Companion plants for Ageratum
Ageratum blooms from June through October. It wants full sun and moderate water. The 8 companion pairings below each state why the pairing works.
Blooming before Ageratum opens
Rock Cress
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; evergreen, so the bed keeps its shape through winter; lower at 4 in, for the front of the border.
Rosemary
Shares full sun and low to moderate water; blooms in early spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.
Viburnum
Shares full sun and moderate water; blooms in mid spring, before this one opens; stands well above at 6.6 ft, a canopy to plant beneath; both offer pollinator forage, in different months.
Lilac
Shares full sun and moderate water; blooms in mid spring, before this one opens; stands well above at 9.8 ft, a canopy to plant beneath; both offer pollinator forage, in different months.
Blooming alongside
Sneezeweed
Shares full sun and moderate water; its seed heads stand through winter, for structure and the birds; both offer pollinator forage; taller at 3.3 ft, for the layer behind it.
Perennial Sunflower
Shares full sun and moderate water; its seed heads stand through winter, for structure and the birds; both offer pollinator forage; taller at 4.9 ft, for the layer behind it.
Mock Orange
Shares full sun and moderate water; opens in late spring and overlaps into this one's season; stands well above at 8.2 ft, a canopy to plant beneath; a soft color beside the blue.
Pansy
Takes full sun to part sun and moderate water; opens in early spring and overlaps into this one's season; lower at 8 in, for the front of the border; purple sits close to blue on the wheel.