Sources

We proudly research, grow, and write about our plants the old fashioned way - by hand. Information provided is based on our own experience as well as research gathered from reputable sources: books, periodicals, and select internet resources.

Adams, James. Landscaping with Herbs. Timber Press (OR), 1987.

Armitage, Allan M. Armitage’s Garden Perennials. Timber Press (OR), 2000.

Armitage, Allan M. Armitage’s Manual of Annuals, Biennials, and Half-Hardy Perennials. Portland, Or., Timber Press, 2001.

Booth, Abigail. The Wild Dyer : A Maker’s Guide to Natural Dyes with Projects to Create and Stitch. Hudson, New York, Princeton Architectural Press, 2019.

Boutrup, Joy, and Catharine Ellis. The Art and Science of Natural Dyes : Principles, Experiments, and Results. Atglen, Pa, Schiffer Publishing, Ltd, 2018.

Britton, Nathaniel Lord, and Addison Brown. An Illustrated Flora of the Northern United States, Canada and the British Possessions from Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian. New York : Scribner, 1947.

Chatto, Beth, and Steven Wooster. Beth Chatto’s Green Tapestry Revisited : A Guide to a Sustainably Planted Garden. London, Berry & Co Publishing, 2021.

---. Beth Chatto’s Shade Garden : Shade-Loving Plants for Year-Round Interest. London, Pimpernel Press, 2017.

---. Drought-Resistant Planting : Lessons from Beth Chatto’s Gravel Garden. London, Frances Lincoln Limited Publishers, 2016.

Clebsch, Betsy, and Carol D Barner. The New Book of Salvias. Timber Press (OR), 2008.

Clemants, Steve, and Carol Gracie. Wildflowers of the Northeast : A Field Guide to Wildflowers of the Northeastern United States and Southeastern Canada. New York ; Oxford, Oxford University Press, 2006.

Darke, Rick. The Color Encyclopedia of Ornamental Grasses : Sedges, Rushes, Restios, Cat-Tails, and Selected Bamboos. Portland, Or., Timber Press, 2005.

Dean, Jenny. Wild Color: The Complete Guide to Making and Using Natural Dyes. London, Mitchell Beazley, 2010.

Dirr, Michael A. Dirr’s Encyclopedia of Trees and Shrubs. Portland, Timber Press, 2017.

Dirr, Michael, and Keith S Warren. The Tree Book : Superior Selections for Landscapes, Streetscapes, and Gardens. Portland, Oregon, Timber Press, 2019.

Elliman, Ted, and New England Wildflower Society. Wildflowers of New England. Portland, Oregon, Timber Press, 2016.

Foster, H Lincoln. Rock Gardening. Timber Press (OR), 1982.

Glattstein, Judy. The American Gardener’s World of Bulbs. Little Brown, 1994.

Graham Stuart Thomas. The Graham Stuart Thomas Rose Book. Portland, Or., Sagapress/Timber Press, 1994.

Greenlee, John. The Encyclopedia of Ornamental Grasses. Rodale Books, 1992.

Henk Gerritsen, and Piet Oudolf. Dream Plants for the Natural Garden. London, Frances Lincoln, 2013.

Hinkley, Daniel J. The Explorer’s Garden. Timber Press (OR), 1999.

Jānis Rukšāns. Buried Treasures : Finding and Growing the World’s Choicest Bulbs. Portland, Or., Timber Press, 2007.

Lorimer, Uli. The Northeast Native Plant Primer : 235 Plants for an Earth-Friendly Garden. Portland, Oregon, Timber Press, 2022.

Martin, Alexander C., et al. American Wildlife and Plants. McGraw Hill Book Company, 1951.

Newcomb, Lawrence. Newcomb’s Wildflower Guide : An Ingenious New Key System for Quick, Positive Field Identification of the Wildflowers, Flowering Shrubs and Vines of Northeastern and North-Central North America. Boston, Little, Brown, 2011.

Newsholme, Christopher. Willows: The Genus Salix. Timber Press (OR), 1 Jan. 2003.

Phillips, Roger, and Martyn Rix. Perennials: Early Perennials. Random House (NY), 1991.

---. Perennials: Late Perennials. Random House (NY), 1991.

---. Shrubs. Random House (NY), 1989.

Piet Oudolf, et al. Planting the Natural Garden. Portland, Oregon, Timber Press, 2019.

Raven, Sarah, and Jonathan Buckley. Wild Flowers. London, Bloomsbury Publishing, 2019.

Rice, Graham. Powerhouse Plants. Timber Press, 15 Jan. 2013.

Richard Hart Uva, et al. Weeds of the Northeast. Comstock Publishing Associates, 1997.

Scanniello, Stephen, and Tania Bayard. Climbing Roses. Prentice Hall, 1994.

Sterndale-Bennett, Jane. The Horticulture Gardener’s Guides - the Winter Garden. Horticulture Books, 11 Oct. 2006.

Stuart Thomas, Graham. Perennial Garden Plants, Or, the Modern Florilegium. Timber Press (OR), 1990.

Vejar, Kristine, and Sara Remington. The Modern Natural Dyer : A Comprehensive Guide to Dyeing Silk, Wool, Linen, and Cotton at Home. New York, Stc Craft, 2015.

Ward, Peter. Primroses and Auriculas. Cassell Illustrated, 2003.

Wilhelm Schacht, et al. Hardy Herbaceous Perennials: Volume I, A-K. Portland, Timber Press, 2001.

---. Hardy Herbaceous Perennials: Volume II, L-Z. Portland, Timber Press, 2001.

Wolfram George Schmid. An Encyclopedia of Shade Perennials. Portland, Or., Timber Press, 2002.

Wresch, Ruth D. The Essence of Herbs: An Environmental Guide to Herb Gardening. The University of Mississippi Press, 1992.

American Gardener, published by American Horticultural Society

Gardens Illustrated, published by Our Media Limited

Rock Garden Quartlery, published by North American Rock Garden Society

The Plant Review, published by The Royal Horticultural Society

Chicago Botanic Garden. “Plant Finder.” www.chicagobotanic.org, www.chicagobotanic.org/plantfinder.

Invasive Plant Atlas of The United States. “Invasive Plant Atlas of the United States - Database of Plants Invading Natural Areas: Invasive Plant Atlas of the United States.” www.invasiveplantatlas.org, www.invasiveplantatlas.org/.

Lady Bird Johnson Wildflower Center - The University of Texas at Austin. “Find Plants.” Wildflower.org, 2019, www.wildflower.org/plants/.

Missouri Botanical Garden. “Plant Finder.” Missouribotanicalgarden.org, 2019, www.missouribotanicalgarden.org/PlantFinder/PlantFinderSearch.aspx.

Native Plant Trust. “Full Key for Plant Identification.” Nativeplanttrust.org, 2019, gobotany.nativeplanttrust.org/full/.

North American Rock Garden Society. “Plant of the Month.” Nargs.org, www.nargs.org/.

The Morton Arboretum. “Trees and Plants.” The Morton Arboretum, mortonarb.org/plant-and-protect/trees-and-plants/.

U.S. Forest Service. “Invasive Plants.” www.fs.usda.gov, www.fs.usda.gov/wildflowers/invasives/index.shtml.

USDA. “PLANTS Database.” Usda.gov, 2016, plants.usda.gov/.

---. “National Invasive Species Information Center.” www.invasivespeciesinfo.gov, www.invasivespeciesinfo.gov/us.

---. “USDA Plants Database.” Usda.gov, 2025, plants.usda.gov/noxious-invasive-search. Accessed 30 Nov. 2025.

*Misinformation proliferates on the internet. We do our best to only use the most reputable sources. Listed above are a few of our favorite non-AI-gernated sources.