The Well-Tended Perennial Garden The Essential Guide to Planting and Pruning Techniques, Third Edition
Cutting back in the autumn after several killing frosts may be desirable. other maintenance ‘Wargrave Pink’ requires well-draini ...
looking good. The blossoms are white with pink stamens, and the leaves turn scarlet and orange in the autumn. Cut back any dead ...
Geranium psilostemon Armenian cranesbill geraniaceae Magenta flowers with a black eye; finely dissected palmate foliage 2 1/2–4 ...
Geranium ROZANNE ‘Gerwat’ rozanne geranium geraniaceae Violet-blue flowers with a white eye; palmately lobed foliage 15–20 in. h ...
Geranium sanguineum bloody cranesbill geraniaceae Pink, magenta, or white flowers; small, lobed leaves 6–15 in. high; 24 in. wid ...
spring. Young or newly divided plants bloom stronger and longer than old plants. other maintenance Short-lived plants. Research ...
Grasses pruning Although ornamental grasses generally don’t require cutting back for the health of the plant, most will benefit ...
of a good axe and saw. If growth progresses before division is accom- plished, plants should be cut back by about a third. Pests ...
C. conica ‘Snowline’, C. dolichostachya ‘Kaga Nishiki’, C. elata ‘Aurea’ (‘Bowles Golden’), C. morrowii ‘Ice Dance’, and C. oshi ...
long-lived plant and performs beauti- fully in the Midwest. Muhlenbergia capillaris (zones 6–10) is a warm- season grower to 3 f ...
Gypsophila paniculata baby’s breath c aryophyllaceae Tiny white or pink flowers in large, airy clusters; linear blue-gray leaves ...
possibly delay flowering. Pinching plants every couple of weeks, starting around mid-May and going until mid-June, will produce ...
Helianthemum nummularium sunrose ciStaceae Crepe paper–like flowers; gray-green narrow leaves 6–12 in. high; 12–18 in. wide Full ...
Helianthus salicifolius willowleaf sunflower compoSitae Golden-yellow, daisylike flower heads; long narrow leaves 5–6 ft. high; ...
open habit, particularly in shady sites. It benefits from pruning as described above, although Allen Bush, a well-known horticul ...
minimal or no deadheading. With older plants, deadheading greatly increases the length of the bloom period. Deadheading also pre ...
Helleborus ×hybridus Lenten rose ranunculaceae Rose- or cream-speckled flowers; deep green palmate leaves 15–18 in. high; 15 in. ...
Hemerocallis daylily xanthorrhoeaceae Trumpet-shaped flowers in many colors; straplike leaves 1–4 ft. (1–3 ft.) high; 1.5 ft. wi ...
that season. Daylilies can remain attractive into late autumn, and in mild areas some varieties may remain semi-evergreen. In th ...
Hesperis matronalis dame’s rocket braSSicaceae Fragrant white or purple flowers; narrow serrated leaves 2–3 ft. high; 3 ft. wide ...
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