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RHS Award of Garden Merit® Plants

The Royal Horticulture Society's Award of Garden Merit goes only to plants that meet a minimum of the following requirements: "excellent for ordinary use in appropriate conditions, available( at nurseries and garden centers ), of good constitution, essentially stable in form and colour, and reasonably resistant to pests and diseases". The AGM list is updated periodically to ensure that these are still the best of the best. "Awards are only made after assessment by an RHS forum of experts appointed by the Society to assess that particular trial. Each forum has its own area of expertise, and draws upon the experience of a wide range of experts, including nurserymen, specialist growers and well-known horticulturists. This assessment must then be ratified by the relevant Plant Committee. The trial and assessments usually take place at one of the four RHS Gardens but can also take place at one of our partner gardens, National Trust gardens or commercial nurseries." For more information and to see all of the RHS AGM winners visit https://www.rhs.org.uk/plants/trials-awards/award-of-garden-merit.

 

Variegated Blue Sky Vine, Blue Trumpet Vine

Thunbergia grandiflora 'Variegata'

Large creamy yellow, white, and green foliage acts as the backdrop for large hanging clusters of 3" wide, sky blue trumpet shaped flowers that are produced on new growth throughout the summer and into fall. The Variegated Blue Sky Vine is a vigorous twining tropical vine that revels in the warmth of summer and this form appears to be just as vigorous and sun loving as the solid green form. Evergreen in frost free locations, establish in spring once the danger of frost has past as a die-back perennial vine in zones 8-9, or it can easily be maintained as a container plant where not hardy. Item# 1234

Grows To: 15'-30'H
Outdoor Light: AM sun, Part shade, Light shade

Variegated Confederate Jasmine, Star Jasmine

Trachelospermum jasminoides 'Variegatum'

Variegated Confederate Jasmine is a show off all year long with its nicely contrasting white to cream and rich green foliage. Late spring and early summer provide a show of sweetly fragrant, star-shaped, white flowers in loose clusters. A very low maintenance vine once well-established with a twining habit, although it is able to climb many of our southern pine species without any assistance. Item# 697.

Grows To: 30'H, 2'H as groundcover
Outdoor Light: Part sun, Part shade, Light shade
3.5 inch Pot / 16 fl.oz. / 473 ml
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Variegated Double Pink Oleander, Mrs. Runge Oleander

Nerium oleander 'Splendens Foleis Variegata', N. oleander 'Mrs. Runge'

The most popular variegated Oleander, Mrs. Runge produces large clusters of large, fragrant, soft rosy pink, double flowers often with one or more petals having a white streak or flecks. The fragrance is reminiscent of baby powder. The large rich green foliage is edged in a wide band of creamy white and at times entire leaves may be creamy white. This is a large growing, vigorous and free flowering Oleander. Item# 705.

Grows To: 12'H x 12'W
Outdoor Light: Full sun, Part sun
3.5 inch Pot / 16 fl.oz. / 473 ml
Currently In Stock: 0
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Variegated Dwarf Gardenia

Gardenia jasminoides radicans 'Variegata', G. radicans 'Variegata'

Creamy white is broadly splashed across the bluish-green foliage of this miniature growing dwarf Gardenia adding soft light to cool garden spaces. 2" highly fragrant, double white blooms are nearly lost among the variegation in summer. A hard to find selection of the popular Dwarf Gardenia. Item# 841

Grows To: 1-2'H x 2-3'W
Outdoor Light: AM Sun, Part shade

Dark green curled fleshy foliage, edged in creamy white, is dense enough to appear as a living rope. Great for hanging baskets. Item # 699.

Grows To: May trail to 8'L
Outdoor Light: Light shade
3.5 inch Pot / 16 fl.oz. / 473 ml
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Dark green curled fleshy foliage, edged in creamy white is dense and twisted enough to appear as a living rope. Great for hanging baskets. From late spring to autumn, bears dense umbels up to 2-1/2 " across of 20 star-shaped, waxy, lightly scented flowers. Unusual. Item # 9674.

Grows To: May trail to 8'L
Outdoor Light: Light shade
2.25 inch Pot / 9.7 fl.oz. / 287 ml
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Variegated Japanese Fatsia, Japanese Aralia

Fatsia japonica 'Variegata'

The large tropical green foliage of this Variegated Fatsia is splashed with bright creamy white making this a standout in shaded gardens. Fatsia or Japanese Aralia makes an excellent choice for shaded locations and slowly develops into a fairly large shrub with time. Makes a wonderful specimen, informal hedge, or container plant for indoors or out. Item# 9305

Grows To: 3-6'H x 3-6'W
Outdoor Light: Light shade, Shade, Cool AM sun
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 0
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Variegated Stephanotis, Floradora, Madagascar Jasmine

Stephanotis floribunda 'Variegata', S. jasminoides

This  fragrant tropical vine flaunts wide cream to gold edging on the thick rich green foliage. Very fragrant, tubular, waxy white flowers are borne in clusters from early summer until late fall. Item # 9394.

Grows To: Vining to 20'
Outdoor Light: Light shade, Part shade
2.25 inch Pot / 9.7 fl.oz. / 287 ml
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Veilchenblau Climbing Rose

Rosa x 'Veilchenblau'

One of the bluest of old rambling roses. Less thorny than most roses, vigorous, and fairly disease resistant. Produces clusters of fragrant, small, purple blossoms in spring which darken to a blue-purple as they age. Item # 715.

Grows To: 12'H x 12'W
Outdoor Light: Full sun, Part sun

Vietchii Gardenia, Everblooming Gardenia

Gardenia jasminoides 'Veitchii'

With a dwarf habit and one of the longest blooming seasons of any Gardenia this is definitely a prized garden shrub or indoor plant. Produces an abundance of the highly fragrant, double white flowers are produced throughout much of the year when kept warm and in good health.  Item# 717

Grows To: 3-4'H x 3-4'W
Outdoor Light: Full sun, Part sun, Part shade
4.5 inch Pot / 20 fl.oz. / 591 ml
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Viette's Little Suzy Black-Eyed Susan, Rudbeckia, Showy Coneflower

Rudbeckia fulgida var. speciosa 'Viette's Little Suzy', Rudbeckia fulgida 'Blovi'

A compact and free flowering Black Eyed Susan, Viette's Little Suzy produces an abundance of golden yellow dark eyed daisies over an exceptionally long period beginning in summer and continuing into fall. The dwarf compact habit makes this an easy choice for near the front of the garden or landscape as well as in containers. The flowers attract pollinators and other garden beneficials and the ripe seed heads are a feast for songbirds. Item# 11208

Grows To: 10-16''H x 12-18''W
Outdoor Light: Full sun, Part sun
3.5 inch Pot / 16 fl.oz. / 473 ml
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US$7.99
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Vivid Fall Obedient Plant, False Dragonshead

Physostegia virginiana 'Vivid'

Dense clusters of large deep purplish pink tubular flowers are born in late summer and early fall on this easy native perennial. Vivid Obedient Plant  has a compact habit that tops out at about two feet and it will readily spread by rhizomes creating a mass of sturdy stems and flowers. An easy and reliable native perennial that enjoys moist areas and attracts a variety of pollinators. Item# 10623.

Grows To: 2-3'H x 8-12''W and spreading
Outdoor Light: Full sun, Part sun
3.5 inch Pot / 16 fl.oz. / 473 ml
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Whirling Butterflies Gaura, Apple Blossom Grass, Wand Flower, Lindheimer's Bee Blossom

Oenothera lindheimerii 'Whirling Butterflies, Gaura lindheimerii 'Whirling Butterflies'

Pink buds open to pure white butterfly-shaped flowers on tall wispy but sturdy stems on this fairly compact and floriferous native perennial.  Whirling Butterflies Gaura begins flowering in spring and may continue into fall under good conditions. Gauras are hardy and reliable, tap-rooted, and drought resistant native perennials. 

Grows To: 2-3'H x 18-30''W
Outdoor Light: Full sun, Part sun
3.5 inch Pot / 16 fl.oz. / 473 ml
Currently In Stock: 0
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White Bleeding Heart Vine

Clerodendrum x thompsoniae, C. thompsoniae

The White Bleeding Heart Vine produces large clusters of white, bell shaped, flower like calyces from which deep red almost butterfly-like flowers emerge. This vigorous twining tropical climber will flower throughout the warmer months of the year or practically year round where protected from frosts and freezes. The dark green foliage acts as the perfect foil for the long-lasting bright white calyces. The White Bleeding Heart Vine may freeze to the ground in the coldest portions of its range but established plants typically return in spring. An easy and rewarding container plant where not hardy. Item # 723.

USDA Cold Hardiness Zones: 9,10,11,(8B? with protection)
Grows To: 12-20'H with support
Outdoor Light: Part shade, Light shade, Cool Morning or Late Afternoon sunlight
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 12
US$12.99

White Bleeding Heart Vine

Clerodendrum x thompsoniae, C. thompsoniae

The White Bleeding Heart Vine produces large clusters of white, bell shaped, flower like calyces from which deep red almost butterfly-like flowers emerge. This vigorous twining tropical climber will flower throughout the warmer months of the year or practically year round where protected from frosts and freezes. The dark green foliage acts as the perfect foil for the long-lasting bright white calyces. The White Bleeding Heart Vine may freeze to the ground in the coldest portions of its range but established plants typically return in spring. An easy and rewarding container plant where not hardy. Item # 723.

USDA Cold Hardiness Zones: 9,10,11,(8B? with protection)
Grows To: 12-20'H with support
Outdoor Light: Part shade, Light shade, Cool Morning or Late Afternoon sunlight

Clusters of pure-white, butterfly-like, fragrant blooms are born in summer atop the tropical foliage and sturdy lush stems. Cut the flowers and put them in a vase and they can perfume an entire room with their sweet fragrance. This is an old garden favorite, easy and reliable. The White Butterfly Ginger multiplies slowly and reliably but generally not invasively. Item # 1065.

Grows To: 4-6'H
Outdoor Light: AM sun, Filtered shade, Part sun, Part shade, Light shade
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 0
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A crown of deep sapphire blue filaments create a striking contrast with the white petals and sepals that are held against the rich green foliage throughout the growing season. The Blue Crown Passionflower is a vigorous growing tropical vine and can easily reach 20' once well-established. This is also one of the most reliably cold hardy Passionvines with foliage remaining evergreen in the mildest 8B winters but dying back to the ground in severe winters and returning readily in spring. The Blue Crown Passionflower may spread somewhat by rhizomes but it is generally much more tame than the Maypop. Cross pollination may produce tropical tasting tangy fruit that surrounds the dark seeds inside. Click on "More Details and Growing Info" or the image to learn more about growing Passionvines as perennials in containers or in the garden and landscape. Item# 733

Grows To: 15-20'H+
Outdoor Light: Full sun, Part sun, Part shade
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 10
US$14.99
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White Plumbago, Cape Leadwort

Plumbago auriculata alba, P. capensis alba

Pure white flowers in clusters are produced from early summer until fall on this great, semi-woody perennial. Plumbago is a heat, sun, and drought tolerant tropical or tender perennial that makes a great addition to container gardens or it is often found growing as a groundcover, hedge, tree form, and espaliered on fences in mild winter climates. Item# 1172.

Grows To: 2-3'H x 3'W (6-8' in mild climates)
Outdoor Light: Full sun, Part sun, Part shade

White Profusion Butterfly Bush

Buddleja davidii 'White Profusion'

White, fragrant bloom spikes reaching 16", are held against the green, velvety foliage. Attracts scads of butterflies. Considered by many to be the best white butterfly bush. Item # 735.

Grows To: 4-6'H x 3-5'W
Outdoor Light: Full sun, Part sun, Part shade
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 0
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Large 3" white trumpets adorn this vigorous perennial vine in summer and are born in clusters in the leaf axils. The White Sky Vine is vigorous enough to cover a 20' trellis by mid-summer and is considered a root hardy perennial into zone 8. The dark green, velvety foliage provides a nice foil for the pure white, yellow throated flowers. Item#  10347.

Grows To: 15'-30'H
Outdoor Light: Full sun, Part sun, Part shade
4.5 inch Pot / 20 fl.oz. / 591 ml
Currently In Stock: 0
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Large 3" white trumpets adorn this vigorous perennial vine in summer and are born in clusters in the leaf axils. The White Sky Vine is vigorous enough to cover a 20' trellis by mid-summer and is considered a root hardy perennial into zone 8. The dark green, velvety foliage provides a nice foil for the pure white, yellow throated flowers. Item#  10656

Grows To: 15'-30'H
Outdoor Light: Full sun, Part sun, Part shade
Quart Pot / 30 fl.oz. / 887 ml
Currently In Stock: 0
US$19.99
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White Woodland Painted Petals, White Flowering Grass

Freesia laxa 'Alba', Anomatheca laxa, A. cruenta, Lapeirousia laxa

From flattened iris-like bluish-green fans emerge spikes of pure white 1" wide flowers in late spring and early summer. An uncommon pure white form of Woodland Painted Petals or Flowering Grass, Freesia laxa var. alba is an easily grown cormous heirloom perennial and RHS Award of Garden Merit winner which readily multiplies via seed to make a loose groundcover. Provide an average to well-drained soil in a full to partly sunny site for optimum vigor and flowering. Freesia laxa is suitable for container culture as well as in the garden and landscape. Naturally winter dormant. Typically 2-3 or more bulbs per pot. Item# 11792

Grows To: 8-12"H x 12"W space at about 6-12" apart
Outdoor Light: Full sun, Mostly sunny, Part shade, Part sun
2.25 inch T / 9.7 fl.oz. / 287 ml
Currently In Stock: 0
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Wildcat™ Mandarin Pimpernel, Blue Pimpernel, Garden Pimpernel, Flaxleaf Pimpernel

Anagallis morelli 'Wildcat Mandarin', Lysimachia morelli PP18845

1" wide soft orange saucer-shaped flowers cover the low trailing stems adorned with deep green narrow foliage throughout the growing season (spring or early summer to first frost typically). Wildcat Mandarin™ Pimpernel or Anagallis is an excellent low growing perennial groundcover or spiller for containers and colorful borders in the garden or landscape. It needs a good quality soil with excellent drainage, average moisture and full sun to mostly sunny site for optimum vigor and flowering. Wildcat™ Mandarin is a relatively new selection of this Meditteranean native developed at the University of New Hampshire by Rosanna Freyre and selected for its extended display of larger orange flowers and vigorous habit. It can be utilized as an annual where not cold hardy. Try it in combinations with deep blue flowers for a dazzling effect! Item# 12019

USDA Cold Hardiness Zones: 9,10,11,(8A?,8B?)
Grows To: 18-24"H x 18-24"W possibly slightly larger with age in frost free climates
Outdoor Light: Full sun, Mostly sunny
3.5 inch Pot / 16 fl.oz. / 473 ml
Currently In Stock: 0
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Large pyramidal clusters of 1" long, tubular, light lemon yellow flowers are produced throughout summer on this vigorous and easy to grow tropical to subtropical shrub or root hardy perennial. Willow-Leaved Cestrum, or Chilean Jessamine, is an easy to grow and relatively pest free addition to the perennial garden or use it as a hedge or screen in mild winter climates. It grows to about 5' as a perennial and can reach 7-10'H or even 14'H as a shrub. One of the most cold hardy Cestrums. Item# 11317

Grows To: 4-8'H+ x 4-6'W, to 12-14'H in mild winter climates
Outdoor Light: Full sun, Part sun, Part shade

Variegated Blue Sky Vine, Blue Trumpet Vine

Thunbergia grandiflora 'Variegata'

Large creamy yellow, white, and green foliage acts as the backdrop for large hanging clusters of 3" wide, sky blue trumpet shaped flowers that are produced on new growth throughout the summer and into fall. The Variegated Blue Sky Vine is a vigorous twining tropical vine that revels in the warmth of summer and this form appears to be just as vigorous and sun loving as the solid green form. Evergreen in frost free locations, establish in spring once the danger of frost has past as a die-back perennial vine in zones 8-9, or it can easily be maintained as a container plant where not hardy. Item# 1234

Grows To: 15'-30'H
Outdoor Light: AM sun, Part shade, Light shade

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