This dry woodland aster has a cone of pale blue/white flowers and the leaves are arrowhead shaped.
Colour: Blue
Blooms: August-October
Height (cm): 30-60
Sun: Half
Soil: All
Moisture: Medium
Other traits: Wildlife, Arrow-leaved Aster is an invaluable food source for butterflies, moths, insects and birds. Monarchs and other butterflies depend on the nectar that asters provide during their fall migration. Asters provide a small percentage of food supply and offer shelter for various game and song birds and other small mammals.