Companion plants for Spirea
Spirea blooms from May through July. It wants full sun and moderate water. The 8 companion pairings below each state why the pairing works.
Taking over as Spirea finishes

Blazeaway Heather
Shares full sun and moderate water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Alkali Sacaton
Shares full sun and low to moderate 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.

Splitbeard Bluestem
Shares full sun and low to moderate 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.

Ironweed
Shares full sun and moderate 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.

Perennial Sunflower
Shares full sun and moderate 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 Moor Grass
Shares full sun and low to moderate 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.
Blooming alongside

Eye Candy Moss Phlox
Shares full sun and moderate water; opens in mid spring and overlaps into this one's season; low at 4 in, to carpet the ground beneath; evergreen, so the bed keeps its shape through winter.

Kinnikinnick
Shares full sun and moderate water; opens in mid spring and overlaps into this one's season; lower at 8 in, for the front of the border; evergreen, so the bed keeps its shape through winter.