Inkberry Holly (spp.) Inkberry Holly 'Chamzin (Nordic™)'
Inkberry Holly 'Compacta' Inkberry Holly 'Densa'
Inkberry Holly 'Ivory Queen' Inkberry Holly 'Nigra'
Inkberry Holly 'Red Tip' Inkberry Holly 'Shamrock'
Inkwood 'Innocence' English Larkspur
'InSpired® Pink' Butterflybush: Buddleia 'InSpired® Violet' Butterflybush: Buddleia
'InSpired® White' Butterflybush: Buddleia 'Intrigue' Rose
Invanaa Flat-top Acacia Iris, Bearded 'Arctic Fury'
Iris, Bearded 'Batik' Iris, Bearded 'Before the Storm'
Iris, Bearded 'Beverly Sills' Iris, Bearded 'Blue Asterisk'
Iris, Bearded 'Champagne Elegance' Iris, Bearded 'Chasing Rainbows'
Iris, Bearded 'Crystal Blue' Iris, Bearded 'Earl of Essex'
Iris, Bearded 'Fancy Brass' Iris, Bearded 'Fancy Lady'
Iris, Bearded 'Gold Galore' Iris, Bearded 'Hidden World'
Iris, Bearded 'Honky Tonk Blues' Iris, Bearded 'Immortality'
Iris, Bearded 'Java Sunbird' Iris, Bearded 'Krugerand'
Iris, Bearded 'Lemon Lyric' Iris, Bearded 'Mary Frances'
Iris, Bearded 'My Pretty Valentine' Iris, Bearded 'Red At Night'
Iris, Bearded 'River Hawk' Iris, Bearded 'Thornbird'
Iris, Bearded 'Total Recall' Iris, Bearded 'Treasure Map'
Iris, Bearded 'Vanitie' Iris, Bearded 'Windsor Rose'
Iris, Illyrian Iris, Tall Bearded German 'Arctic Fury'
Iris, Tall Bearded German 'Batik' Iris, Tall Bearded German 'Before the Storm'
Iris, Tall Bearded German 'Beverly Sills' Iris, Tall Bearded German 'Blue Asterisk'
Iris, Tall Bearded German 'Champagne Elegance' Iris, Tall Bearded German 'Chasing Rainbows'
Iris, Tall Bearded German 'Crystal Blue' Iris, Tall Bearded German 'Earl of Essex'
Iris, Tall Bearded German 'Fancy Brass' Iris, Tall Bearded German 'Fancy Lady'
Iris, Tall Bearded German 'Gold Galore' Iris, Tall Bearded German 'Hidden World'
Iris, Tall Bearded German 'Honky Tonk Blues' Iris, Tall Bearded German 'Immortality'
Iris, Tall Bearded German 'Java Sunbird' Iris, Tall Bearded German 'Krugerand'
Iris, Tall Bearded German 'Lemon Lyric' Iris, Tall Bearded German 'Mary Frances'
Iris, Tall Bearded German 'My Pretty Valentine' Iris, Tall Bearded German 'Red At Night'
Iris, Tall Bearded German 'River Hawk' Iris, Tall Bearded German 'Thornbird'
Iris, Tall Bearded German 'Total Recall' Iris, Tall Bearded German 'Treasure Map'
Iris, Tall Bearded German 'Vanitie' Iris, Tall Bearded German 'Windsor Rose'
Iris, Zigzag 'Iron Butterfly' Narrow Leaf Ironweed
Ironweed, Narrow Leaf 'Iron Butterfly' Ironwood, Desert
Ironwood, Southern Ironwood: caroliniana
Ironwood: paniculata Ironwood: tesota
'Iseli Fastigiata' Colorado Spruce 'Iseli Foxtail' Colorado Spruce
Island Gooseberry Islay
Italian Stone Pine 'Ivory Queen' Gallberry Holly
Ivy Palm, Australian (spp.) Jack in the Pulpit: triphyllum
Jack Pine 'Jackii' Siberian Crabapple
'Jacob Cline' Bee Balm: didyma 'Jamaica' Rose
Jamaican Palmetto Jambolan Plum
'Jane' Magnolia 'Janice Brown' Daylily
'Janna' Rose