Genera: R
45 speciesRebulobivia
CactaceaeRebutia
CactaceaeA cold (3–8 °C), bone-dry winter is the secret to its flood of basal flowers.
Cactus · CactaceaeRebutia “lima & orange”no common name
Cactus · CactaceaeRebutia atrovirens var. yuquinensis WR632no common name
Cactus · CactaceaeRebutia cajasensisno common name
Cactus · CactaceaeRebutia condorensis var. rubrispinano common name
Cactus · CactaceaeRebutia fiebrigiino common name
Cactus · CactaceaeRebutia heliosano common nameCactus · CactaceaeRebutia marsonerino common nameCactus · CactaceaeRebutia minusculano common name
Cactus · CactaceaeRebutia perplexano common nameCactus · CactaceaeRebutia pygmaeano common nameRhaphidophora
AraceaeTrained up a moss pole it produces larger, more deeply split leaves.
Rhapis
ArecaceaeSlow-growing so it rarely needs repotting; it enjoys a cooler winter at 10–15 °C.
Rhipsalis
CactaceaeA trailing rainforest cactus – never let it dry out fully and avoid harsh sun.Rhododendron
EricaceaeNeeds acidic soil (pH 4.5–5.5) and lime-free water – lime turns the leaves yellow.
Tree / bonsai · EricaceaeCatawba rhododendronRhododendron catawbienseTree / bonsai · EricaceaeCloudland rhododendronRhododendron impeditumTree / bonsai · EricaceaeSatsuki azaleaRhododendron indicumTree / bonsai · EricaceaeYellow azaleaRhododendron luteumTree / bonsai · EricaceaeCommon rhododendronRhododendron ponticumTree / bonsai · EricaceaeIndian azaleaRhododendron simsiiTree / bonsai · EricaceaeRhododendron williamsianumno common nameRibes
GrossulariaceaeRemove stems older than 3 years at the base – younger wood fruits best.Rosa
RosaceaeWater at the base in the morning against black spot; prune when forsythia flowers in spring.
Garden flower · RosaceaePeace roseRosa ‘Gloria Dei’Garden flower · RosaceaeCabbage roseRosa × centifoliaGarden flower · RosaceaeDamask roseRosa × damascenaGarden flower · RosaceaeLady Banks' roseRosa banksiaeGarden flower · RosaceaeDog roseRosa caninaGarden flower · RosaceaeFrench roseRosa gallicaGarden flower · RosaceaeMandarin-RoseRosa moyesiiGarden flower · RosaceaeJapanese roseRosa rugosa