1 The Show was held at the Pennsylvania Convention Center in downtown Philadelphia.
2 The Center includes more than two-million square feet of space, with seven exhibit halls, more than 80-meeting rooms, and the largest ballroom in the Northeast.
3 The theme of this year's Philadelphia Flower Show was "Explore America" - a display of the expansive range of horticulture in the nation's landscape.
4 The exhibits included tens of thousands of windflowers, fragrant blooms, and verdant meadows.
5 It recreated forests and trails from various US national parks.
6 And, provided lots of spring elements for guests to enjoy, such as this large bed of colorful tulips.
7 Tiarella 'Sunset Ridge' is a rhizomatous, clump-forming tiarella hybrid, which is loved for its compact size, trailing form and patterned foliage with white flowers. The spring blooms grow in bottle-brush like racemes atop mostly leafless stems, which rise above the foliage mound.
8 Dendrobium Little Atro can grow up to 20-inches tall. Its evergreen canes are topped by a single three to five inch long inflorescence.
9 Bergenia 'Bressingham Ruby' is a very hardy and reliable evergreen with deep burnished maroon winter color foliage that turns a deep green as the weather gets warmer.
10 Look at the giant leaves of this Alocasia 'Blue Shield'. I am a big fan of Alocasia, also known as elephant ear plants, and have a large collection that I display during summer at my Bedford farm and at Skylands, my home in Maine.
11 This exhibit was inspired by the famous photography of Ansel Adams. it includes Sweet Huck, Midollino Cane, Phalaenopsis Orchids, and Japanese Sweet Peas.
12 The Aspens, Grand Canyon National Park in Arizona, is represented with some of the more than 2100-plants that live in the area. Birch branches and logs, Foxtail asparagus, ferns, dendrobium orchids, and tulips.
13 This represents the Vernal Fall at California's Yosemite National Park - a 317-for waterfall. Nearly four million people visit Yosemite every year.
14 Dendrobium orchids, Gypsophilia, and skeletonized leaves form this section of the national park. Yosemite is in the central eastern portion of California and covers an area of 747,956 acres of land.
15 Gypsophelia, or baby's breath, tied together in bouquets to form the base of the waterfall display.
16 California's Kings Canyon National Park is in the southern Sierra Nevada and covers more than 460,000 acres. Featured elements include reclaimed wood, mini callas, sustainable color enhanced cymbidium orchids, pine and roses.
17 The beautiful flowers from the Japan Flowers and Plants Export Association - such a pretty display of spring color.
18 Here's another view of these wonderful flowers.
20 Here are more vases of cut Cymbidium blooms.
21 Asplenium is a genus of about 700-species of ferns. The common name is spleenworts, but several similar species are known as bird's nest ferns, and walking ferns.
22 Very pretty Ranunculus blooms
23 This is Lathyrus odoratus.
24 And, these are Dianthus caryophyllus.
25 Teucrium fruticans is a species of flowering plant in the mint family. It grows about three feet tall by four feet wide and is a spreading evergreen shrub with arching velvety white shoots, glossy aromatic leaves and pale blue flowers in summer.
26 A lovely window display of succulents. Agave univittata, Euphorbia milii, Cephalocereus senilis, Hawthoria, Opuntia, etc.
27 This is Euphorbia lactea, a species of spurge. It is an erect shrub with succulent branches that are ridged, with a triangular or rhombic cross-section. The ridges are spiny and the leaves are minute. It is also called Mottled Spurge, Frilled Fan, Elkhorn dragon bones, and dragon bones.
28 Cephalocerous senilis, or Old Man Cactus, is a species native to eastern Mexico. The most striking feature is the shaggy coat of long, white hairs. The hairs are actually modified spines that protect the plant from frost and the sun. They also conceal sharp yellow central spines underneath.
29 This is Euphorbia grandicornis.
30 Mammillaria Lenta is an attractive cactus with dense criss-crossing spines.
31 Mamillaria hahniana 'Superba'
32 Mamillaria humboldtii
33 Echinopsis sp. cristata forms dark coppery purple crests and nice pink flowers.
34 Euphorbia symmetrica
35 Pachypodium lamerei cristata.
36 Pachypodium lamerei cristata is an intricate form of fan-shaped branches growing in a snake-like pattern, with long, shiny dark green leaves. During winter, the plant loses most of its foliage, and then grows it back for summer.
37 Mestoklema Tuberosa
38 Amorphophallus konjac Amorphophallus, commonly known as Zaminkand, is a large genus of some 200-tropical and subtropical tuberous herbaceous plants. Konjac is a hardy plant with one giant divided leaf on top of a four to five foot tall green-purple mottled fleshy stalk.
39 Primulina 'Rachel'
40 Clivia miniata 'Jack Christie'
41 Clivia miniata cv
42 Cattlianthe "Trick or Treat Ty's Rutgers Triumph"
43 Dendrobium anosmum 'Touch of Class' is a popular variety for many orchid growers. Well grown plants can throw stems full of splashed petal flowers more than three feet long.
44 Dendrobium amethystoglossum is among the most beautiful Dendrobium species when in flower. It is an upright-grower, and old canes should not be removed as the plant can flower on them for several years.
45 Dendrobium nobile virginale has soft while flowers with a yellowish green center to the lip - another pretty specimen.
46 Another beautiful Cymbidium - 'Robins Return'
47 Cymbidium 'Jim Duffin'
48 A Paphiopedilum orchid - often called the Venus slipper, is a genus of the Lady slipper orchid subfamily Cypripedioideae.
49 Stenosarcos vanguard 'Fireball' is a rosette of eight to 10 leaves with silver-green varigated foliage - very attractive even when not in bloom.
50 Euphorbia rossii x Decaryi Decaryi
51 Euphorbia lactea crest
52 Euphorbia esculenta is one of the most ornamental of the classic medusoid Euphorbias, with thick, pale-green arching arms.
53 This is Haworthia coaretala greenii. Haworthia is a genus of many small succulents from southern Africa that have such beautiful architectural interest and are easy to grow.
54 Albuca spirals has tightly curled leaves and light vanilla-scented yellow flowers. It gives such an interesting show even when not flowering.
55 And, a Staghorn fern - I love Staghorns.
56 Ledebouria socialis is also known as silver squill or wood hyacinth - a geophytic species of bulbous perennial plant native to the Eastern Cape Province of South Africa. It is popular among cactus and other succulent growers.
57 I just had to stop by to see the beautiful Begonias.
58 Begonia 'Bashful Bandit'
59 It has such large, dark-green showy leaves.
60 Begonia 'Cowardly Lion'
61 Begonia amphioxus is a rare species of Begonia with amazingly patterened foliage. Each apple-green leaf is spotted with bright crimson that also edges each leaf blade. It is a rhizomatous species native to Asia.
62 This is Psilotum nudum 'Kin Gyoku'.
63 Helleborus argutifolius 'Snow Fever'
64 Japanese red pine
65 The Philadelphia Flower Show is a great source for seeds - so many packets from which to choose. There is still time - have you ordered all your seed packets for the planting season? These are all from the Hudson Valley Seed Library. http://www.seedlibrary.org
66 Here I am with Ken Greene from Hudson Valley Seed Library.
67 There were also many small plantings available for sale.
68 This is a Starfire lily - a prolific and sturdy flower that just lights up the garden.
69 And, Foxtail lilies
70 Eremurus or foxtail lily is a member of the lily family but its roots are more like a regular tuberous perennial - thick fleshy spreading in all directions. When Planting, don't fold the root - make the hole much bigger than the root and plant five-inches deep.
71 Bowiea is a bulbous genus of perennial, succulent plants which thrive in dry and desert regions of eastern and southern Africa. These plants have many overlapping scales, which form tight, pale-green bulbs that grow above soil.
72 Bowiea also has twining fresh-green branched stems with very few leaves. The genus is named after the 19th century British plant collector, James Bowie.
73 Here I am with some of the members of the Pennsylvania Horticultural Society and staff of the show.