The Well-Tended Perennial Garden The Essential Guide to Planting and Pruning Techniques, Third Edition
Rheum palmatum var. tanguticum ornamental rhubarb polygonaceae Stately panicles of pink flowers; enormous jagged leaves that are ...
such cases, deadleaf to clean up the plant and be sure to increase the moisture provided to the plants in the future. Plants are ...
Rudbeckia triloba, 3-lobed coneflower, is biennial in nature but usually lives more than 2 years. Very prolific seeder. Cutting ...
used for height control where shorter plants are desirable. Cutting back by half in early June when plants are 2 ft. tall can pr ...
sheared back to 6–8 in. in the early spring to maintain a full form. Do not do any hard pruning in late summer or plants may not ...
skipping the deadheading. Although this may leave a hole in the garden earlier in the season, fresh low foliage will return and ...
survive in the warmer parts of zone 5), and ‘Wild Thing’. For the best chance of success, don’t cut back S. greggii in the fall, ...
distraction from the foliage by others; those in the latter camp may choose to shear off the flower buds to prevent flowering. P ...
Saxifraga stolonifera strawberry begonia Saxifragaceae Airy sprays of delicate white flowers; rounded leaves with scalloped marg ...
Scabiosa columbaria ‘Butterfly Blue’ ‘Butterfly Blue’ pincushion flower caprifoliaceae Light blue flowers; green leaves 12 in. ( ...
Sedum rupestre ‘Angelina’ ‘Angelina’ stonecrop craSSulaceae Starry yellow flowers; succulent, yellow, needlelike foliage 4–6 in. ...
Sedum telephium ‘Matrona’ ‘Matrona’ stonecrop craSSulaceae Light pink flower heads; fleshy gray-green leaves on purple stems 24– ...
Sidalcea malviflora checker-mallow malvaceae Pink flower spikes; round or lobed glossy green leaves 3–4 ft. high; 2 ft. wide Ful ...
more. Deadheading each small individual seedhead to a new lateral flower or bud is a tedious job. Snipping with sharp pruning sc ...
Silphium laciniatum compass plant compoSitae 5-in.-wide golden daisies on tall stems; sandpapery, deeply lobed basal foliage 6–9 ...
Silphium perfoliatum cup plant compoSitae 3-in.-wide yellow daisies on tall stalks; pairs of coarsely toothed leaves that form c ...
Sisyrinchium angustifolium blue-eyed grass iridaceae Tiny blue flowers with yellow throats; grasslike leaves 10–12 in. high; 8–1 ...
growth. Goldenrods can be either clump formers or spreaders. Rapid-spreading rhizomes often require division or removal of the o ...
Spigelia marilandica Indian pink l oganiaceae Upward-facing, tubular red flowers with yellow throats; smooth elliptical leaves i ...
has normal-sized fuzzy silver leaves and also flowers very little. ‘Primrose Heron’ has interesting chartreuse spring foliage. M ...
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