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

Castle Rouge Blue Holly
Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Red Robin Photinia
Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Electric Lights Red Azalea
Takes full sun to part sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Candy Cloud Pink Phlox
Shares full sun and moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.
Taking over as Carnation finishes

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

Aster
Shares full sun and moderate water; blooms in early fall as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds.

Pink Muhly Grass
Shares full sun and low to moderate water; blooms in early fall 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 to moderate water; overlaps, then carries the display into mid fall; its seed heads stand through winter, for structure and the birds; both offer pollinator forage.