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Plants by A-Z (I)

Safe to Feed

Ice Plant (Iceplant)
Sedum spectabile; Hylotelephium spectabile

Feed in Moderation

Ice Plant (Iceplant, Trailing Ice Plant, Dew Flower)
Delosperma spp.; Lampranthus spp.; Drosanthemum spp.

Feed in Moderation

Iceberg Lettuce
Lactuca sativa

Feed Sparingly

Indian Bean Tree (Catalpa, Cigar Tree)
Catalpa spp.

Do not Feed

Iris (Flag Iris, Bearded Iris, Reticulated Iris)
Iris spp.

Do not Feed

Iris (Yellow Flag, Flag Iris, Water Iris, Water Flag)
Iris pseudacorus; I. laevigatae; I. versicolour; I. virginica

Do not Feed

Ivy (English Ivy)
Hedera spp. (esp. Hedera Helix)

Feed in Moderation

Ivy Leaved Toadflax (Kenilworth Ivy)
Cymbalaria muralis