Please submit a search term.

Navigate

hide show
Scientific Name Common Name(s) Plant Category Image
Quercus stellata Post oak Native Plants, Poisonous Plants, Trees
Quercus variabilis Oriental oak Poisonous Plants, Trees
Quercus virginiana Live oak Native Plants, Poisonous Plants, Trees
Ranunculus Persian buttercup, Ranunculus Poisonous Plants, Summer Bulbs
Ranunculus carolinianus Carolina buttercup Poisonous Plants, Wildflowers
Ranunculus hybrids Persian Buttercup Poisonous Plants, Spring Bulbs
Ranunculus spp. Buttercup, crowfoot Annuals, Perennials, Poisonous Plants
Rhamnus caroliniana Carolina buckthorn Poisonous Plants, Trees
Rhamnus cathartica Common buckthorn Poisonous Plants, Trees
Rhamnus fragula Alder buckthorn, Glossy buckthorn Poisonous Plants, Shrubs
Rhamnus spp. Buckthorn Poisonous Plants
Rheum X cultorum (R. rhaponticum, R. rhabarbarum) Rhubarb Poisonous Plants
Rhododendron 'Ramapo' Ramapo rhododendron Poisonous Plants, Shrubs
Rhododendron 'Windbeam' Windbeam Poisonous Plants, Shrubs
Rhododendron ×bakeri 'Clyo Red' Cumberland azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron alabamense Alabama azalea Poisonous Plants, Shrubs
Rhododendron arborescens Smooth azalea, Sweet azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron atlanticum Coastal azalea, Dwarf azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron austrinum Florida azalea Poisonous Plants, Shrubs
Rhododendron calendulaceum Flame azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron canescens Hoary azalea, Mountain azalea, Piedmont azalea, Pinxter flower Native Plants, Poisonous Plants, Shrubs
Rhododendron carolinianum Carolina rhododendron, Punctatum Native Plants, Poisonous Plants, Shrubs
Rhododendron catawbiense Catawba rhododendron, Mountain rosebay, Purple rhododendron Native Plants, Poisonous Plants, Shrubs
Rhododendron eriocarpum Dwarf Indica (Gumpo) Azalea Groundcover, Poisonous Plants
Rhododendron flammeum Oconee azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron kaempferi Kaempferi azaleas Poisonous Plants, Shrubs
Rhododendron maximum Max, Rosebay rhododendron, White laurel Native Plants, Poisonous Plants, Shrubs
Rhododendron minus Dwarf rhododendron, Minus, Piedmont rhododendron Native Plants, Poisonous Plants, Shrubs
Rhododendron minus var. Chapmanii Chapman's rhododendron Poisonous Plants, Shrubs
Rhododendron minus var. minus 'Southern Cerise' Piedmont Rhododendron Native Plants, Poisonous Plants, Shrubs
Rhododendron mucronulatum Korean rhododendron Poisonous Plants, Shrubs
Rhododendron obtusum Hiryu azalea, Kurume azalea Poisonous Plants, Shrubs
Rhododendron periclymenoides Pinxter flower, Pinxterbloom azalea, Wild azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron prinophyllum Election pink, Roseshell azalea Poisonous Plants, Shrubs
Rhododendron prunifolium Plum leaf azalea, Plumleaf azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron schlippenbachii Royal azalea Poisonous Plants, Shrubs
Rhododendron Southern Indica Hybrids Southern Indica hybrid azalea, Sun azalea Poisonous Plants, Shrubs
Rhododendron spp. Rhododendron, azalea Poisonous Plants
Rhododendron spp. 'Knaphill and Exbury Azaleas' Knaphill and Exbury Azaleas Poisonous Plants, Shrubs
Rhododendron vaseyi Pinkshell azalea Native Plants, Poisonous Plants, Shrubs
Rhododendron viscosum Clammy azalea, Swamp azalea, Swamp honeysuckle Native Plants, Poisonous Plants, Shrubs
Rhododendron yakusimanum Yak rhododendron Poisonous Plants, Shrubs
Rhodotypos scandens Black jetbead, White kerria, jetberry bush Poisonous Plants, Shrubs
Rhoeo spathacea Moses-in-the-cradle, Oyster plant Poisonous Plants
Ricinus communis Castor bean, castor-oil plant Annuals, Poisonous Plants
Robinia pseudoacacia Black locust, Common locust, Yellow locust Native Plants, Poisonous Plants, Trees
Rumex hastatulus Hastate-leaved dock, Sorrel, Sour dock Poisonous Plants, Wildflowers
Rumex spp. Dock, Sorrel Edible Plants, Herbs, Poisonous Plants
Ruta graveolens Rue Herbs, Poisonous Plants
Sambucus canadensis American elder, American elderberry, Elderberry Native Plants, Poisonous Plants, Shrubs