Perennials: Iron - Jaco (100)
Iron Butterfly Foamflower: Tiarella
Iron Butterfly Narrow Leaf Ironweed
Iron Cross Begonia
Iron Fern
Iron Gate Delight Hosta
Ironweed, Narrow Leaf Iron Butterfly
Ironweed, New York
Irvine Currant Florist's Chrysanthemum
Irvine Dark Bronze Florist's Chrysanthemum
Irvine Pink Florist's Chrysanthemum
Irvine Red Florist's Chrysanthemum
Irvine Regal Florist's Chrysanthemum
Irvine Yellow Florist's Chrysanthemum
Isabelle Pring Waterlily
Isabelle Tussock Bellflower
Island Alumroot
Island Brocade Broadleaf Sedge
Island Charm Hosta
Island Delight Daylily
Island Sagebrush
Isoplexis
Italian Alkanet (spp.)
Italian Alkanet Dropmore
Italian Arum (spp.)
Italian Arum Marmoratum
Italian Arum Pictum
Italian Arum White Winter
Italian Aster King George
Italian Aster Nocturne
Italian Aster Pink Zenith
Italian Aster Sonia
Italian Bugloss (spp.)
Italian Bugloss Dropmore
Ivorine Wolfsbane
Ivy Geranium (spp.)
Ivy Geranium Colorcade Lavender
Ivy Geranium Sunset
Ivy Geranium Tornado Lilac
Ivy, Grape (spp.)
Ivy, Grape Ellen Danica
Ivy, Grape Mandaiana
Ivy, Ground (spp.)
Ivy, Ground Variegated
Ivy, Mexican (spp.)
Ivy, Mexican White
Ivy, Oak Leaf (spp.)
Ivy, Oak Leaf Ellen Danica
Ivy, Oak Leaf Mandaiana
Ivy, Swedish (spp.)
Ivy, Swedish Silver Shield
Ivy: ciliatus, Swedish (spp.)
Ivy: ciliatus, Swedish Zulu Wonder
Ivy: forsteri, Swedish Green on Green
Ivy: forsteri, Swedish Marginatus
Ivy: Plectranthus , Swedish Cerveza 'n Lime
Ivy: Plectranthus , Swedish Lois Woodhull
Ivy: Plectranthus , Swedish Nicodemus
Ivy: Plectranthus , Swedish Nicolleta
Ivy: Plectranthus , Swedish Old Gold
Ivy: Plectranthus , Swedish Zulu Wonder
Jaburan Lilyturf
Jack Catlin Aeonium
Jack Frost Siberian Bugloss
Jack in the Pulpit
Jack in the Pulpit, Japanese
Jack in the Pulpit: ciliatum
Jack in the Pulpit: consanguineum
Jack in the Pulpit: dracontium
Jack in the Pulpit: fargesii
Jack in the Pulpit: heterophyllum
Jack in the Pulpit: jacquemontii
Jack in the Pulpit: kiushianum
Jack in the Pulpit: nepenthoides
Jack in the Pulpit: ringens
Jack in the Pulpit: serratum
Jack in the Pulpit: sikokianum takedaehybrid
Jack in the Pulpit: speciosum
Jack in the Pulpit: taiwanensis
Jack in the Pulpit: takedae
Jack in the Pulpit: thunbergii
Jack in the Pulpit: tortuosum
Jack in the Pulpit: triphyllum
Jack in the Pulpit: utile
Jack in the Pulpit: yamatense
Jack Spratt Flax
Jackal's Tail Aloe
Jackman Clematis (spp.)
Jackman Clematis Purpurea Superba
Jackmanii Clematis: (n)
Jackman's Blue Garden Rue
Jackpot Tanacetum
Jacob Cline Bee Balm: didyma
Jacobean Lily Superba
Jacob's Ladder Purple Rain
Jacob's Ladder (spp.)
Jacob's Ladder, Creeping
Jacob's Ladder, Northern Heavenly Habit
Jacob's Ladder, Spreading
Jacob's Rod (spp.)
Jacob's Rod Yellow Candles