Perennials this Month - July 1996
Dr. Leonard P. Perry, Extension Associate Professor, University of Vermont
Click to see a larger photo.
Plant of the Month: Rudbeckia fulgida 'Goldsturm'
height x width: 24" x 24-30"
flowers: golden yellow, mid summer to early fall
hardiness: USDA zones 3-8
interest: *one of most popular perennials
*adaptable to many conditions, low maintenance, few pests
*excellent flower show, much more so than species and more compact; typical "black-eyed susan" flower
*introduced in Germany in 1937
More new or proven perennials!
*Hemerocallis 'Joan Senior'-- near white, small lemon eyezone, delicately ruffled petals, swett, slight fragrance, July; one of best and most famous of daylilies, the whitest of the whites!
*Heuchera sanguinea 'Frosty'-- exciting cultivar with lots of red flowers against variegated leaves with more white than green; early to mid summer; 20-24" x 12-18"; another introduction from Dan Heims of Terra Nova.
*Astilbe 'Montgomery'-- a japonica species hybrid; dark red, late spring to early summer; 24-30" x 18-24".
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