Plants
- Radiator plant. 'Luna Red', Emerald ripple pepperPeperomia caperata 'Luna Red'
- radish
- Ragged RobinLychnis flos-cuculi
- RagwortSenecio polyodon
- Rainbow ChardBeta vulgaris 'Rainbow'
- RainflowersZephyranthes
- Rambling Rose 'Gardena'
- RamondaRamonda myconi
- Rangoon CreeperCombretum Indicum
- RanunculusRanunculus gramineus
- Ranunculus AquatilisRanunculus Aquatilis
- Ranunculus asiaticusRanunculus asiaticus
- Ranunculus ficaria 'Brazen Hussy'Ranunculus ficaria 'Brazen Hussy'
- Ranunculus Montana WilldRanunculus Montana Willd
- Ranunculus, Buttercup.'Plenus'Ranunculus constantinopolitanus 'Plenus'
- Rape Brassica napus
- Raphanus sativus subsp. longipinnatusRaphanus sativus subsp. longipinnatus
- Raphanus sativus subsp. nigerRaphanus sativus subsp. niger
- Raphanus sativus subsp. sativusRaphanus sativus subsp. sativus
- Raphanus sativus var sativus 'Gaudry'Raphanus sativus var sativus 'Gaudry'
- Raphanus sativus var. nigerRaphanus sativus var. niger
- Raspberry
- Raspberry 'Fallgold'
- Raspberry BushRubus Idaeus - 'Heritage'
- Rattlesnake PlantCalathea lancifolia
- Ravenna grasssaccharum ravennae
- Real YellowwoodPodocarpus latifolius
- Red Abyssinian BananaEnsete Ventricosum 'Maurelii'
- Red BistortPersicaria amplexicaulis
- Red BuckwheatEriogonum grande rubescens
- Red CampionSilene dioica
- Red Cherry Marigold
- Red CloverTrifolium pratense
- Red Dead-nettleLamium purpureum
- Red Dosier Dogwood