Abelia × grandiflora radiance
Heuchera red lightning
Thuja occidentalis rheingold
Anemone x hybrida rosenschale
Anemone tomentosa robustissima
Anemone nemorosa robinsoniana
Anemone nemorosa royal blue
Malus domestica red delicious
Rosa royal jubilee
Rosa rio samba
Rosa radiant perfume
Rosa red drift
Rosa reine des violettes
Rosa ringo
Rosa ringo double pink
Rosa rouge royale
Rosa rainbow knock out
Rosa rambling rector
Rosa rhapsody in blue
Rosa roosemoor
Hydrangea macrophylla rotschwanz
Hydrangea macrophylla romance
Hydrangea quercifolia ruby slippers
Paeonia officinalis rosea plena
Paeonia red charm
Paeonia red emperor
Paeonia red spider
Paeonia roselette
Paeonia rozella
Astilbe red sentinel
Astilbe rheinland
Astilbe rhythm and blues
Astilbe rock and roll
Tulipa rasta parrot
Tulipa rem’s favorite
Tulipa renown
Tulipa rococo
Tulipa roussillon
Tulipa royal acres
Tulipa royal virgin
Tulipa recreado
Tulipa red emperor
Tulipa red impression
Tulipa red riding hood
Tulipa red shine
Tulipa ronaldo
Crocus chrysanthus romance
Crocus tommasinianus roseus
Crocus tommasinianus ruby giant
Crocus vernus remembrance
Hosta royal standard
Hosta revolution
Hosta rainforest sunrise
Hosta rainbows end
Hosta regal splendor
Hosta rhino hide
Hosta royal crest
Hosta wrinkle in time
Allium round and purple
Allium amethystinum red mohican
Magnolia stellata royal star
Magnolia × soulangeana rustica rubra
Potentilla fruticosa red ace
Juniperus communis repanda
Cornus florida f. rubra
Rhododendron roseum elegans
Rhododendron rosy lights
Rhododendron ramapo
Rhododendron rosebud
Acer palmatum red dragon
Symphyotrichum oblongifolium raydon’s favorite
Aster amellus rosa erfullung
Aster novae-angliae rosa sieger
Aster novi-belgii royal ruby
Iris ensata returning tide
Iris sibirica ruffled velvet
Iris rajah
Iris rare treat
Iris red rider
Iris royal snowcap
Iris royal storm
Helleborus Winter Jewels red sapphire
Helleborus Winter Jewels rose quartz
Helleborus orientalis royal heritage
Helleborus rio carnival
Helleborus romantic getaway
Helleborus rome in red