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Iris pumila 'Prolific Purple' May 6 2007 036Plant Information Links

Penstemons for Green Roofs in the Midwest By Brent Horvath from greenroofs.com

Intrinsic Perennial Gardens and its owners are members/supporters of the following organizations or organizations:

American Hemerocallis Society

American Hosta Society

American Penstemon Society

American Peony Association

Angelus – Home~Garden~LifestyleA GREAT PLACE BUY OUR PLANTS LOCALLY!

Canadian Ornamental Plant Foundation

Chicago Botanic Garden

Chicagoland Grows, Inc.

Dragonfly Watercolors

Garden Gate Magazine

Greenroofs.com

Green Roof Solutions

HardyGeraniums.com

HGTV Growers

Illinois Green Industry Association

iLandscape Show

Illinois Landscape Contractors Association

International Plant Propagators Association

Illinois Wildflowers

Intrinsic Landscaping

Lost in the Flowers

The Morton Arboretum

The North American Rock Garden Society

The Perennial Diva is Stephanie Cohen

Perennial Plant Association

Perennials in Focus

The Penstemon Website

Plant Haven Inc.

Plants Nouveau

The Royal Horticultural Society

Sedum Society

Sedumphotos.net

Timber Press: Books on Gardening and Horticulture

United States Department of Agriculture

The United States Patent Office

Vitro Westland

Plant Nursery Links:

Art Form Nurseries

Bluebird Nursery, Inc.

Blooming Nursery

Busse Gardens

Creek Hill Nursery

Darwin Plants

Emerald Coast Growers

Euroamerian Propagators

Great Garden Plants

Greenleaf Plants

Green Roof Plants

Gulley Greenhouse and Garden

Hoffman Nursery‚ÄĒOrnamental and Native Grasses

Intrinsic Landscaping

James Greenhouses

Jelitto

Klehm’s Song Sparrow Perennial Farm

Kurt Bluemel, Inc.

Lovett Farms

Northcreek Nurseries

Northwest Horticulture

Northwind Perennial Farm

Microplant

Pacific Plug and Liner

Papio Valley Nursery

Pioneer Gardens Inc.

Plant Delights Nursery

Prairie Moon Nursery

The Primrose Path

Ritter Perennials

Skagit Gardens

Stonehouse Nursery LLC

Sunny Border

Valleybrook

Van Hoorn Nurseries

Walla Wall Nursery

Walters Gardens