resources for all types companion planting.
Adams, Sheena, “Using wood ash in the garden,” Garden Wise, www.gardenwiseonline.ca/gw/sustainable-gardening/2006/11/01/using-wood-ash-garden, accessed January 12, 2010.
“Adam’s Needle,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Yucca.htm, accessed January 30, 2010.
“Balloon Flower,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Platycodon.htm, accessed January 23, 2010.
Baltz, Dottie, “Companion Planting,” www.gardensandcrafts.com/CompanionPlanting.pdf, accessed December 20, 2009.
Beaulieu, David, “Companion Planting,” http://landscaping.about.com/cs/soilsfertilizers/a/companion_plant.htm, accessed January 14, 2010.
Beaulieu, David, “English Ivy Plants,” http://landscaping.about.com/od/groundcovervines1/p/english_ivy.htm, accessed February 10, 2010.
Beaulieu, David, “How to Kill Grass,” http://landscaping.about.com/od/alternativestograss/a/how_kill_grass.htm, accessed January 14, 2010.
Beaulieu, David, “Poison Sumac: Exception, Not the Rule,” http://landscaping.about.com/cs/landscapecolor/a/sumac_2.htm, accessed February 10, 2010.
Beaulieu, David, “Rose of Sharon Bush,” http://landscaping.about.com/od/shrubsbushes/p/rose_of_sharon.htm, accessed February 10, 2010.
“Beneficial Insects,” basic-info-4-organic-fertilizers.com, www.basic-info-4-organic-fertilizers.com/beneficialinsects.html, accessed January 12, 2010.
“Bleeding Heart,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Dicentra.htm, accessed February 23, 2010.
“Blueberries,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Fruits/Blueberry.htm, accessed January 30, 2010.
Brown, Ellen, “Growing Blueberries,” Thriftyfun, www.thriftyfun.com/tf31995840.tip.html, accessed January 28, 2010.
“Burning Bush,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Euonymous.htm, accessed January 30, 2010.
“Buttonbush,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Cephalanthus.htm, accessed January 30, 2010.
“Buttonbush,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/buttonbush.htm, accessed January 24, 2010.
Chalker-Scott, Linda, “The Myth of Companion Plantings,” Puyallup Research and Extension Center, Washington State University, www.puyallup.wsu.edu/~Linda%20Chalker-Scott/Horticultural%20Myths_files/Myths/Companion%20plants.pdf, accessed January 12, 2010.
Cheever, Jenney, “Companion Plants for Fruit Trees,” Life 123, www.life123.com/home-garden/trees-shrubs/fruit-trees/companion-plants.shtml, accessed January 30, 2010.
Chernega, Carol, “Cotton Lavender,” English Garden Site of Bella Online, www.bellaonline.com/articles/art25463.asp, accessed January 17, 2010.
“Chrysanthemum,” Gardenguides.com, www.gardenguides.com/149-chrysanthemum-chrysanthemum-garden-basics-flower-perennial.html, accessed December 22, 2009.
“Clematis Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Clematis.htm, accessed January 28, 2010.
“Climbing Bittersweet,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/climbing_bittersweet.htm, accessed January 28, 2010.
Cohen, Dan, “Iowa’s Shrubs and Vines,” Iowa Association of Naturalists www.extension.iastate.edu/Publications/IAN307.pdf, accessed February 19, 2010.
“Common Elderberry,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/common_elderberry.htm, accessed January 27, 2010.
“Companion Planting,” www.dgsgardening.btinternet.co.uk/companion.htm, accessed January 12, 2010.
“Companion Planting,” Golden Harvest Organics, www.ghorganics.com/page2.html, accessed February 1, 2010.
“Companion Planting,” Sustainable Gardening Australia, www.sgaonline.org.au/?p=207, accessed February 22, 2010.
“Companion Planting; Bedfellows in the Garden,” Our Garden Gang, http://ourgardengang.tripod.com/companions.htm#att, accessed January 12, 2010.
“Companion Planting: How to get your vegetables growing even better,” The Vegetable Patch, www.thevegetablepatch.com/companion.htm, accessed January 12, 2010.
“Companion Plants: Insect-Repellant Plants – Beneficial Insects,” Rex Research, www.rexresearch.com/agro/comp1.htm, accessed February 23, 2010.
“Composting Instructions: How to Compost at Home,” Composting Instructions, http://compostinstructions.com/how-to-use-compost-in-your-yard-and-garden, accessed January 10, 2010.
“Cotoneaster,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Cotoneaster.htm, accessed January 30, 2010.
“Creeping Phlox,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Phlox%20subulata.htm, accessed February 23, 2010.
Cunningham, Sally Jean, Great Garden Companions, A Companion-Planting System for a Beautiful, Chemical-free Vegetable Garden, Emmaus, Pennsylvania: Rodale Press. 1978
Davis, Dee, “Pear Tree Companion planting,” eHow.com, www.ehow.com/way_5801730_pear-tree-companion-planting.html, accessed March 15, 2010.
“Daylily,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Hemerocallis.htm, accessed January 28, 2010.
“Deutzia,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Deutzia.htm, accessed January 30, 2010.
“Digs, Dwellings, and Dens,” Wild About Gardening, www.wildaboutgardening.org/en/dig_dwell_den/section2/index.htm#l4, accessed January 11, 2010.
“Dutchman’s Pipe,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Aristolochia.htm, accessed January 28, 2010.
“English Ivy,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Ground_Cover/Hedera.htm, accessed January 28, 2010.
Erney, Diana, “Long live the Three Sisters,” Organic Gardening, November 1996. p. 37-40. Retrieved Dec. 21, 2009
Evans, Erv, “American Elderberry,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/sambucus_canadensis.html, accessed January 24, 2010
Evans, Erv, “Attracting Birds: Shrubs,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/birds/text/bird_shrubs.html, accessed January 24, 2010.
Evan’s Erv, “Attracting Birds: Vines,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/birds/text/bird_vines.html, accessed February 1, 2010.
Evans, Erv, “Attracting Hummingbirds: Shrubs,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/birds/text/hbird_shrubs.html, accessed January 24, 2010.
Evans, Erv, “Blackhawa viburnum,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/viburnum_prunifolium.html, accessed January 24, 2010.
Evans, Erv, “Boston Ivy; Japanese creeper,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/parthenocissus_tri.html, accessed January 24, 2010.
Evans, Erv, “Butterfly bush,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/buddleia_davidii.html, accessed January 24, 2010.
Evans, Erv, “Cinnamonbark clethra: Mountain pepperbush,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/clethra_acuminata.html, accessed January 24, 2010.
Evans, Erv, “Dutchman’s Pipe,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/aristolochia_durior.html, accessed January 24, 2010.
Evans, Erv, “English Ivy,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/hedera_helix.html, accessed January 28, 2010.
Evans, Erv, “Hercules’ club/Devil’s walking stick,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/aralia_spinosa.html, accessed January 24, 2010.
Evans, Erv, “Japanese honeysuckle,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/lonicera_japonica.html, accessed January 24, 2010.
Evans, Erv, “Maple leaf viburnum,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/viburnum_acerifolium.html, accessed January 24, 2010.
Evans, Erv, “Oakleaf hydrangea,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/hydrangea_quercifolia.html, accessed January 24, 2010.
Evans, Erv, “Oriental bittersweet,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/celastrus_orbiculatus.html, accessed January 26, 2010.
Evans, Erv, “Rose-of-Sharon; Shrub althea,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/hibiscus_syriacus.html, accessed January 24, 2010.
Evans, Erv, “Scottish broom,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/cytisus_scoparius.html, accessed January 24, 2010.
Evans, Erv, “Siebold viburnum,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/viburnum_sieboldii.html, accessed January 24, 2010
Evans, Erv, “Spice bush,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/lindera_benzoin.html, accessed January 24, 2010.
Evans, Erv, “Summersweet; Sweet pepperbush; Clethra,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/shrubs/clethra_alnifolia.html, accessed January 24, 2010.
Evans, Erv, “Trumpet creeper; Trumpet vine,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/campsis_radicans.html, accessed January 28, 2010.
Evans, Erv, “Trumpet honeysuckle; Coral honeysuckle,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/lonicera_sempervirens.html, accessed January 28, 2010.
Evans, Erv, “Virginia creeper,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/vines/parthenocissus_quinque.html, accessed January 24, 2010.
Evans, Erv, “Virginia rose,” North Carolina State University, www.ces.ncsu.edu/depts/hort/consumer/factsheets/native/rosa_virginiana.html, accessed January 24, 2010.
“False Spirea/Feather Flower,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Astilbe.htm, accessed February 23, 2010.
Flanigan, Lorraine, “Mulching 101,” Canadian Gardening, www.canadiangardening.com/how-to/gardening-basics/mulching-101/a/22278, accessed January 11, 2010.
“Forsythia,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Forsythia.htm, accessed January 30, 2010.
“Fothergilla,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Fothergilla.htm, accessed January 30, 2010.
“Golden Privett,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Ligustrum.htm, accessed January 30, 2010.
“Growing Superb Gardens and Plants,” http://gardenhobbies.com/flower/chrysanthemum.html, accessed December 22, 2009.
Haase, Janette, From Seed to Table – A Practical Guide to Eating and Growing Green, London, Ontario: Insomniac Press, 2009.
7Hill, Stuart B., “Companion plants,” Ecological Agriculture Projects, http://eap.mcgill.ca/publications/EAP55.htm, accessed January 4, 2010.
“Honeysuckle Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Lonicera.htm, accessed January 28, 2010.
“Hosta,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Hosta.htm, accessed February 23, 2010.
“How to Grow Achillea Perennial Flower Plants,” The Gardener’s Network, www.gardenersnet.com/flower/achillea.htm, accessed January 20, 2010.
“How to Grow and Care for Alyssum Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/alyssum.htm, accessed January 20, 2010.
“How to Grow and care for Amaranth Flower,” The Gardener’s Network, www.gardenersnet.com/flower/amaranth.htm, accessed January 20, 2010.
“How to Grow and Care for Amaryllis Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/amaryllis.htm, accessed January 11, 2010.
“How to Grow and Care for Aster Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/aster.htm, accessed January 11, 2010.
“How to Grow and Care for Azalea Bushes,” The Gardener’s Network, www.gardenersnet.com/tree/azalea.htm, accessed January 20, 2010.
“How to Grow and Care for Bachelor Buttons,” The Gardener’s Network, www.gardenersnet.com/flower/bachelor.htm, accessed January 20, 2010.
“How to Grow and Care for Blanketflower,” The Gardener’s Network, www.gardenersnet.com/flower/blanketflower.htm, accessed January 20, 2010.
“How to Grow and Care for Calendula Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/calendula.htm, accessed January 20, 2010.
“How to Grow and Care for Cosmos Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/cosmos.htm, accessed January 20, 2010.
“How to Grow and Care for Cypress Vine,” The Gardener’s Network, www.gardenersnet.com/flower/cypressvine.htm, accessed February 1, 2010.
“How to Grow and Care for Lilac Bushes,” The Gardener’s Network, www.gardenersnet.com/flower/lilac.htm, accessed February 1, 2010.
“How to Grow and Care for Rhododendrons,” The Gardener’s Network, www.gardenersnet.com/tree/rhododendron.htm, accessed January 20, 2010.
“How to Grow and Care for Rock Cress Plant,” The Gardener’s Network, www.gardenersnet.com/flower/rockcress.htm, accessed January 20, 2010.
“How to Grow and Care for Trumpet Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/trumpetflowervine.htm, accessed February 1, 2010.
“How to Grow Blazing Star, Liatris Flowering Plants,” The Gardener’s Network, www.gardenersnet.com/bulbs/blazingstarliatris.htm, accessed January 17, 2010.
“How to Grow Chrysanthemums,” The Gardener’s Network, www.gardenersnet.com/flower/mums.htm, accessed January 20, 2010.
“How to Grow Coreopsis Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/coreopsis.htm, accessed January 20, 2010.
“How to Grow Daffodil Flowering Bulbs,” The Gardener’s Network, www.gardenersnet.com/flower/daffodil.htm, accessed January 17, 2010.
“How to Grow Dahlia Flower Plants,” The Gardener’s Network, www.gardenersnet.com/flower/dahlia.htm, accessed January 20, 2010.
“How to Grow Four O’Clock Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/fouroclock.htm, accessed January 20, 2010.
“How to Grow Foxglove Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/foxglove.htm, accessed January 20 ,2010.
“How to Grow Delphinium Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/delphinium.htm, accessed January 20, 2010.
“How to Grow Geraniums,” The Gardener’s Network, www.gardenersnet.com/flower/geranium.htm, accessed January 20, 2010.
“How to Grow Gladiolus Flowers,” The Gardener’s Network, www.gardenersnet.com/bulbs/gladiolus.htm, accessed January 14, 2010.
“How to Grow Grapes,” eHow, www.ehow.com/how_172717_grow-grapes.html, accessed January 24, 2010.
“How to Grow Hyacinth Flowering Bulbs,” The Gardener’s Network, www.gardenersnet.com/flower/hyacinth.htm, accessed January 17, 2010.
“How to Grow Larkspur Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/larkspur.htm, accessed January 20, 2010.
“How to Grow Marigold Plants,” The Gardener’s Network, www.gardenersnet.com/flower/marigold.htm, accessed January 20, 2010.
“How to Grow Nasturtium Plants,” The Gardener’s Network, www.gardenersnet.com/flower/nasturt.htm, accessed January 20, 2010.
“How to Grow Petunias,” The Gardener’s Network, www.gardenersnet.com/flower/petunia.htm, accessed January 20, 2010.
“How to Grow Raspberries,” eHow, www.ehow.com/how_2100127_grow-raspberries.html, accessed January 25, 2010.
“How to Grow Rhubarb,” eHow, www.ehow.com/how_2006_grow-rhubarb.html, accessed February 23, 2010.
“How to Grow Snow Crocus,” The Gardener’s Network, www.gardenersnet.com/bulbs/crocus.htm, accessed January 12, 2010.
“How to Grow Strawberries,” eHow, www.ehow.com/how_2000_grow-strawberries.html, accessed February 10, 2010.
“How to Grow Sunflower Plants,” The Gardener’s Network, www.gardenersnet.com/vegetable/sunflowr.htm, accessed January 20, 2010.
“How to Grow Sweet Pea Flower Plants,” The Gardener’s Network, www.gardenersnet.com/flower/sweetpea.htm, accessed January 20, 2010.
“How to Grow Tansy Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/tansy.htm, accessed January 20, 2010.
“How to Grow Tithonia Mexican Sunflower Plants,” The Gardener’s Network, www.gardenersnet.com/flower/tithonia.htm, accessed January 20, 2010.
“How to Grow Tulips, King of the Flowering Bulbs,” The Gardener’s Network, www.gardenersnet.com/bulbs/tulips.htm, accessed January 17, 2010.
“How to Grow Vinca or Periwinkle Plants,” The Gardener’s Network, www.gardenersnet.com/flower/vincaperiwinkle.htm, accessed January 20, 2010.
“How to Grow Zinnia Flowers,” The Gardener’s Network, www.gardenersnet.com/flower/zinnia.htm, accessed January 20, 2010.
“How to Mulch,” How Stuff Works, http://home.howstuffworks.com/how-to-mulch.htm, accessed January 11, 2010.
“How to use Flowering Quince in Your Landscape,” Do It Yourself, www.doityourself.com/stry/how-to-use-a-flowering-quince-in-your-landscape, accessed February 10, 2010.
Hunter, Lorraine, “Witch hazel: A Tree that Blooms in Winter,” Canadian Gardening, www.canadiangardening.com/plants/trees-and-shrubs/witch-hazel-a-tree-that-blooms-in-winter/a/1344, accessed February 14, 2010.
Iannoti, Marie, “Garden Maintenance – Pinching, Deadheading, and Cutting Back,” About.com, http://gardening.about.com/od/gardenprimer/ss/GardenMaint_9.htm, accessed January 12, 2010.
Iannoti, Marie, “Growing Blueberries,” About.com, http://gardening.about.com/od/berries/a/Blueberries.htm, accessed March 15, 2010.
Iannoti, Marie, “Perennial Gardening – How to Divide Perennial Plants,” About.com, http://gardening.about.com/od/perennials/ss/DividingSBS_10.htm, accessed January 12, 2010.
Iannoti, Marie, “Shrubs for Seasonal Interest, Attracting Birds, and All Around Beauty,” About.com, http://gardening.about.com/od/treesshrubs/ig/Top-Shrubs-for-the-Home-Garden, accessed February 15, 2010.
Iannoti, Marie, “Viburnums,” About.com, http://gardening.about.com/od/treesshrubs/a/Viburnums.htm, accessed February 15, 2010.
“Japanese Honeysuckle,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/japanese_honeysuckle.htm, accessed January 28, 2010.
“Japanese Hydrangea Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Schizophragma.htm, accessed January 28, 2010.
“Japanese Spirea,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Spiraea.htm, accessed 1/30/10.
Lerner, B. Rosie, “Annual Versus Perennial Flowers,” www.hort.purdue.edu/ext/annper.html, accessed January 28, 2010.
Little, Brenda, Secrets of Companion Planting: Plants that help, Plants that Hurt, Sandy, Utah: Silverleaf Press 2008.
“Lily of the Valley,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Convallaria.htm, accessed January 28, 2010.
“List of Companion Plants,” http://en.wikipedia.org/wiki/List_of_companion_plants, accessed December 1, 2009.
Lord, Tony, Encyclopedia of Planting Combinations, Buffalo, New York: Firefly Books (US) Inc. 2008.
McIntosh, Jamie, “Get Rid of Squirrels in the Garden,” Suite101, http://organicgardens.suite101.com/article.cfm/get_rid_of_squirrels_in_the_garden%20january%2010.10, accessed January 10, 2010.
McMillan, Stuart, “Predator Profile: Minute Pirate Bug,” The Canadian Organic Grower, www.cog.ca/documents/PredatorProfileSU07.pdf, accessed January 12, 2010.
Musial, Peggy, “Mulch Types: Advantages vs. Disadvantages: Cover all the bases when choosing right mulch,” Orlando Sentinel, August, 17, 2002 www.gomulch.com/index.cfm/name-sentinel, accessed January 12, 2010.
“Natural Pest Control,” Grinning Planet, www.grinningplanet.com/2005/04-26/beneficial-insect-natural-pest-control-article.htm, accessed January 12, 2010.
Newman, Lauri, “Fruit Trees and Family Friends: Beneficial Plant Neighbors Make Balanced Ecosystems,” The Free Library.com, www.thefreelibrary.com/Fruit+trees+and+family+friends:+beneficial+plant+neighbors+make...-a0170927545, accessed March 15, 2010.
“Ornamental Elderberry,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Sambucus.htm, accessed January 30, 2010.
“Paperwhite Narcissus Flowering Bulbs,” The Gardener’s Network, www.gardenersnet.com/bulbs/paperwhite.htm, accessed January 17, 2010.
“Passion Fruit,” California Rare Fruit Growers, www.crfg.org/pubs/ff/passionfruit.html, accessed February 2, 2010.
“Peony,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Paeonia%20suffruticosa.htm, accessed February 23, 2010.
“Perennial Plants,” http://en.wikipedia.org/wiki/Perennial_plant, accessed December 1, 2009.
Phillips, Ellen Rodale’s Illustrated encyclopedia of Perennials, Emmaus, Pennsylvania: Rodale Press 1993.
“Pinks/Carnations,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Dianthus.htm, accessed February 23, 2010.
“Plains Coreopsis,” http://en.wikipedia.org/wiki/Plains_coreopsis, accessed December 22, 2009.
“PlantFiles: Tropical Hydrangea, Pink-Ball,” Dave’s Garden, http://davesgarden.com/guides/pf/go/54587, accessed January 28, 2010.
“Porcelain Berry Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Ampelopsis.htm, accessed January 28, 2010.
“Privet,” http://en.wikipedia.org/wiki/Privet, accessed December 1, 2009.
“Purple Leaf Akebia,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Akebia.htm, accessed January 28, 2010.
Pyle, Robert Michael, National Audubon Society Field Guide to North American Butterflies. New York: Alfred A. Knopf, 1981.
“Pyrethrum,” http://en.wikipedia.org/wiki/Pyrethrum, accessed December 1, 2009.
“Queen Anne’s Lace,” The Gardener’s Network, www.gardenersnet.com/flower/queenann.htm, accessed January 20, 2010.
Rice, Graham, All-in-one Garden: Grow Vegetables, Fruit, Herbs, and Flowers in the Same Space, New York, New York: Sterling Publishing Company Ltd. 2006.
Riotte, Louise, Carrots Love Tomatoes; Secrets of Companion Planting for Successful Gardening, North Adams, MA: Storey Publishing Ltd. 1998
Sanders, April, “How to Deter Rabbits From a Garden,” eHow, www.ehow.com/how_4443152_deter-rabbits-from-garden.html, accessed January 10, 2010
“Silver Lace Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Polygonum.htm, accessed January 28, 2010.
“Smoke Bush,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Trees_Shrubs/Cotinus.htm, accessed January 30, 2010.
“Smooth Sumac,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/smooth_sumac.htm, accessed January 28, 2010.
“Snow on the Mountain,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Aegopodium.htm, accessed January 28, 2010.
“Solomon’s Seal,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Polygonatum.htm, accessed February 23, 2010.
“Spicebush,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/spicebush.htm, accessed January 28, 2010.
“Spiderwort,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Tradescantia.htm, accessed February 23, 2010.
“Spotted Dead Nettle,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Perennials/Lamium.htm, accessed January 28, 2010.
Stewart, Angus, “Fact Sheet: Weed Tea Fertilizer,” Gardening Australia, www.abc.net.au/gardening/stories/s2267268.htm, accessed January 12, 2010.
“Strawberry Bush,” Hilton Pond Center for Piedmont Natural History, www.hiltonpond.org/ThisWeek030915.html, accessed January 14, 2010.
“Tansy,” http://en.wikipedia.org/wiki/Tansy, accessed April 11, 2010.
“The Best Perennial Vines for Your Garden,” Better Homes and Gardens, www.bhg.com/gardening/trees-shrubs-vines/vines/best-perennial-vines/?page=1, accessed February 4, 2010.
“Trumpet Creeper,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/trumpet_creeper.htm, accessed January 28, 2010.
“Trumpet Vine,” Dayton Nurseries, www.daytonnursery.com/Encyclopedia/Vines/Campsis.htm, accessed January 28, 2010.
Uyterhoeven, Sonia, “In Good Company: Companion Planting for Roses,” About.com: Gardening, http://gardening.about.com/od/rose1/a/Rose_Companions.htm, accessed February 23, 2010.
“Virgina Creeper,” Study of Northern Virginia Ecology, www.fcps.edu/islandcreekes/ecology/virginia_creeper.htm, accessed January 28, 2010.
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