List of All Flowers Starting With Letter R
- Rusty Foxglove
- Russian Sage
- Rue
- Rudbeckia
- Roundleaf Liverleaf
- Round-leaved sundew
- Rosinweed Sunflower
- Rosemary
- Rosebay willowherb
- Rose, hundred-leaved
- Rose Mallow
- Rose
- Roof Iris
- Rondeletia
- Rock Rose
- Rhododendron
- Rhipsalis Neves Armondii
- Rex Begonia
- Restharrow
- Regal Geranium
- Reed
- Redvein Enkianthus
- Red Valerian
- Red Twig Dogwood
- Red Torch Cactus
- Red Campion
- Red Buttons Opuntia
- Rebutia
- Rattlesnake Master
- Ranunculus
- Rampion
- Rainbow Cactus
- Rain Lily
