Acanthaceae, 141
Acanthus, 68
Acanthus spinosus, 141, 347,
353, 357, 360, 366, 369,
37 0, 371, 372, 373, 375
‘Spinossisimus’, 142
Achillea, 344, 350, 356, 358,
359, 367, 372, 373, 375
‘Anthea’, 145
as attractive to beneficial
insects, 65
‘Coronation Gold’, 142 ,
143, 347, 349, 353, 371
Galaxy Hybrids, 144,
‘Moonshine’, 23, 113, 145,
346, 348, 349, 351, 352,
371
‘Taygetea’, 145
Achillea clypeolata, 142
Achillea filipendulina, 142
‘Altgold’, 142, 143
‘Credo’, 143
‘Gold Plate’, 143
‘Parker’s Variety’, 143
Achillea ×kellereri, 145
Achillea ×lewisii ‘King
Edward’, 145
Achillea millefolium, 144 ,
346, 348, 352, 361, 362,
365, 368, 369
‘Apple Blossom’, 145
‘Fire King’, 144
Achillea millefolium × Achillea
‘Taygetea’, 144
Achillea ptarmica, 145
Achnatherum calamagrostis,
227
Aconitum, 68, 126, 350, 351,
356
Aconitum ×cammarum
‘Bressingham Spire’, 146
Aconitum carmichaelii
‘Arendsii’, 146
Aconitum henryi ‘Spark’s
Variety’, 146
Aconitum napellus, 146 , 355,
359, 367, 368, 372, 373,
375
Aconitum septentrionale
‘Ivorine’, 146–147
Aconogonum, 372
‘Johanniswolke’, 147 , 365,
368, 373
Actaea, 80, 343, 347, 357, 363,
371, 372, 37 5
Actaea pachypoda, 148
‘Misty Blue’, 149
Actaea racemosa, 148 , 149,
350 , 351, 355
Actaea rubra, 148
Actaea simplex, 149
‘Black Negligee’, 149
‘Brunette’, 149
‘Chocoholic’, 149
‘Hillside Black Beauty’,
149
‘White Pearl’, 149
Adiantum pedatum, 211
Adiantum venustum, 212
aerating soil
by amending, 36, 37, 39
in planting / maintenance
schedule, 382, 387, 388
with tools, 20–21, 107, 382
Agastache foeniculum, 65,
364, 368
‘Golden Jubilee’, 149
agastaches / Agastache,
14 9, 344, 356, 361, 362,
369, 372, 373, 37 5
‘Blue Fortune’, 149
‘Tango’, 149
‘Tutti Frutti’, 149
Western hybrids, 149, 348
Ageratina altissima, 210
‘Chocolate’, 210, 361, 362
aggregates, natural, 34
aggregates as soil
amendments, 39
Ajuga pyramidalis, 150
Ajuga reptans, 150, 346, 349,
350 , 352, 360, 361, 362,
365, 371, 372, 373, 37 5
‘Burgundy Glow’, 150
‘Catlin’s Giant’, 150
‘Cristata’, 150
thinning, 126
‘Alaska’ Shasta daisies, 76, 77
Alcea rosea, 150 , 346, 348,
34 9, 351, 352, 356, 358,
359, 361, 362, 367, 368,
369, 371, 373, 375, 377
Chater’s Series, 151
cutting down after
flowering, 119
‘Old Farmyard’, 151
pest problems, 69
pinching, 122
Alcea rugosa, 151
Alchemilla mollis, 152 , 350,
354, 358, 360, 361, 362,
365, 366, 370, 371, 372,
373, 37 5
deadheading, 99
thinning, 126
ultimate size of, 26
Acknowledgments Index
Page numbers in boldface indicate a main
Encyclopedia of Perennials entry.
