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Common / Botanical |
Description |
Photo |
Ragwort
Senecio aureus |
1-2 ft., yellow flowers in April, shiny green foliage, sun, part shade, rapid grower, massing, Zone 4-8 |
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Rainbow Hybrids
Lewisia cotyledon Regenbogen Hybrids |
mixed flowers,dry soil/full sun, rock garden, Zone 6-9 |
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Red Clover
Oxalis rubra |
carmine red flowers, sun, Zone 7-10 |
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Red Hot Poker
Kniphofia uvaria |
2-3 ft., red, orange, and yellow flowers, sun, well drained soil, groups, Zone 6-9 |
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Rockfoil
Saxifraga x urbium (s. umbrosa) |
6-8 in., small, white flower, reddish in the center, full sun, part shade, good for rock gardens, blooms May-June, Zone 5-7 |
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Rose Mallow
Hibiscus 'Anne Arundel' |
4-5 ft., sun, Summer blooming, pink flowers 9 in. across, Zone 5-9 |
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Rose Mallow
Hibiscus 'Blue River II' |
4-5 ft., sun, Summer blooming, large white flowers, 10 in. across, Zone 5-9 |
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Rose Mallow
Hibiscus 'Lady Baltimore' |
4-5 ft., sun, Summer blooming, large pink flowers with red centers, 6 in. across, Zone 5-9 |
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Rose Mallow
Hibiscus 'Lord Baltimore' |
4-5 ft., sun, Summer blooming, brilliant red flowers 10 in. across, Zone 5-9 |
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Rose Mallow
Hibiscus coccineus |
4-5 ft., sun, Summer blooming, 5-8 ft., red flowers 6 in., across, water's edge, maple-leaf like foilage, Zone 7-10 |
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Rosemary
Rosmarinus officinalis |
3-8 ft., fragrant blue flowers in Summer, sun, good for the herb garden, Zone 8-10 |
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Russian Sage
Perovskia atriplicifolia |
3-4 ft., blue flowers in July-Sept, sun, dry, groups, 1995 PPA Plant of the Year, 3-4 ft., silvery-gray foliage, good specimen plant, Zone 5-9 |
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Russian Sage
Perovskia atriplicifolia 'Filigran' |
3-4 ft., blue flowers in July-Sept, sun, dry, groups, 2-3 ft., finely cut foliage, Zone 5-9 |
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Russian Sage
Perovskia atriplicifolia 'Longin' |
3-4 ft., blue flowers in July-Sept, sun, dry, groups, 2-3 ft., narrow foliage, upright growth, Zone 5-9 |
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Russian Sage
Perovskia scrophulariaefolia |
3-4 ft., blue flowers in July-Sept, sun, dry, groups, Zone 5-9 |
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