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4 the Sieherthaler Ce. vrxvTon.oH10 
HARDY HERBACEOUS PERENNIALS 
AND ROCK GARDEN PLANTS 
dh color, ultimate height and principal season 
of bloom are given as an aid in arranging pleasing 
color comibinations and in securing a succession of 
bloom throughout the season. 
An asterisk (#*) indicates those varieties most 
suitable for rockeries or alpine gardens. 
Three Dozen 
ACHILLEA Milfoil or Yarrow 
«tomentosa. Bright yellow, 6-8 in. 
Mayland June eels h.00 
ACONITUM Monkshood 
fisheri. Blue, 4 ft. September and 
October = ee er ee eer 5 5 00 
AJUGA Bugleweed 
“reptans. Blue, )-6 in. May and June__1.15 )..00 
ALYSSUM Basket of Gold or Madwort 
xsaxatile compactum. Golden, 6-9 in. 
Aci Dand: May ae es Se See) ODT e 5.250 
ANCHUSA Alkanet or Bugloss 
azurea dropmore. Blue, 3-5 ft. June 
to Septetiber ee eS 4.00 
smyosotidiflora. Blue, 12-18 in. May__1.15 h..00 
ANEMONE Japanese Windflower 
japonica alba. Single white, )-5 ft. 
September and October__._____——di—1S5 4.00 
japonica Alice. Single rosy pink, 
3-) ft. September and October 15.5 h.00 
japonica Queen Charlotte. Double pink, 




2-3 ft. September and October u Epos A 00 
japonica Whirlwind. Double white, 
2-3 ft. September and October 1415 00 
AQUILEGIA Columbine 
caerulea. Blue, 2 ft. May and June__1.15 4.00 
long spurred hybrids. Mixed colors, 
pha® ths Mav ano, Une =. 00 3.50 
ARABIS Rock Cress 
+alpina. White, 6 in. April and May__1.15 
#alpina flore plena. Double white, 
Leek er eno ay Le 4.50 
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