The Well-Tended Perennial Garden The Essential Guide to Planting and Pruning Techniques, Third Edition
Arisaema triphyllum jack-in-the-pulpit araceae Single green “flower” with purple-striped hood; large trifoliate leaves 12–24 in. ...
decline, but division is often hard to do successfully, so it’s best to replace plants at this time. Artemisia abrotanum souther ...
Artemisia absinthium ‘Lambrook Silver’ ‘Lambrook Silver’ artemisia compoSitae Gray, deeply divided foliage; yellow flower heads ...
foliage at the base may be necessary. Do not prune for winter. I have had plants totally defoliated by larval feeding in summer. ...
mid-September in the Midwest, for best effect in wreaths. other maintenance Plants are very invasive. As tempting as it is to gr ...
wood that does not have live buds. Plants fill out quickly in a week or two after pruning. Hedge shears can be used during the s ...
Arum italicum ‘Pictum’ painted arum araceae Spear-shaped, variegated deep green leaves; orange-red berries; jack-in-the-pulpit-t ...
stand back, as it forms a large shrub. Allow plenty of space when planting (at least 4 ft. diameter), since the plant won’t like ...
Asclepias tuberosa butterfly weed apocynaceae Orange flowers; narrow foliage 2–3 ft. high; 2 ft. wide Full sun Blooms June–Augus ...
Aster (see also Symphyotrichum) Aster ×frikartii ‘Mönch’ ‘Mönch’ Frikart’s aster compoSitae Lavender-blue flower heads; finely p ...
Aster tataricus ‘Jindai’ ‘Jindai’ Tatarian daisy compoSitae Lavender-blue flower heads; large basal leaves up to 18 in. long Blo ...
Astilbe ×arendsii astilbe Saxifragaceae White, pink, red, even peach flowers; ferny, green or bronzy foliage 2–4 ft. high; 2 ft. ...
other maintenance Four key things to remember for best results with Astilbe plants are: (1) they are heavy feeders; (2) summer d ...
Astrantia major masterwort apiaceae Creamy white flowers with green, pink, or red bracts; palmately lobed leaves 2–3 ft. (1 1/2 ...
Shearing plants normally eliminates seedpods at the same time, although reseeding usually doesn’t occur with Baptisia, and the s ...
Begonia grandis hardy begonia begoniaceae Small pink flowers in drooping clusters; light green succulent leaves with red veins 2 ...
Belamcanda chinensis (see Iris domestica) Bergenia crassifolia heartleaf bergenia Saxifragaceae Pink flowers; shiny, round everg ...
to be cut back for the winter, but should be pruned down in early spring. If plants are floppy, cutting back before the winter m ...
dryness as long as they are shaded; they often respond by producing smaller leaves, and if the drought is prolonged they may go ...
Campanula glomerata clustered bellflower c ampanulaceae Purple or white flowers in clusters; heart-shaped to oval green leaves 1 ...
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