heuchera-citronelle-leaf-detail

Heuchera ‘Citronelle’

A stunning lime-yellow Coral Bell that can withstand the heat and humidity! Creamy white blooms add summer interest. They form low clumps of foliage that create a stunning contrast in the garden. Great for perennials borders and containers.

matteuccia-struthiopteris-habit

Matteuccia ‘Struthiopteris’

Matteuccia is a genus of ferns with one species, Matteuccia struthiopteris (common names ostrich fern, fiddlehead fern or shuttlecock fern). It is a crown-forming, colony-forming plant, occurring in temperate regions of the Northern Hemisphere in central and northern Europe, northern Asia, and northern North America. The species epithet struthiopteris comes from Ancient Greek words, struthio meaning ostrich and pterion meaning wing.

It grows from a completely vertical crown, favoring riverbanks and sandbars, but sends out lateral stolons to form new crowns. It thus can form dense colonies resistant to destruction by floodwaters.

The fronds are dimorphic, with the deciduous green sterile fronds being almost vertical, 100–170 cm (39–67 in) tall and 20–35 cm (7.9–13.8 in) broad, long-tapering to the base but short-tapering to the tip, so that they resemble ostrich plumes, hence the name. The fertile fronds are shorter, 40–60 cm (16–24 in) long, brown when ripe, with highly modified and constricted leaf tissue curled over the sporangia; they develop in autumn, persist erect over the winter and release the spores in early spring.

Matteuccia species are used as food plants by the larvae of some Lepidoptera species including Sthenopis auratus.

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Phlox ‘David’

Culture: Grow in moderately fertile, medium moisture, well-drained soil in full sun to part shade. Best in full sun. Prefers rich, moist, organic soils. Also prefers moderate summer temperatures over the heat and humidity of the deep South. Needs good air circulation (space well and thin out stems as needed) to help combat potential powdery mildew problems. Intolerant of drought and needs to be watered in dry spells. Avoid overhead watering however. Appreciates a summer mulch which helps keep the root zone cool. For winter, cut plants to the ground and remove from the garden plus clean up all plant areas in order to minimize possible powdery mildew infection for the following growing season. Remove faded flower panicles to prolong bloom period and to prevent unwanted self-seeding (cultivars generally do not come true from seed).

Noteworthy Characteristics: Phlox paniculata, commonly known as garden phlox, is native from New York to Iowa south to Georgia, Mississippi and Arkansas. It has escaped gardens and naturalized into areas beyond its original native range. In Missouri, it is typically found south of the Missouri River in moist or rich low woods, thickets, alluvial banks and gravel bars along streams and bluff bases (Steyermark). This is an upright perennial that grows in a clump to 2-4′ tall and to 2-3′ wide on stiff stems clad with conspicuously veined, opposite, pointed, elliptic, deep green leaves (to 4-6″ long). Fragrant, tubular, pink-purple to white florets (to 3/4” diameter) are densely packed in large, tiered, domed terminal clusters (to 6-8″) over a long July to September bloom period. Each individual floret has a long corolla tube and five flat petal-like lobes. Butterflies love the flowers.

A large number of garden phlox cultivars in flower colors including white, lavender, pink, rose, red and bi-color are available in commerce. Cultivars resistant to powdery mildew are often the best choices.

The genus name is derived from the Greek word phlox meaning flame in reference to the intense flower colors of some varieties.

Specific epithet refers to the plant bearing flowers in panicles.

‘David’ is a garden phlox cultivar that typically grows in an upright clump to 3-4′ tall. Fragrant, tubular flowers (1/2″ to 1″ diameter) with long corolla tubes and five flat petal-like lobes are pure white. Individual flowers are densely arranged in large, terminal, pyramidal clusters (panicles to 6-12″ long) in summer atop stiff, upright stems which seldom need staking. Long mid to late summer bloom sometimes extends into early fall. Narrow, opposite, pointed, lance-shaped leaves (to 5″ long). Good fresh cut flower.

Problems: Phlox is not always an easy plant to grow well. Phlox bugs, powdery mildew and root rot can be serious problems. Spider mites can also be a problem, particularly in hot, dry conditions. Taller stems may need staking.

By reputation, ‘David’ has good resistance to powdery mildew.

>Garden Uses: Garden phlox is a staple of the perennial border. Mixes well with other perennials and provides long summer bloom. Regardless of flower color, garden phlox is attractive to hummingbirds and is a good selection for inclusion in a bird garden.

campanula-white-clips-flower-detail

Campanula C. ‘White Clips’

Campanula carpatica, the tussock bellflower or Carpathian harebell, is a species of flowering plant in the family Campanulaceae, native to the Carpathian Mountains of Central Europe. It is a low-growing herbaceous perennial, with long stems bearing solitary blue bell-shaped flowers. It was introduced to the Royal Botanic Garden at Kew in 1774 by Nikolaus Joseph von Jacquin. Several cultivars in shades of white, blue, pink and purple, have been developed for garden use.

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Polygonatum ‘Variegatum’

Culture: Easily grown in moist, humusy, organically rich, well-drained soils in part shade to full shade. Best performance occurs in cool sun-dappled shady areas. Dislikes hot summer conditions. Slowly spreads by thin rhizomes to form colonies in optimum growing conditions.

Noteworthy Characteristics: Polygonatum odoratum, commonly called fragrant Solomon’s seal, is a rhizomatous, shade-loving perennial that typically grows to 18-24” tall on low, gracefully arching, angled (as opposed to cylindrical), unbranched stems. It is native to shaded slopes and woodland areas in temperate regions of Europe and Asia. Each stem (to 18” long) rises singly from the rhizome clad with 8-17 alternate, upright, parallel-veined, elliptic to ovate-oblong leaves (to 4” long). Leaves turn an attractive yellow in fall. Greenish-white tubular flowers (to 7/8” long) on short pedicels droop (usually in pairs but sometimes solitarily) from the leaf axils along and beneath the arching stems. Flowers have a sweet, lily-like fragrance. Flowers bloom late spring to early summer (May-June). Flowers are followed by attractive pendulous blue-black berries (each 1/4″ diameter) in fall which hang downward from the leaf axils.

Genus name comes from Greek words poly meaning many and gonu meaning knee joint in reference to the jointed plant rhizomes. Early herbalists believed that plants with jointed rhizomes were helpful in treating human joint disorders.

Specific epithet comes from the Latin word odoratus meaning sweet smelling in reference to the fragrance of plant flowers.

Common name is usually considered to be in reference to the large, circular seals (leaf stalk scars) located on the rhizomes. However, some authorities suggest the common name actually refers to “wound sealing properties” of the plant.

‘Variegatum’ is a popular cultivar of var. pluriflorum. It features showy light green leaves edged with white. New stems are tinged with maroon red. It is a superior foliage ornamental for shady garden areas. Perennial Plant Association’s 2013 Perennial Plant of the Year. Synonymous with and formerly known as P. odoratum var. thunbergii ‘Variegatum’.

Problems: No serious insect or disease problems. All parts of this plant may cause discomfort if ingested by humans (plants contain small amounts of saponin and convallamarin). Watch for slugs, snails, weevils and sawflies. Leaf spot and rust infrequently appear.

Garden Uses: Best in woodland gardens or shady areas of rock gardens or border fronts. Foliage is attractive in flower arrangements.

hosta-big-daddy-flower-detail

Hosta ‘Big Daddy’

Hosta are among the most popular of perennials for shady areas, with hundreds of varieties now readily available. Plants form a sturdy mound of foliage, topped with lily-like blooms. This large specimen selection has huge, frosty blue leaves that are cupped and heavily quilted. Pale lavender flowers appear in July. Suitable also for planting in mixed containers or tubs. Hosta go completely dormant in the fall, and the dying foliage can be removed any time before mid spring. Easily divided in either spring or fall, but plants may be left alone for years. Good slug resistance.

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Hosta ‘Halcyon’

Easily grown in evenly moist, organically rich, well-drained soils in part shade to full shade. Best in part shade (some morning sun or sun dappled conditions). Established plants have some tolerance for dry shade (particularly plants with thick leaves), but soils should never be allowed to dry out. Full size and quality form are best achieved with consistent moisture. Water is best applied directly to the soil beneath the leaves. Divide plants as needed in spring or autumn. Division is usually easiest in early spring before the leaves unfurl. Plant in locations protected from wind.

Noteworthy Characteristics: Hosta is a genus of about 70 species of shade-loving, rhizomatous, clump-forming, herbaceous perennials which are native to open woodlands, woodland margins and glades in Japan, Korea, China and eastern Russia. Hostas are primarily grown for their ornamental foliage. Stalked, conspicuously-veined, often dense, basal leaves in a variety of shapes, sizes, colors and textures rise up from a central rhizomatous crown to form a rounded to spreading mound of foliage. Bell or funnel-shaped flowers in terminal, mostly one-sided racemes bloom in late spring or summer atop vertical, unbranched, usually leafless but frequently bracted scapes which rise upward from the crown or rootstock to a point often well above the foliage mound.

Tardiana Group is applied to a group of hybrids resulting from a cross between H. tardiflora and H. sieboldiana var. elegans. Plants are usually under 18″ tall and have blue-green leaves.

Genus name honors Austrian botanist Nicholas Thomas Host (1761-1834) and was first established in 1812. The genus was subsequently renamed in 1817 as Funkia in honor of botanist Heinrich Christian Funk under the belief at that time that Hosta was an invalid name. Hosta was finally reinstated as the genus name in 1905 by the International Botanical Congress.

Funkia remains a popular common name today in some areas. An additional common name for plants in this genus is plantain lily (foliage is somewhat plantain-like and flowers are somewhat lily-like in some species).

‘Halcyon’ is one of the best and most popular of the blue hosta cultivars. An erect plant to 14″ tall featuring a mound of flat, spear-shaped, heavily-textured, blue-green leaves and racemes of bell-shaped, pale lilac-blue flowers on 26″ scapes. This cultivar retains blue leaf color longer than most other blue hostas. A slower growing hosta (takes several years to develop mature shape) that is a dependable and versatile perennial requiring little care. Grown primarily for its beautiful foliage which provides color, contrast and texture to the landscape. Dense foliage crowds out most garden weeds. American Hosta Society Distinguished Merit Hosta award (1987).

Problems: Slugs and snails are attracted to the foliage, chewing jagged holes in the leaves, and if left unchecked, can cause serious damage over a fairly short period of time. Watch for foliar nematodes which feed on the leaves causing interveinal browning. Leaf spots and crown rot are less frequent problems. Plants infected with Hosta Virus X (HVX), tobacco rattle virus or tomato ring spot virus should be immediately removed from garden areas and destroyed. Otherwise, hostas are virtually pest-free and are considered ideal low-maintenance garden perennials. Leaves, particularly of exposed plants, can be severely damaged by hail storms. Leaves are commonly eaten, often voraciously, by deer.

Garden Uses: Hostas are a mainstay of shade gardens. Notwithstanding the often showy flowers produced, hostas are primarily grown in shady areas for the often ornamental excellence of their foliage. Very effective in groups or massed. Shady borders, shade gardens or woodland gardens.

hosta-june-leaf-detail

Hosta ‘June’

Culture: Easily grown in evenly moist, organically rich, well-drained soils in part shade to full shade. Best in part shade (some morning sun or sun dappled conditions). Established plants have some tolerance for dry shade (particularly plants with thick leaves), but soils should never be allowed to dry out. Full size and quality form are best achieved with consistent moisture. Water is best applied directly to the soil beneath the leaves. Divide plants as needed in spring or autumn. Division is usually easiest in early spring before the leaves unfurl. Plant in locations protected from wind.

Noteworthy Characteristics: Hosta is a genus of about 70 species of shade-loving, rhizomatous, clump-forming, herbaceous perennials which are native to open woodlands, woodland margins and glades in Japan, Korea, China and eastern Russia. Hostas are primarily grown for their ornamental foliage. Stalked, conspicuously-veined, often dense, basal leaves in a variety of shapes, sizes, colors and textures rise up from a central rhizomatous crown to form a rounded to spreading mound of foliage. Bell or funnel-shaped flowers in terminal, mostly one-sided racemes bloom in late spring or summer atop vertical, unbranched, usually leafless but frequently bracted scapes which rise upward from the crown or rootstock to a point often well above the foliage mound.

Tardiana Group is applied to a group of hybrids resulting from a cross between H. tardiflora and H. sieboldiana var. elegans. Plants are usually under 18″ tall and have blue-green leaves.

Genus name honors Austrian botanist Nicholas Thomas Host (1761-1834) and was first established in 1812. The genus was subsequently renamed in 1817 as Funkia in honor of botanist Heinrich Christian Funk under the belief at that time that Hosta was an invalid name. Hosta was finally reinstated as the genus name in 1905 by the International Botanical Congress.

Funkia remains a popular common name today in some areas. An additional common name for plants in this genus is plantain lily (foliage is somewhat plantain-like and flowers are somewhat lily-like in some species).

‘June’ features a mound of thick, variegated leaves with gold centers and irregular blue-green margins, with racemes of bell-shaped, pale lavender flowers on 20″ scapes. A dependable and versatile perennial requiring little care. Grown primarily for its beautiful foliage which provides color, contrast and texture to the landscape. Dense foliage crowds out most garden weeds.

Problems: Slugs and snails are attracted to the foliage, chewing jagged holes in the leaves, and if left unchecked, can cause serious damage over a fairly short period of time. Watch for foliar nematodes which feed on the leaves causing interveinal browning. Leaf spots and crown rot are less frequent problems. Plants infected with Hosta Virus X (HVX), tobacco rattle virus or tomato ring spot virus should be immediately removed from garden areas and destroyed. Otherwise, hostas are virtually pest-free and are considered ideal low-maintenance garden perennials. Leaves, particularly of exposed plants, can be severely damaged by hail storms. Leaves are commonly eaten, often voraciously, by deer.

Garden Uses: Hostas are a mainstay of shade gardens. Notwithstanding the often showy flowers produced, hostas are primarily grown in shady areas for the often ornamental excellence of their foliage. Very effective in groups or massed. Shady borders, shade gardens or woodland gardens.

hosta-sum-and-substance-leaf-detail

Hosta ‘Sum & Substance’

A botanical giant, ‘Sum and Substance’ averages 30 inches tall by 60 inches wide, sometimes more. Upright, heart-shaped, flat leaves have a glossy chartreuse hue that changes to gold when exposed to more light. Near-white lilac blooms borne on leaning scapes 36 inches long appear from late July through mid-August.

liatris-alba-flower-detail

Liatris ‘Alba’

Liatris is part of the Spicata genus and its scientific name is Spicata alba. The alba part of this plant’s botanical name means ‘white coloured’. Liatris grows as a perennial and is a flower. Being a perennial plant, it tends to grow best over several years (approx 3 years and greater).

White is useful in the mixed border as an exclamation point or accent, and the bottlebrush spikes of Liatris spicata ‘Alba’ will add vertical interest as well. It’s an old-time favorite for summer gardens and bouquets that will attract butterflies and other pollinators. Plants self sow if not deadheaded, creating a charming, naturalized look.

Liatris is a North American genus consisting of about 20 species. They are excellent for cutting, superb for drying, and beautiful in the border, especially planted in groups. Butterflies will flock to the blooms. Plants thrive in full sun and moist, well-drained soil.