Iberis sempervirens Candytuft (perennial)

Perennial, 1' tall, dark green mound, perfect for borders, showy white spring flowers, sun, zones 1-24

Ilex aquifolium English Holly, Christmas Holly (shrub)

Evergreen shrub, slow growth to 40' tall, 25' wide, variable leaf shapes, sun/part shade, zones 4-9, 14-17

Ilex aquifolium 'Variegata' English Holly, Christmas Holly (shrub) [See Photo]

Evergreen shrub, slow growth to 40' tall, 25' wide, yellow edged leaves, sun/part shade, zones 4-9, 14-17

Ilex cornuta 'Burfordii' Burford Holly (shrub)

Evergreen shrub, 15' tall, 10' wide, downward cupped leaves, nearly spineless, sun/part shade, zones 4-24

Ilex cornuta 'Rotunda' Dwarf Chinese Holly (shrub) [See Photo]

Evergreen shrub, compact low growth, 3-4' tall, 6-8' wide, no berries, rigid spiny leaves, sun/part shade, zones 4-24

Ilex crenata 'Compacta' Japanese Holly, Green Island Holly (shrub)

Evergreen shrub, rounded to 6'tall/wide, dense habit, black berries, sun/part shade, zones 4-24

Ilex crenata 'Sky Pencil' Japanese Holly (shrub)

Evergreen shrub, columnar growth, 6-8' tall, narrow habit, dark green foliage, part shade, zones 3-9, 14-24

Ilex dimorphopylla Okinawan Holly (shrub)

Evergreen shrub, 5' tall, 3' wide, leaves closely set together with short spines, small red berries, sun, zones 16, 17, 19-24

Ilex meserveae 'Blue Boy' Holly (shrub)

Evergreen shrub, 10' tall/wide, male pollinizer, yellow berries, purple stems, sun/part shade, zones 3-24

Ilex meserveae 'Blue Girl' Holly (shrub)

Evergreen shrub, 10' tall/wide, female pollinizer, red berries, purple stems, sun/part shade, zones 3-24

Ilex vomitaria 'Pride of Houston' Espalier Yaupon Holly (shrub)

Evergreen shrub, upright to 15' tall/wide, profuse berries, good screen, sun, zones 4-9, 11-24

Ilex vomitaria 'Stokes' Yaupon Holly (shrub) [See Photo]

Evergreen shrub, 3-4' tall/wide, male, closely set dark leaves, sun/part shade, zones 4-9, 11-24

Ilex vomitaria 'Will Fleming' Yaupon Holly (shrub)

Evergreen shrub, narrow to 8' tall, male, closely set dark leaves, sun/part shade, zones 4-9, 11-24

Ilex x 'Little Rascal' P#9999 Holly (shrub) [See Photo]

Evergreen, dense compact form to 2-3', leaves turn purple in winter, extremely cold hardy, excellent pollinizer, sun/part-shade, zones 1-24

Ipomea hyb. 'Blue Dawn' Morning Glory (vine)

Perennial vine, vigorous growth to 30', bright blue flowers in spring/fall, sun, zones 8, 9, 12-24

Iris 'Pacific Coast' Maroon (perennial)

Perennial from rhizomes, clumps of coarse grass-like narrow foliage, maroon flowers, sun/part shade, zones 1-24

Iris 'Pacific Coast' Purple (perennial)

Perennial from rhizomes, clumps of coarse grass-like narrow foliage, purple flowers, sun/part shade, zones 1-24

Iris 'Pacific Coast' Yellow (perennial)

Perennial from rhizomes, clumps of coarse grass-like narrow foliage, yellow flowers, sun/part shade, zones 1-24

Iris siberian 'Caesar's' (perennial)

Perennial from rhizomes, clumps of narrow grass-like leaves (deciduous), blue flowers, sun/part shade, zones 1-10, 14-23

Isotoma fluviatilis 'Mini Blue' Pratia, Blue Star Creeper (perennial) [See Photo]