Guides: Hardiness Zone 4
More and more popular, the Cybister Amaryllis are truly spectacular with their exotic, orchid-like flowers. They feature long, ribbon-like, spidery petals and splashes of bright color such as deep reds, soft green, copper, dark pink, creamy white and burgundy. They are unlike any other Amaryllis group and their cultivars belong to the Spider group.
Naturalizing bulbs is a terrific way to brighten up lawns, prairies or meadows in spring. They also make gardening easy. Once planted, there is nothing left to do: these bulbs can stay right where they are and produce flowers year after year. What could be better?
Many tulips are not strongly perennial and their floral display tends to decline from season to season. They bloom well the first year, but then peter out after a couple of years. But if you select the right tulip varieties, plant them in the right spot and provide the proper care, you can be rewarded with a magnificent spring display year after year.
About 80% of orchids are natives of tropical latitudes, but a surprising number of terrestrial orchids are hardy, some even able to fearlessly withstand temperatures below -22°F (-30°C). With hardiness zones ranging from zone 2 to zone 9, they add an unexpected touch of exoticism in the landscape with their vibrant colors and long-lived blossoms.
There are 17 Hellebore species. Most are native to the mountainous regions of Europe, especially the Balkan region of the former Yugoslavia, south along the eastern Adriatic to Greece and Turkey. Many of the species have been interbred, producing countless hybrid Hellebores in a rich array of colors and forms.
Lady’s slipper orchids are among the most desired of all hardy orchids. Often colorful and striking, these rhizomatous perennials have a distinctive inflated pouch or modified lip (labellum) that resembles a slipper or shoe. The slipper can be as large as a chicken egg or quite small depending on the species. Cypripedium is a genus of terrestrial orchids in the Orchidaceae family. It includes about 50 species, most of them quite hardy, which can be found in America, Europe, and Asia.
As climbers, Clematis are unsurpassed in their long flowering presence, their rich diversity of flower shapes, their wide array of colors and tolerances in terms of exposure and climate. Members of the Ranunculaceae family, Clematis include more than 300 species and hundreds of hybrids. They are divided into 12 groups.
From fall into winter, crabapples put on a terrific display of colorful fruit in a wide array of color, including pale lime, chartreuse with yellow highlights, various shades of gold often rouged with pink, orange or bright red cheeks, bright orange, crimson, carmine, burgundy or even bishop's purple. If persistent, their color parade can be enjoyed for months unless hungry birds feast on them.
Stars of the bog garden, there are quite a few species of hardy terrestrial orchids that can turn a slow-draining, waterlogged spot into a beautiful attraction. With hardiness zones ranging from zone 3 through 9, they add an unexpected touch of exoticism in the landscape.
Prized for its delightful fragrance, Syringa vulgaris (Common Lilac) is a mainstay of the spring landscape in northern and colder climates. Easy to grow, tough as nails, deer resistant and relatively free from major pests, Common Lilacs are one of the most effective flowering shrubs. Tailored to meet the needs of all gardens, this species counts 2000 cultivars.
Mostly native to the U.S. and Canada, Asclepias include over 100 species of evergreen or deciduous perennials adorned with clusters of small, interestingly shaped blooms that are irresistible to butterflies. Attractive and easy to grow, they shine in many perennial gardens and are a key component of butterfly gardens, cottage gardens, or prairies and meadows.
Attractive, Sea Holly plants (Eryngium) are striking ornamental perennials grown for their arresting, thistle-like, silvery or blue tinted flower heads adorned with a ruff of showy bracts. Blooming in summer and sometimes into fall, they are useful in rock gardens, coastal gardens and in borders where their steel blue flowers and foliage complement the vibrantly colored summer flowers.
Berberis thunbergii (Japanese Barberry) is a compact, woody shrub with arching, slender, zig-zag branches bearing a single, sharp spine at each node below each rosette of leaves. The wedge-shaped leaves are untoothed, slightly blue-green to green to dark reddish purple, and borne in whorls or clusters. Some Japanese Barberry cultivars are spectacular additions to the landscape where they bring a strong color accent from spring to fall.
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