Companion plants for Smokebush
Smokebush blooms from June through July. It wants full sun and low water. The 8 companion pairings below each state why the pairing works.
Blooming before Smokebush opens

Grape Hyacinth
Shares full sun and low water; blooms in early spring, before this one opens; low at 8 in, to carpet the ground beneath; both offer pollinator forage, in different months.

Flowering Crabapple
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; taller at 20 ft, for the layer behind it.

Wisteria
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; climbs to 26 ft behind it, height without the footprint.
Taking over as Smokebush finishes

Goldenrod
Shares full sun and low water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

Autumn Joy Sedum
Shares full sun and low water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

Switchgrass
Shares full sun and low water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

Little Bluestem
Shares full sun and low water; blooms in late summer as this one finishes; its seed heads stand through winter, for structure and the birds.
Blooming alongside

Sea Thrift
Shares full sun and low water; opens in mid spring and overlaps into this one's season; low at 8 in, to carpet the ground beneath; evergreen, so the bed keeps its shape through winter.