Galium boreale (Northern Bedstraw)
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Galium concinnum (Shining Bedstraw)
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Gaura biennis (Biennial Gaura)
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Biennial Gaura establishes in a prairie planting early, giving the area much-deserved early color in year two and blooming in the somewhat dreary month of September.
Gaura coccinea (Scarlet Gaura)
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Gaura longiflora (Large-flowered Gaura)
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Gentiana andrewsii (Bottle Gentian)
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Bottle Gentian are slow-growing but long-lived and require little care once established. Bumblebees are the main pollinators because they are the only insects strong enough to pry open the closed flowers. Cream Gentian is the first Gentian to bloom in late summer. Bottle Gentian and others (see our website) may wait until September or October to lend late-season color to mostly sunny sites in medium-wet to medium-dry soils.
Gentiana crinita (Fringed Gentian)
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Gentiana crinita is a biennial; it grows vegetatively during the first year and completes its life cycle during the second but will re-seed! Fringed Gentian flowers open on sunny days, but generally remain closed on cloudy days.
Gentiana flavida (Cream Gentian)
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Cream Gentian are slow-growing but long-lived and require little care once established. Bumblebees are the main pollinators because they are the only insects strong enough to pry open the closed flowers. Cream Gentian is the first Gentian to bloom in late summer.
Gentiana quinquefolia (Stiff Gentian)
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Stiff Gentian is a biennial; it grows vegetatively during the first year and completes its life cycle during the second but will re-seed.
Geranium maculatum (Wild Geranium)
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Wild Geranium is a species familiar to many of us from woodland floors. Easy to transplant, it does well in full sunlight, too.
Geum aleppicum (Yellow Avens)
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Geum triflorum (Prairie Smoke)
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The silky, flowing styles of the fruiting stage of Prairie Smoke, never fail to win admirers at first sight. When setting seed, large stands of the plant create a gauzy effect that resembles smoke hovering close to the ground. Prairie Smoke should grow well in zones 3-9 in fertile, yet well-drained soils.
Glycyrrhiza lepidota (Wild Licorice)
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Gnaphalium obtusifolium (Sweet Everlasting)
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Sweet Everlasting has a wonderful maple syrup smell.
Helenium autumnale (Sneezeweed)
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Sneezeweed sets large and numerous daisy-like, yellow flowers that can provide welcome color in late summer and autumn when many other blossoms have disappeared. Sneezeweed prefers full to partial sun and wet to wet-medium soils. Despite its common name, it presents no problems for most allergy sufferers. Its pollen is distributed by insects, not wind.
Helenium flexuosum (Purple-headed Sneezeweed)
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Helianthus giganteus (Tall Sunflower)
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Helianthus grosseserratus (Saw-tooth Sunflower)
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Saw-tooth Sunflower can reach heights of 8 feet and blooms well into the fall.
Helianthus maximiliani (Maximilian's Sunflower)
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Helianthus mollis (Downy Sunflower)
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Characteristic fine, soft, downy hairs cover the stems and leaves of Downy Sunflower, giving it a blueish-gray-green appearance.
Helianthus occidentalis (Western Sunflower)
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This is a well-behaved Sunflower compared to some of the other more aggressive Helianthus species. It is also one of the shorter native Sunflowers reaching maximum heights of 3'. Western Sunflower has attractive, red, leaf-less stems.
Helianthus pauciflorus (Showy Sunflower)
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Also known as Helianthus rigidus or H. laetiflorus (Stiff or Prairie Sunflower), Showy Sunflower is host to the Gorgone
Checkerspot, a butterfly that is restricted to high quality prairie dry
remnants.
Helianthus strumosus (Pale-leaved Sunflower)
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Heliopsis helianthoides (Early Sunflower)
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It is possible to hike from a fairly moist, almost wetland situation to the driest south facing hillside and Early Sunflower can be found all along the way.
Heracleum maximum (Cow Parsnip)
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Heuchera richardsonii (Prairie Alumroot)
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Hibiscus lasiocarpos (Hairy Rose Mallow)
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Hairy Rose Mallow has beautiful, large 5" flowers with a variety of color from white to deep pink; highly recommended for home landscaping.
Hibiscus militaris (Rose Mallow)
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The large, lovely and plentiful blossoms of Hibiscus militaris evoke associations with its more tropical cousins in southeast settings. It is also frequently called Hibiscus laevis.
Hibiscus palustris (Swamp Rose Mallow)
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Hibiscus palustris is considered a subspecies of H. moscheutos (H. moeschutos palustris)
Hieracium canadense (Canada Hawkweed)
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Houstonia longifolia (Longleaf Bluets)
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Hydrastis canadensis (Goldenseal)
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Hydrophyllum appendiculatum (Great Waterleaf)
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Hydrophyllum virginianum (Virginia Waterleaf)
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The name Hydrophyllum means 'water'; notice how the early season leaves of the Virginia Waterleaf appear to have water droplets (click on product to view all images...)
Hypericum punctatum (Dotted St. John's Wort)
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Hypericum pyramidatum (Great St. John's Wort)
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Hypericum sphaerocarpum (Round-fruited St. John's Wort)
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Hypericum virginicum (Marsh St. John's Wort)
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Hypoxis hirsuta (Yellow Star Grass)
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This unique plant has yellow flowers that are shaped like stars. Did you know that Yellow Star Grass is a relative of the Amaryllis?!
Iliamna remota (Kankakee Mallow)
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Impatiens capensis (Spotted Touch-me-not)
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If you have ever seen a Jewelweed plant in bloom with dew hanging on it, the reason it is called Jewelweed is obvious.
Impatiens pallida (Yellow Jewelweed)
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If you have ever seen a Jewelweed plant in bloom with dew hanging on it, the reason it is called Jewelweed is obvious. Watch a VIDEO
about Impatiens or view our blog on how to collect Impatiens seed.
Ipomoea leptophylla (Bush Morning Glory)
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Due to its large root system, Bush Morning Glory (also called Man Root) is very
drought-tolerant. But, it is also difficult to move once established so choose your spot wisely.
Iris versicolor (Northern Blue Flag Iris)
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Iris versicolor has deep blue to purple flowers, the foliage is sword-like, and the flowers are complex and very showy. Other common names are Blue Flag Iris, Harlequin Blue Flag, Northern Iris, and Wild Iris.
Iris virginica shrevei (Southern Blue Flag Iris)
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The bloom color of Southern Blue Flag Iris is somewhat variable but is most often a medium to pale blue violet.
Isopyrum biternatum (False Rue Anemone)
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False Rue Anemone is similar in appearance to Rue Anemone (Anemonella thalictroides) which has pink blooms. Both are found in the same spring woodland habitats.
Jeffersonia diphylla (Twinleaf)
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