Plant Growing Guides

Iceberg Classic

Lactuca sativa var. capitata

Iceberg Lettuce

Lactuca sativa var. capitata

Iceberg Lettuce 'Salinas'

Lactuca sativa var. capitata

Ice Dance

Ilex verticillata 'Ice Dance'

Ice Follies

Narcissus pseudonarcissus 'Ice Follies'

Icelandic Poppy San Francisco

Papaver meconopsis

Ice Maiden

Ilex verticillata 'Ice Maiden'

Ice Maiden Bluebird

Veronica prostrata 'Ice Maiden'

Icicle Radish

Raphanus sativus var. longipinnatus

Icicle Radish

Raphanus sativus var. longipinnatus

Icy Green

Lactuca sativa var. crispa

Idaho Fescue

Festuca idahoensis

Winterberry Holly (Male Pollinator)

Ilex verticillata

Dwarf Winterberry Holly

Ilex verticillata 'Nana'

Winterberry Holly 'Nora'

Ilex verticillata 'Nora'

Winterberry Holly 'Southern Gentleman'

Ilex verticillata 'Southern Gentleman'

Sparkleberry Winterberry

Ilex verticillata 'Sparkleberry'

Winterberry Holly 'Winter Red'

Ilex verticillata 'Winter Red'

Impatiens Sparkler Mixed Colors

Impatiens walleriana 'Sparkler'

Impatiens Pink

Impatiens walleriana

Impatiens Rosette

Impatiens walleriana 'Rosette'

Impatiens Super Elfin

Impatiens walleriana 'Super Elfin'

Impatiens, Super Elfin

Impatiens walleriana 'Super Elfin'

Imperial Lettuce

Lactuca sativa var. capitata

Imperial Green

Brassica oleracea var. acephala

Imperialis Lily

Fritillaria imperialis

Imperialis Lily Yellow Crown

Lilium imperiale 'Yellow Crown'

Improved Purple Choy Sum

Brassica rapa subsp. parachinensis

Incomparabilis Daffodil

Narcissus × incomparabilis

Incomparabilis Daffodil Intermediate

Narcissus × incomparabilis

Incomparabilis Daffodil Scarlet Elegance

Narcissus pseudonarcissus × Narcissus poeticus (Incomparabilis hybrid)

Incrediball Hydrangea

Hydrangea arborescens 'Incrediball'

Indiangrass

Sorghastrum nutans

Indianhead

Echinacea angustifolia

Indian Mustard

Brassica juncea

Indian Mustard Green Wave

Brassica juncea

Indigenous Ferns

Pteridophyta (various species)

Indigenous Flowering Perennials

Various native species (region-dependent)

Inkberry Holly Jersey Princess

Ilex glabra 'Jersey Princess'

Inkberry 'Shamrock'

Ilex glabra 'Shamrock'

Inky Fingers

Ipomoea batatas 'Inky Fingers'

Inland Sedge

Carex nebrascensis

Innocence

Houstonia caerulea

Inodorum

Tripleurospermum inodorum

Interior Douglas-fir

Pseudotsuga menziesii var. glauca

Intermediate Wheatgrass

Thinopyrum intermedium

Inula

Inula helenium

Invicta Gooseberry

Ribes uva-crispa 'Invicta'