| | BOTANICAL NAME, CULTIVAR | (COMMON NAME) |
| | YEAR | RATING | MASTER GARDENER OBSERVATIONS AND COMMENTS | HEIGHT | WIDTH |
| | Angelonia spp. |
| | 1996 | 6 | Purple, 1 inch tubular blooms through the summer and sporatically in the fall. Green elongated | 30 | 45 |
| | foliage, healthy and beautiful. |
| | Anthriscus cerefolium | (Salad Chervil) |
| | 1995 | 3 | Short lived, did not survive summer. | 4.5 | 7 |
| | Arachis glabrata | (Perennial Peanut) |
| | 1997 | 5 | Beautiful yellow little pea-like flowers from mid-May to September. Healthy throughout the trial, | 7 | 34 |
| | vigorous spreading, good ground cover for sunny area. |
| | Artemisia abrotanum | (Southernwood) |
| | 1995 | 3 | Performed best in summer, pretty leaves, minor fungus problems. | 22 | 43 |
| | Artemisia lactiflora 'Guizho' | (White Mugwort) |
| | 1996 | 2 | Plant declined in shade plot, was blooming when planted, but did not bloom again. Some bug | 40 | 14 |
| | damage, small, not impressive. |
| | 1997 | 2 | Never bloomed, was beautiful plant in early spring, but was damaged by snails and dry weather | 8 | 22 |
| | . Died out suddenly in August. |
| | Artemisia ludoviciana 'Valerie Finnis' | (Artemisia) |
| | 1995 | 4 | Worthy of planting for silver foliage. Plant died in October, but lasted over two years. | 15 | 54 |
| | Asclepias curassavica 'Silky Gold' | (Milkweed) |
| | 1995 | 0 | Looked dead in early April. |
| | 1996 | 3 | Newly planted in fall. | 12 | 10 |
| | Aster divaricatus | (white wood aster) |
| | 1997 | 5 | Tiny white blooms September to November. Healthy throughout trial, bloom stalks fell over, | 22 | 25 |
| | otherwise beautiful. |
| | Aster laevis | (Smooth Aster) |
| | 1995 | 2 | Bloomed in June and again in August, problems with foliar fungus, healthy new growth after | 24 | 22 |
| | pruning. |
| | Aster novae-angliae 'Hella Lacy' | (New England Aster) |
| | 1997 | 4 | Small purple daisy blooms in June and rebloomed in September. Healthy except for chewed | 22 | 30 |
| | leaves in May. |
| | Aster novae-angliae 'Purple Dome' |
| | 1995 | 2 | Poor performance this year. | 8 | 8 |
| | Aster novi belgii 'Alert' | (New York Aster) |
| | 1995 | 5 | Lavender blooms with yellow centers from June through September, trouble free plant, with | 11 | 11 |
| | colorful flowers and colorful foliage. |
| | Aster spp. 'Hardy Purple' |
| | 1995 | 4 | Graduated pink flowers darker on top; sparse blooming; peak bloom in September | 24 | 34 |
| | Aster tataricus 'Jin dai' | (Tatarian Aster) |
| | 1995 | 0 | Plant did not survive slug damage. |
| | Asteromea mongolica | (Japanese Aster) |
| | 1995 | 6 | White and lavender blooms from mid-May to July, easy prolific bloomer, long lasting, real pretty | 28 | 36 |
| | until end of August. |
| | 1996 | 4 | Pale pink flowers with yellow centers from June through August. Medium green, feathery | 20 | 27 |
| | foliage. Slight fungus problem, otherwise remained healthy. |
| | Astilbe chinensis 'Pumila' | (Chinese Astilbe) |
| | 1995 | 3 | Very low creeping groundcover, did not bloom, declined during summer and went dormant in | 1.5 | 24 |
| | October. |
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