Knowledgebase

Search Johnson's Nursery plants or plant matters.

Knowledgebase

Search Johnson's Nursery plants or plant matters.

November 13, 2017
red maple acer rubrum freeman maple crimson king maple royal red maple

What’s A Red Maple, Anyway?

What’s A Red Maple, Anyway? I am often asked if we carry Red Maples at Johnson’s Nursery. My reply is, what do you mean by “red maple”? In this article I break down what is and isn’t a red maple, and why it matters to you. Red Maple The true […]
November 13, 2017
wisconsin natives native categories johnson's nursery ftimg

Wisconsin Natives

Wisconsin Natives At Johnson’s Nursery, we love our native plants. They fill unique roles in our landscapes, are adapted to our soils and climate, and have co-evolved with our other Wisconsin native species to create the mosaic of diversity that is Wisconsin. In addition to their special use by wildlife, […]
November 13, 2017
urban approved johnson's nursery wisconsin plants quercus schuettei hybrid swamp white bur oak ftimg

Urban Approved

Urban Approved The goal of the Urban Approved standard is to be the starting point when selecting plants for difficult sites in built-up areas. Decisions regarding the Urban Approved title are made conservatively, and we will not grant the title to a plant that has not been adequately tested. What […]
March 12, 2017
preferred characteristics of urban plants johnson's nursery quercus robur bicolor regal prince oak ftimg

Preferred Characteristics of Urban Plants

Preferred Characteristics of Urban Plants Featured Image: Exclamation!™ London Planetree, Platanus x acerfolia ‘Morton Circle’ Urban Approved plants should possess one or more attributes that makes them better suited to developed areas over similar species. Broadly, these can be thought of as how these plants interact with the surrounding environment […]
March 12, 2017
structure and disease resistance johnson's nursery urban approved plants ulmus elm ftimg

Structure and Disease Resistance

Structure and Disease Resistance Featured Image: Ulmus spp., Elm Urban Approved plants must have good structure, require low-to-minimal maintenance, and have no major insect and disease issues. These characteristics mean different things for different plant categories, which are explained below. Trees Urban Approved trees must have strong branching that resists […]
March 12, 2017
urban site challenges mill pond johnson's nursery urban approved plants

Urban Site Challenges

Urban Site Challenges Urban Site Challenges Urban Approved plants must be able to reliably grow in harsh urban conditions. These areas are limited by mainly by soil, but also pollution. Urban soils are best described as heterogeneous and extreme. Within a 10 feet by 10 feet square, the soils can […]
December 13, 2010
delft lace astilbe ftimg

PLANT PROFILE:
Delft Lace Astilbe

Delft Lace Astilbe Astilbe x ‘Delft Lace’ PP19,839 Description & Overview Delft Lace Astilbe is a superb addition to eastern exposures with consistent moisture. Its blue-green foliage has a silver overlay in shaded gardens but will develop attractive purple-red margins in locations receiving direct morning sun. The foliage texture is […]
December 7, 2010
fall fiesta sugar maple acer saccharum bailsta ftimg

PLANT PROFILE:
Fall Fiesta® Sugar Maple

Fall Fiesta® Sugar Maple Acer saccharum ‘Bailsta’ PP11,119 Description & Overview Compact and sturdy when young, the Fall Fiesta® Sugar maple matures to a symmetrical, full-sized tree with thick, dark green foliage. It truly shines in autumn, its leaves turning a brilliant mix of red, orange and yellow color! Core […]
December 7, 2010

PLANT PROFILE:
Autumn Blaze® Maple

Autumn Blaze® Maple Acer x freemanii ‘Autumn Blaze’ Description & Overview A rapid grower with an upright oval habit, the Autumn Blaze® Maple has rich dark green foliage which turns a brilliant orange-red in fall. It also holds its color longer than other selections! Core Characteristics Wisconsin Native: No – […]
December 4, 2010
valley forge elm ulmus americana ftimg

PLANT PROFILE:
Valley Forge Elm

Valley Forge Elm Ulmus americana ‘Valley Forge’ Description & Overview Released by the U.S. National Arboretum in 1995 for its high tolerance to Dutch Elm Disease, Valley Forge Elm is a whopping 96% tolerant to Dutch Elm Disease. It also has demonstrated excellent resistance to Elm Leaf Beetle, a serious […]
December 4, 2010
princeton elm ulmus americana ftimg

PLANT PROFILE:
Princeton Elm

Princeton Elm Ulmus americana ‘Princeton’ Description & Overview Princeton Elm is an American Elm selected for its vigorous, upright symmetrical habit. Its large, dark green foliage forms a dense canopy turning yellow in fall. Tolerant of urban conditions and highly resistant to Dutch elm disease, Princeton Elm is an excellent […]
December 1, 2010
sugar maple acer saccharum hard maple rock maple sap syrup ftimg

PLANT PROFILE:
Sugar Maple

Sugar Maple Acer saccharum Description & Overview The Wisconsin State Tree, Sugar Maple is one of the hardiest and long lived of all the maples. Valued commercially for timber and syrup production, this tree is a staple of Wisconsin woodlands and fall color. With fall color ranging from gold to […]
November 30, 2010

PLANT PROFILE:
Celebration® Maple

Celebration® Maple Acer x freemanii ‘Celzam’ Description & Overview Celebration® Maple is a fast growing, seedless selection of Freeman Maple. Its naturally symmetrical habit with strong, open branching structure is well-suited for street and residential use. Crisp green foliage turns an attractive golden-yellow with red hues in fall. Introduced by […]
November 29, 2010
sienna glen maple acer x freemanii sienna ftimg

PLANT PROFILE:
Sienna Glen® Maple

Sienna Glen® Maple Acer x freemanii ‘Sienna’ PP11,322 Description & Overview Sienna Glen® Maple is an excellent alternative to the commonly planted Autumn Blaze Maple with stronger wood and denser branching. Its uniform pyramidal shape and strong central leader make it a close substitute for Ash trees, but with better […]
October 12, 2010
false blue indigo baptisia australis johnson's nursery wisconsin perennial plant ftimg

PLANT PROFILE:
False Blue Indigo

False Blue Indigo Baptisia australis Description & Overview False Blue Indigo is a shrub-like perennial with attractive, soft blue-green foliage all season. In spring, open spikes of 1″ indigo-blue flowers emerge, followed by attractive seedpods that can be used in dried arrangements. While the blooms are early-season, the unique texture […]
October 12, 2010
wild columbine aquilegia canadensis johnson's nursery wisconsin native plants ftimg

PLANT PROFILE:
Wild Columbine

Wild Columbine Aquilegia canadensis Description & Overview Wild Columbine is an interesting shade plant with dainty, fan-shaped foliage. Numerous, nodding red flowers with yellow centers are borne on slender stems in late spring and early summer. Delicately beautiful, this plant is an excellent choice for alkaline environments in partial shade. […]
October 8, 2010
prairie smoke geum triflorum three flowered avens old man's whiskers ftimg

PLANT PROFILE:
Prairie Smoke

Prairie Smoke Geum triflorum Description & Overview Prairie Smoke is an excellent native perennial for all season interest! In spring sprays of pendulous pinkish-white flowers explode into a striking display of smoky-pink feathery plumes creating a billowy cloud of “smoke”. Its fern-like mounds of foliage remain attractive all season and […]
October 8, 2010
fischer monkshood aconitum fischeri wolfsbane azure monks hood ftimg

PLANT PROFILE:
Fischer Monkshood

Fischer Monkshood Aconitum fischeri Description & Overview CAUTION: All parts of this plant are poisonous. Handle with care. The stunning, deep-blue flower spikes of Fischer Monkshood provide a beautiful, (but deadly) vertical accent to the garden. Individual blooms are helmet or hood-shaped. Attractive, deeply lobed foliage makes this plant a […]
September 17, 2010
katsura tree cercidiphyllum japonicum johnson's nursery menomonee falls wisconsin ftimg

PLANT PROFILE:
Katsura Tree

Katsura Tree Cercidiphyllum japonicum Description & Overview Katsura Tree is a first-rate landscape plant with four-season interest and a fine texture. In spring, minute inconspicuous flowers bloom just before the foliage emerges with a reddish-purple color, maturing to a cool-blue green. The heart-shaped leaves turn a spectacular display of yellow […]
September 11, 2010
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PLANT PROFILE:
Common Hackberry

Common Hackberry Celtis occidentalis Description & Overview Common Hackberry, a large, vase-shaped shade tree, excels as an urban planting. It tolerates tough sites and provides interest with its wart-like bark. Core Characteristics Wisconsin Native: Yes USDA Hardiness Zone: to zone 2 Mature Height: 40-60 feet Mature Spread: 40-60 feet Growth […]
August 11, 2010
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PLANT PROFILE:
River Birch

River Birch, Black Birch, Red Birch, Water Birch Betula nigra Description & Overview Excellent for wet soil conditions. Beautiful exfoliating cinnamon-brown bark exposes the pink inner bark. Resistant to bronze birch borer. River birch is also known as Black Birch, Red Birch, and Water Birch. Core Characteristics Wisconsin Native: Yes […]
August 5, 2010
tamarack larix laricina eastern larch american larch hackmatack ftimg

PLANT PROFILE:
Tamarack

Tamarack Larix laricina Description & Overview A deciduous conifer, Tamarack possesses a narrow, open conical form with horizontal branching and drooping secondary branchlets. The soft, bright blue-green foliage turns a rich golden-yellow in fall. A great choice for wet sites! May also be known as Eastern Larch, American Larch, Hackmatack. […]
July 25, 2010
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PLANT PROFILE:
Trevi Fountain Lungwort

Trevi Fountain Lungwort Pulmonaria ‘Trevi Fountain’ PP13,047 Description & Overview Trevi Fountain Lungwort is an excellent low-maintenance perennial for use as a border or groundcover. Its intense blue flowers in early spring add a pop of color when few other perennials are blooming. The low foliage of Trevi Fountain shines […]
July 25, 2010
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PLANT PROFILE:
Zagreb Coreopsis

Zagreb Coreopsis Coreopsis verticillata ‘Zagreb’ Description & Overview Zagreb Coreopsis is a compact, clump forming plant with airy, thread-like bright green foliage. Daisy-like golden-yellow flowers are borne above the foliage throughout the summer. This selection is longer-lived than ‘Moonbeam’, making it a fine replacement that has a place in any […]
July 25, 2010
ironwood ostrya virginiana wisconsin native tree ftimg

PLANT PROFILE:
Ironwood

Ironwood Ostrya virginiana Description & Overview Ironwood is a small, slow-growing pyramidal tree native to the dry understory in our local oak woods. Its small mature size is great for restricted spaces and the tree will thrive in sun or heavy shade. While it has shown promise as a street […]
July 20, 2010
st johns wort hypericum kalmianum ftimg

PLANT PROFILE:
St. John’s Wort

St. John’s Wort Hypericum kalmianum Description & Overview St. John’s Wort is a handsome dense, rounded shrub with charming blue-green foliage. Abundant bright yellow flowers bloom in summer. The stems and seedheads appear varnished in winter adding a unique texture to the landscape. May also be known as Kalm’s St. […]
July 13, 2010
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PLANT PROFILE:
Butterflyweed

Butterflyweed Asclepias tuberosa Description & Overview Butterflyweed, Asclepias tuberosa, also known as Butterfly Milkweed, Orange Milkweed, Pleurisy Root, Chigger Flower is a slow-to-emerge perennial bearing fragrant clusters of orange flowers which attract butterflies. The seedpods are quite ornamental. Drought tolerant once established, requiring well drained soil. Core Characteristics Wisconsin Native: […]
June 25, 2010
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PLANT PROFILE:
State Street™ Miyabe Maple

State Street™ Miyabe Maple Acer miyabei ‘Morton’ Description & Overview State Street™ Miyabe Maple has a uniform, broad-pyramidal shape with excellent branching characteristics. Thick, clean dark green foliage holds its color late in the season then rapidly turns a pleasing soft yellow in autumn. Extremely tough, State Street™ Miyabe Maple […]
June 20, 2010
espresso kentucky coffeetree gymnocladus dioica ftimg

PLANT PROFILE:
Espresso™ Kentucky Coffeetree

Espresso™ Kentucky Coffeetree Gymnocladus dioica ‘Espresso’ Description & Overview The Espresso™ Kentucky Coffeetree is a grafted male selection, so there’s no need to worry about messy seed pods! A coarse, upright branching habit in youth, this tree shines with age. Great for urban spaces! Core Characteristics Wisconsin Native: No – […]
June 20, 2010
seven son flower heptacodium miconioides ftimg

PLANT PROFILE:
Seven Son Flower

Seven Son Flower Heptacodium miconioides Description & Overview The Seven Son Flower is an upright and spreading small stature tree with beautiful dark green foliage and jasmine-like white flower clusters in late summer. In fall a spectacular show begins when the calyces turn bright red. Exfoliating tan bark reveals a […]
June 14, 2010
Arisaema-triphyllum-jack-in-the-pulpit-ftimg

PLANT PROFILE:
Jack in the Pulpit

Jack in the Pulpit Arisaema triphyllum Description & Overview Single paired 8-12″ long, 3-lobed leaves frame the unusual green and purple hooded flowers. A superb woodland plant that becomes most visible in early autumn when its striking clusters of orange-red berries appear on leafless stalks brightening up shaded recesses. Core […]
April 30, 2010
lily of the valley convallaria majalis ftimg

DISCONTINUED:
Lily of the Valley

Lily of the Valley Convallaria majalis Description & Overview Lily of the Valley is an adaptable, shade-tolerant, spreading perennial that has historically been used as a groundcover in the difficult shade garden. We have discontinued producing and selling this plant due to its aggressive behavior in the landscape and invasive […]
April 22, 2010
moonshine yarrow achillea ftimg

PLANT PROFILE:
Moonshine Yarrow

Moonshine Yarrow Achillea x ‘Moonshine’ Description & Overview Moonshine Yarrow is a compact perennial of aromatic, ferny, gray-green foliage. Sulfur yellow flowers are produced all summer on sturdy stems and will rebloom when deadheaded. Attractive seedheads persist over winter. Core Characteristics Wisconsin Native: No USDA Hardiness Zone: to zone 4 […]
April 6, 2010
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PLANT PROFILE:
Summer Peek-a-Boo™ Ornamental Onion

Summer Peek-a-Boo™ Ornamental Onion Allium ‘Summer Peek-a-Boo’ Description & Overview A sport of Allium ‘Summer Beauty’ with medium purple flower heads set consistently above compact foliage. Attracts butterflies and pollinators. An excellent choice for containers with an above average growth rate. Core Characteristics Wisconsin Native: No USDA Hardiness Zone: to […]
April 5, 2010
rosy returns daylily hemerocallis ftimg

PLANT PROFILE:
Rosy Returns Daylily

Rosy Returns Daylily Hemerocallis ‘Rosy Returns’ Description & Overview This reblooming dwarf small daylily produces fragrant, 4″ rose-pink blend flowers with a deep rose eyezone and yellow throat. Bred by Darrel Apps, Rosy Returns Daylily combines bigger flowers with smaller stature for a striking border in any landscape. Rosy Returns […]