
Plants of the Southwest
Machaeranthera bigelovii
Purple Aster
Purple Aster is an annual or biennial to 3 ft. or much lower if cut or mowed to branch laterally. Lilac profusion in autumn. Abundant and spectacular along roadsides with Chamisa- a wonderful color combination. Plant anytime, early fall is best. Zones 3-8.
Legend of Symbols
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Part Shade![]() |
Fragrant![]() |
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Medium Water ![]() |