The Tanseyleaf tansyaster (Machaeranthera tanacetifolia)is a fully hardy annual/biennial deciduous forb with purple flowers in late Spring. It grows well in semi-shade, and prefers medium levels of water. This plant requires a minimum of 110 frost free days to grow successfully. It has average drought tolerance.
Machaeranthera tanacetifolia grows in soils ranging from a pH of 6.5 (slightly acidic ranges from 6.1 to 6.5) to 8.5 (alkaline ranges from 8.1 to 8.5). It is adapted to silt, loam, clay loam, silt loam, sandy loam, silty clay loam and sandy clay loam soils, and prefers low fertility.
This is a erect plant and has a single crown growth form, and has an ultimate height of 0.6m / 2ft.
The leaves are green in Summer.
Fruit and seed
There is a medium fruit/seed abundance beginning in Summer and ending in Summer.
Propagation techniques include seed.-33°C / -27.4F to 0.6m / 2ft
|Scientific classifications [Edit]|
|Specific epithet ?||tanacetifolia|
|Tanseyleaf tansyaster (United States)|
References  ?
Plant added by plantdatabase
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