Plants
Green Velvet Boxwood
Boxwood 'Green Velvet'
Green Velvet Boxwood
A full-bodied boxwood well-suited for dense, low hedges. Foliage retains its rich green color throughout winter. Vigorous, rounded form if not sheared. A wonderful evergreen that will provide year-round, cold-hardy color and structure in the garden.
Grey Ghost
Hosta 'Grey Ghost'
Grey Ghost
An unusual sport from Hosta 'Blue Angel'. Leaves emerge near-white/yellow then slowly change to blue-green by summer. Near white flowers.
Guacamole
Hosta 'Guacamole'
Guacamole
The very fragrant soft white flowers in summer beautifully complement the avocado green leaves with a darker edge. A fast grower and sun tolerant.
Guardian Angel
Hosta 'Guardian Angel'
Guardian Angel
Large-giant; thick leaves, emerging greenish to misted white, turning light blue-green and finally mid-green; widely and irregularly margined dark blue-green with streak darting to the midrib. The variegation is not visible on the second flush of leaves.
Guemsey Cream
Clematis 'Guemsey Cream'
Guemsey Cream
Clematis 'Guernsey Cream' is a very floriferous and compact cultivar. Masses of creamy yellow 6" flowers in late spring have overlapping petals giving the flower a very nice rounded appearance. 'Guernsey Cream' provides a second flush of smaller flowers appearing in late summer on the new growth.
Guernsey Cream
Clematis 'Guernsey Cream'
Guernsey Cream
A large-flowered variety, 5" in diameter. Flowers emerge light yellow with green central bars and gradually fade to creamy white as they mature. The rounded petals overlap; and have yellow anthers in the center. Blooms prolifically from May-June and again from August-September. Holds its color better if protected from afternoon sun. Widely recognized for its reliable performance.
Gunther’s Prize
Hosta 'Gunther's Prize'
Gunther’s Prize
Gunther's Prize Hosta has large, thick and shiny golden leaves that are streaked and splashed on this highly sought after sport of H. 'Sum and Substance'.
Gypsy Caravan
Hemerocallis 'Gypsy Caravan'
Gypsy Caravan
Huge 3-4 way branched scapes carry the buff pink, sweetly fragrant flowers in midsummer. Each flower has a narrow, red-purple eye ring surrounding the bright lemon yellow watermark and lime green throat. It's a distinctive tri-color look on flowers that makes it seem nearly round. Each 4.5" flower is of perfect form and with 35-40 buds per scape, you can imagine that it really puts on quite a show in containers and in the landscape.
This daylily is nocturnal, so its buds open in late afternoon and remain open for all or part of the next day. The daylily also has distinctive dark green foliage that remains attractive all season long.
Dormant tetraploid.
Gypsy Rose
Hosta 'Gypsy Rose'
Gypsy Rose
The amazing Hosta 'Gypsy Rose' was discovered as a mutation of the famed Hosta 'Striptease'. Hosta 'Gypsy Rose' stays slightly smaller, forming a 30" wide clump. Most importantly, the central pattern of the leaf is much brighter yellow than in Hosta 'Striptease', which is more light green. Hosta 'Gypsy Rose' is a dazzling plant that should be a part of every hosta collection. Pale white/lavender blooming flowers popping from Gypsy Rose in midsummer. Margins dark green with creamy white/yellow center.
Hackberry Common
Celtis occidentalis 'Common Hackberry'
Hackberry Common
Hackberry is known for its attractive bark that is corky and rough in texture. The bright green elm-like foliage turns to a soft yellow in the fall, and the fruits are relished by wildlife. With a round open form, it grows at a moderate to rapid rate. Extremely hardy, and adaptable to a range of urban environments including alkaline soils, drought, and windy conditions. Height: 50-75'. Spread: 50'. Shape: Spreading, rounded. Exposure: Full Sun. Foliage: Bright green. Fall Foliage: Soft yellow. Zone: 2-7.
Hadspen Blue
Hosta 'Hadspen Blue'
Hadspen Blue
Powdery steel blue leaves retain their color all summer long; one of the best blues ever developed. Thick, cupped, heavily textured leaves are slug resistant. Forms a nice rounded mound of foliage. Pale lavender flowers are displayed just above the foliage on 18" scapes in midsummer.
Hakone
Hakonechloa macra 'Aureola'
Hakone
An intriguing grass for the shade which is perfect for the formal or informal gardens. Excellent where sunlight is minimal. Variegated but nearly all yellow, the leaf blades have narrow green stripes, mostly near the margins. Tiny, inconspicuous flower spikes appear in airy clusters from late summer through mid-fall.
Halcyon
Hosta 'Halcyon'
Halcyon
This classic blue hosta with its spear-shaped foliage has become everyone's favorite midsized blue. With its excellent color, substance, and growth rate, it is not difficult to see why. Lavender flowers midsummer.
Half and Half
Hosta 'Half and Half'
Half and Half
Sport of 'Lakeside Cupcake' that differs by having the center of the leaf emerge pure white instead of cream. Hosta 'Half and Half' boasts pure white leaves with wide dark green margins. Where the center of the leaf meets the margin there is a third lighter green color that adds to the beauty of the leaf. White flowers borne on white scapes in summer. Small hosta.
Color: White with dark green margins
Size: 12 inches tall by 19 inches wide
Type: Slug Resistant Hosta
Hands Up
Hosta 'Hands Up'
Hands Up
Hosta with small, thick leaves that stay in dense clumps. Dark green leaves with a creamy-yellow border and lavender flowers.
Handwriting On The Wall
Daylily 'Handwriting On The Wall'
Handwriting On The Wall
Another beautiful daylily from renowned daylily breeder Karol Emmerich! Six inch triangular shaped flowers are peach with a wine purple eye. Like watercolor paint, the purple color blends to lavender purple toward the yellow throat for a stunning display. A thin, purple picotee edge frames the edge of the blooms.
Fragrant, semi-evergreen tetraploid.
Height: 24". Spread: 24". Zone 3-9 hardy. Flower Color: Purple shades. Gloomtime: Midsummer to late summer. Rebloomer.
Hanky Panky
Hosta 'Hanky Panky'
Hanky Panky
'Hanky Panky' makes a fast-growing, 3' wide clump of dark green leaves surrounded by a gold border with a narrow white thread between the two patterns. As the season progresses, the yellow edge changes to white with an unusual light green overlay. The clumps are topped with 2' scapes of violet flowers in summer.
Hans
Hosta 'Hans'
Hans
Hans has puckered and folded leaves with ruffling at the base. Blue-green, rounded leaves have wide, feathery, white enters with green getting between the center and margin. Pale lavender flowers appear in early to midsummer.
Happy Dayz
Hosta 'Happy Dayz'
Happy Dayz
'Happy Dayz' is a brightly colored hosta that livens up the shade garden with its sharply contrasting variegation and light lavender flowers in midsummer.
Happy Returns
Happy Returns
Happy Returns
This dwarf variety has medium-sized (3 inch) blooms in a lovely soft-yellow shade that blends with anything. Flowering continues constantly from May to frost. Diploid. Winter dormant. Flower stems can be trimmed back after all the buds have finished. Remove old foliage in late fall. Plants do not usually require dividing for several years.
Hardy Rubber Tree
Eucommia ulmoides
Hardy Rubber Tree
Rounded shade tree. Lustrous, Elm shaped green leaves.
Harry L. Richardson Peony
Paeonia 'Harry L. Richardson'
Harry L. Richardson Peony
Very late. Very fragrant, rich carmine red flowers. Free bloomer.
Harry Lauder’s Walkingstick
Corylus avellana 'Contorta'
Harry Lauder’s Walkingstick
Noted for its contorted, twisted growth. This is a real conversation piece. Branches are valued for their use in flower arrangements. Available as a tree or shrub.
Hawaiian Luau
Hosta 'Hawaiian Luau'
Hawaiian Luau
(Mature Size: 18"T x 30"W)
Sport of H. 'Pineapple Upsidedown Cake' with thicker leaves and better coloring.
Yellow leaves, with wide blue-green margin, and a waviness.
Margin is blue-green in spring but dark green in summer.
Margins wider than the parent giving the clump a much better color contrast.
Lavender flowers in late summer.
(M. Zilis/M. Vanous 2011)
Medium Hosta Cultivar
Color: Yellow and Blue-Green
Size: 18 inches tall by 30 inches wide
Hawthorn Thornless Cockspur
Crataegus crus-galli var. inermis
Hawthorn Thornless Cockspur
A vigorous small ornamental tree. It bears abundant white flowers in June, followed by small bright red persistent fruit in autumn. Although this attractive thornless tree prefers moist conditions, it is also drought tolerant.
Height: 15-20'. Spread: 15-20'. Shape: Rounded, spreading. Exposure: Full Sun. Foliage: Dark green, glossy. Fall Foliage: Orange. Zone: 4-7.
Hazelnut American
Corylus americana
Hazelnut American
This is the most dwarf species of hazelnut. Starting in their 2nd year, small runners come out 3-6 inches from the main trunk. Each of these sprouts will begin producing nuts in two years. The nutshell is thick, but the flavor is outstanding. Good for pollinating other hazels. Can produce in light shade. Useful for the shrub border and in naturalistic settings. Sun or partial shade.
Hazelnut Purpleleaf Bailey Sel
Hazelnut 'Purpleleaf' Bailey Sel
Hazelnut Purpleleaf Bailey Sel
Here is a distinctive large shrug that produces stunning purple foliage that fades to green in summer. It is the Purple-leaf hazel, or Corylus maxima 'Purpurea'. This plant has been awarded the Royal Horticultural Society Award of Garden Merit. This form of Hazel has beautiful, scalloped, heavily-textured leaves. And the opulent deep purple color rivals any other shrub of this shade. But Purple-leaf hazel not only makes an outstanding ornamental, but also a first rate hedge, and, unusually for an ornamental, edible nuts are produced in good quantities.
Heat Wave
Hosta 'Heat Wave'
Heat Wave
Thick, leathery leaves with a chartreuse-yellow center surrounded by a very wide blue-green border. Rapid growth rate. The good contrast between the center and margin holds all season. A tetraploid version of H. 'Bright Lights'. A small to medium sized hosta. A sport of 'Bright Lights' with wider margins and a stronger growth rate. In spring, the leaves are chartreuse with wide, blue margins. In summer, the leaf center brightens to gold and the margins deepen to blue-green. When mature, the thick foliage exhibits some puckering. Near-white flowers are produced on 16 inch scapes in early to midsummer.
Heather Hill
Hosta 'Heather Hill'
Heather Hill
(M. Zilis, Solberg 2018) ('Lime Zest' sport) Mini to Small, (5" X 14") This sport of 'Lime Zest' was a wonderful surprise. Sometimes hostas create the best hostas all on their own. This fast growing very small hosta develops a bright white margin and is very happy in morning sun. It makes a great garden plant as well as a welcome addition to your container collection. Introduced with Heather Hill Gardens in Fairfax Station, VA.
Heatherbun Whitecedar Falsecypress
Chamaecyparis thyoides 'Heatherbun'
Heatherbun Whitecedar Falsecypress
A slow-growing plant with a mounding growth habit. Delicate, heather-like blue green foliage takes on a pretty plum-purple tint in winter.
Heavy Metal Blue Switch Grass
Panicum virgatum 'Heavy Metal'
Heavy Metal Blue Switch Grass
Its metallic blue leaves turn bright yellow in the fall. Beginning in late summer or early fall, delicate pink panicles dance above the foliage.
Heliotrope ‘Marine’
Heliotropium arborescens
Heliotrope ‘Marine’
Heliotrope 'Marine' is a great plant in the landscape or planter. It has a rich deep violet-blue blooms growing in 2" clusters atop dark green, deeply ribbed suede-like leaves. This plant is a great choice for mixed planters with its rich foliage and purple flower clusters. The Heliotropium plant is often called Heliotrope and is great for attracting Butterflies.
Heliotrope ‘Marine’
Heliotrope
Heliotrope ‘Marine’
The plants prefer full sun and even moisture and they will winter easily indoors. They open royal purple and slowly fade to lavender.Unlike other varieties bred for deeper color, 'Fragrant Delight' preserves the vanilla perfume that, to our mind, makes a Heliotrope a Heliotrope. Not suitedto southern growing conditions; perennial in western zones 9-10.
Hemlock Canadian
Tsuga canadensis
Hemlock Canadian
Graceful evergreen for hedge or specimen. Pyramidal growth, branches often droop. Can be easily sheared into a hedge. Full sun to shade. Rarely to never fed on by Japanese beetles.
Hemlock Moon Frost Canadian
Tsuga canadensis 'Moon Frost'
Hemlock Moon Frost Canadian
Bright, white, new growth with older, inner foliage that retains a light tone combine to give this plant a distinctly white appearance. In winter, foliage takes on a blush of pink. A compact globe when young, 'Moon Frost' broadens and increases its growth rate with age, but remains a reliably small, dwarf plant.