Winter Greenhouse

2019 New Trees & Shrubs

Includes Roses, Vines and Small Fruits

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American Elm Valley Forge

American Elm Valley Forge

This native cultivar has the beautiful upright and vase-shaped habit of the classic American Elm - with a very dense, graceful arching branching structure. It is proven to be highly resistant to Dutch Elm Disease. Ovate-elliptic, dark green leaves (up to 6 inches long) have toothed margins. Small green flowers appear in spring before the foliage emerges, and give way to single-seeded, wafer-like, greenish-yellow samaras. Seeds mature in May as the leaves reach full size. A fast growing tree that tolerates salts, drought and poor soils.

Azalea White Lights

Azalea White Lights

This exceptionally pretty deciduous azalea is a charming member of the Northern Lights Series, developed by the UM Landscape Arboretum to be very hardy and to have flower buds that can withstand temperatures up to -45 degrees F. It is a hybrid of Rhododendron prinophyllum and a white flowered Exbury hybrid. Flower buds are a delicate pink, the mature flowers fade to all white with a yellow center. Foliage is dark green. Needs to be protected from strong winds.

Barberry Sunjoy Sequins

Barberry Sunjoy Sequins

Outstanding colorful variegation makes this barberry a standout in the landscape. Leaves are splashed white and green, and develop very showy pink tones as the season progresses, making the plant a patchwork of pink by autumn. More shade tolerant than other foliage barberries, yet has not shown any burn.

Bigleaf Hydrangea Summer Crush

Bigleaf Hydrangea Summer Crush

Summer Crush is color breakthrough in re-blooming garden hydrangeas and it will make your garden glow with a profusion of big, intense raspberry-red or neon-purple mophead blooms. Proven to be wilt resistant, this compact growing, ever-blooming hydrangea with dark green glossy leaves fits smaller spaces in the garden. Placed in a patio container for a stunning look all season long, it will make your outdoor living space the talk of the neighborhood.

Blackberry Bushel & Berry Baby Cakes

Blackberry Bushel & Berry Baby Cakes

An exciting thornless blackberry dwarf (3-4 ft) with an upright rounded shape. Perfect for patio pots with its compact habit. Often will produce twice in one season! Allow to go dormant without pruning. In early spring, green sprouts will come up from the soil and also appear on some of the pre-existing canes.

Bur Oak Quercus Macrocarpa

Bur Oak Quercus Macrocarpa

One of the most majestic of the native North American oaks. It has attractive corky bark and 6-12 inch long leathery leaves with 5-9 rounded lobes, varying in shape, with dark green upper-, and grayish undersides. Fall color is yellow-brown. Yellowish-green flowers in catkins appear in spring as the leaves emerge. Fruits are oval and have burry cups. They are an important source of food for wildlife, and they normally appear for the first time after about ten years. The tree adapts to various soils where other oaks may fail. Drought tolerant.

Cotoneaster Tom Thumb

Cotoneaster Tom Thumb

A very dense, compact ground cover with glossy dark green miniature leaves. They turn to a stunning red in the fall. Spreading branches display an interesting herringbone pattern. They self-root where they touch the ground. Although only blooming rarely, tiny clusters of white-pink flowers may appear in summer, followed by beautiful red berries. Relatively slow grower. Requires no pruning to stay dense and full. Disease resistant. Prefers dry soil.

Dwarf Balsam Fir Piccolo

Dwarf Balsam Fir Piccolo

This dwarf Balsam fir grows very slowly into a dense globe that is an ideal addition to a rock garden, container or other small garden spot. Tiny, uniform, dark green needles radiate around the many short branches and, in fall, prominent brown buds on the tips of branches lend added character.

Ginkgo Biloba Autumn Gold

Ginkgo Biloba Autumn Gold

Ginkgo biloba is one of the most beautiful deciduous trees. This male cultivar with a symmetrical conical form turns broader with age and has a brilliant yellow fall color which persists for several weeks. Especially spectacular when backlit by early morning or late afternoon sun. Slow growing. Disease resistant. Salt and drought tolerant once established.

Hawthorn Toba

Hawthorn Toba

One of the hardiest and showiest of the ornamental hawthorns, coming from Canada. It is vase shaped and smothered in beautiful, fragrant, double white blooms that turn pink with age. Showy 1/2 inch red berries follow in fall & winter. It has a dense upright habit, and the small stature allows it to grow in smaller areas. Glossy green lobed foliage turns to a yellowish-brown in fall and is not subject to leaf spot . The branches are armed with slender 1-3 inch thorns. Young amber colored bark grows to be a rough, exfoliating, twisted silvery-gray trunk. Drought & salt tolerant.

Juniper Grey Owl

Juniper Grey Owl

A handsome, medium-sized, slightly vase-shaped evergreen with soft, fine-textured, scale-like foliage. It serves as a vigorous ground cover and has gracefully arching branches. Foliage color is a brilliant silvery-bluish-gray which stays well year-round. This female cultivar is known to develop large amounts of showy berries that attract birds. Mature specimens are loaded with dark bluish colored berries on a yearly basis. May be pruned or sheared to shape. Easily transplanted. Best drought resistance of any conifer native to the eastern U.S.

Juniper Wichita Blue

Juniper Wichita Blue

An excellent choice for an evergreen screen, hedge, background plant, or lawn specimen. It has a handsome, broadly pyramidal form. And the outstanding, bright silver-blue foliage retains its brilliant color year-round. Fast grower. Prefers drier climates. Perfect without pruning but customizable to your desired look.

Korean Maple North Wind

Korean Maple North Wind

North Wind is the flagship of the Jack Frost maple group. A hardy hybrid which combines the beautiful branching habit and the leaves of Acer palmatum (Japanese maple) with the hardiness of a stable Korean stock maple. The leaves emerge red in spring. Showy pink samaras standout against the green summer foliage. In fall the show is continued with dramatic tones of orange and scarlet. This tree can be expected to live for 60 years or more.

Lilac Boomerang Dwarf Purple

Lilac Boomerang Dwarf Purple

A new generation of Bloomerang lilacs. The improved Dwarf Purple lilac has more flowers, stronger rebloom, and better disease resistance. You will love this plant for its beauty, healthy growth, sweet fragrance, and smaller habit. Use it for mixed borders, hedges, specimens, or flower gardens. Allow 10 weeks after trimming for new flower buds to form.

Ninebark Fireside

Ninebark Fireside

This new ninebark has stunning foliage. Reddish new growth matures to deep red-purple foliage that holds its color reliably all summer whereas others take on brownish tones later in the season. The leaf size is intermediate. Bigger than Little Devil but smaller than Diabolo and tidier than other Ninebarks. Pinkish-white flowers bloom in spring and foliage turns deep purple in fall. Add to that, it doesn't show any signs of powdery mildew, and it is drought tolerant.

Ninebark Summer Wine Black

Ninebark Summer Wine Black

This ninebark has the darkest, most dramatic deep purple foliage yet. With its semi-dwarf, compact habit and its disease resistance, it offers outstanding potential for your garden. Upright stems and small foliage give a fine textural effect. Spring brings white flower clusters to contrast with the nearly-black foliage. Native cultivar. Drought tolerant.

Panicle Hydrangea Berry White

Panicle Hydrangea Berry White

This long-awaited introduction is a summer stunner with strong, upright stems and large cone-shaped flowers. The flower color starts out white in July then progresses to dark pink. Coloring occurs from the bottom and progresses to the top of the panicle. It blooms a little later than Strawberry Sundae and about the same time as Vanilla Strawberry. Color shades can vary according to location, climate and type of soil.

Pear Ure

Pear Ure

A cold hardy, ornamental and fruit bearing tree with sturdy branching and small size (15-20 ft tall, 12-16 ft wide). Needs to be pruned from the bottom if clearance is desired. Glossy green foliage turns burgundy in fall. Pollinates Early Gold, Golden Spice & Summercrisp; has to be pollinated by Golden Spice.

Rose Easy Elegance Coral Cove

Rose Easy Elegance Coral Cove

This everblooming gem has double blooms whose outer petals are dark pink changing to orange and finally to bright yellow at the center. The small, perfectly rounded form would make it an outstanding informal hedge along a walkway or garden path. The color is so easy to combine it should have a place in every perennial border. Highly disease resistant and own root.

Rose Hulthemia Ringo

Rose Hulthemia Ringo

Already decorated with six awards from around the world, Ringo rose is finally available in North America. The blooms of this colorful, appealing hybrid open a bright golden yellow with a blazing red center. They mellow to a soft yellow, before finally turning white with a distinct pink center. The effect is of three colors blooming at once. Long blooming, reblooming, and disease resistant.

Rose Rugosa Lottys Love

Rose Rugosa Lottys Love

Large semi double 4-5" flowers bloom through the season. Color is more pink than purple. Golden yellow stamens contrast nicely with the petals. It is more fragrantand more impressive than the other rugosa types (larger flower and better color). Upright oval habit.

Spirea Double Play Red

Spirea Double Play Red

The first spiraea with true red flowers! The plant naturally grows as a dense, rounded mound. Each deep red floret is crowned with a spray of long anthers bearing purple pollent. In spring, foliage emerges a glowing red, and new growth through the season is an attractive burgundy.

Spruce Cupressina

Spruce Cupressina

This narrow upright Norway spruce gets about 25 ft tall and 6 ft wide, being perfect for a place where an upright element is needed, yet space is limited. Grows quickly (15"/yr) and it handles snow loads very well.

St Johns Wort Sunny Boulevard

St Johns Wort Sunny Boulevard

This hardy, carefree, tightly branched shrub is noted for its long bloom time, beginning in July and continuing until September. Willow-like dark green leaves on tight branches create a mounded form cloaked with small but abundant, rich yellow flowers. This is an excellent plant for adding bright color to landscapes all summer long. Native to North America. Drought & salt tolerant. Attracts bees.

Three Leaf Sumac Autumn Amber

Three Leaf Sumac Autumn Amber

A welcome alternative to creeping juniper or Gro-Low sumac, filling in so thickly that mulch isn't necessary. Attractive glossy green foliage turns an amber-yellow in the fall. Mid-spring brings an amazing abundance of tiny chartreuse colored flowers. They are followed by small, rounded red fruits, that will hang on until winter, when a thick tangle of branches still covers the ground. Ideal for terraced walls, rock features or patio corners. Drought Tolerant.

Virginea Creeper Red Wall

Virginea Creeper Red Wall

Fences can be downright ugly. This salt-tolerant native vine is the easiest and fastest way to create colorful living walls by growing along a fence. In the fall, blue fruit emerges, and the foliage turns to fire-engine red. Not recommended for planting near buildings.

Weeping Norway Spruce Frohburg

Weeping Norway Spruce Frohburg

This Weeping Norway Spruce has a more narrow form, offering a strictly pendulous habit with a full, spreading skirt and a slower growth rate. The fine texture is the result of shorter, slender, medium green needles. If staked, it typically gets a slim upright habit, growing 5 feet or more tall, and about 3 feet wide. A very good choice for areas with limited space, functioning as a tall accent piece. Unstaked it serves as a graceful ground-cover. Deer avoid the sharp needles.

Weigela My Monet Purple Effect

Weigela My Monet Purple Effect

Hues of cream, green, and pink, layered with a cast of purple make this plant a thriller. It shares the same dwarf habit and neat, variegated foliage of the original "My Monet", but is exceptionally strong flowering. It blooms in spring and sporadically in the summer and fall. It is a bit faster growing and has proven more heat tolerance. The foliage looks good right up until frost.

Western Black Chokecherry

Western Black Chokecherry

Dwarf form of chokecherry native to the Rocky Mountains. Large shrub or small tree that will withstand harsh conditions. It has showy flowers and shiny green foliage. Its fruit are dark purple and come in clusters. Excellent for jams and jellies. Great erosion control plant.

Witch Alder Blue Shadow

Witch Alder Blue Shadow

This striking sport of 'Mount Airy' is a hybrid between F. major and F. gardenia. White, honey-scented, bottlebrush flowers bloom in early spring before leafing out. A nicely mounded habit of leaves emerges in green, quickly maturing to a stunning, intense silvery blue, staying throughout summer. In fall it changes to brilliant shades of red, orange and yellow. Part shade locations seem to produce the best foliage color and a more open plant habit. Disease resistant.

Witherod Viburnum Lil Ditty

Witherod Viburnum Lil Ditty

One of the smallest viburnum on the market. This adaptable native cultivar has a vigorous compact growth habit with outwardly spreading branches. Glossy foliage takes on good red fall color. Numerous fragrant creamy white puffball flowers bloom in late spring. If planted near a pollinator, it will produce green berries that turn to pink, red and finally black by autumn. Withe (from Old English) means flexible twig and rod means slender shoot or stem.

Yew Dwarf Bright Gold

Yew Dwarf Bright Gold

Vibrant golden shoots emerge in spring, the color softening to a muted glow by late summer. Needles have vertical green and yellow striations. Appreciates protection from blazing summer sun.

Winter Greenhouse • W7041 Olmstead Rd • Winter, WI 54896 • get directions
Opening Thursday, April 25th, 8:30 am - 5:30 pm
phone 715-266-4963 • mail@wintergreenhouse.com
Last Updated on February 18th, 2019
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