Guide to growing garden plants and flowers R
Index of plants garden plants and flowers R
Plants are organised by their common names in the flowers R table. The scientific name is also given.
| Rabbit-foot grass - Polypogon | Rabbit tail grass - Lagurus | |
| Ragged robin - Centaurea | Ragged sailor - Centaurea | |
| Ragwort - Senecio | Rain lily - Zephyranthes | |
| Rampion - Phyteuma | Rattleweed - Baptisia | |
| Red Morocco - Adonis | Red sage - Lantana | |
| Red Sally - Lythrum | Red hot poker - Kniphofia | |
| Redmaids - Calandrinia | Regal lily - Lilium | |
| Rhodohypoxis | ||
| Rheumatism root - Jeffersonia | Rhubarb - Rheum | |
| Ribbon grass - Phalaris | ||
| Rochea | Rocket Candytuft - Iberis | |
| Rockcress - Arabis | ||
| Rockfoil - Saxifraga | Rock Jasmine - Androsace | |
| Rock Purslane - Calandrinia | Rock rose - Helianthemum | |
| Rock Soapwort - Saponaria | ||
| Rocky Mountain garland - Clarkia | Rodgersflower - Rodgersia | |
| Roscoea | Rosebay - Epilobium | |
| Rose campion - Lychnis | Rose mallow - Hibiscus | |
| Rosemary - Rosmarinus | Rose Moss - Portulaca | |
| Rose of Heaven - Silene | Rose of Sharon - Hypericum | |
| Rosinweed - Silphium | Royal Lily - Lilium | |
| Ruby Grass - Tricholaena | ||
| Rue-anemone - Anemonella | Runner bean - Phaseolus | |
| Running Box - Mitchella | ||
| Russian Sage - Perovskia | Russian vine - Polygonum | |
| Rupture Wort - herniaria | ||