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

Globe Thistle
Shares full sun and low water; blooms in midsummer, extending the bed's season; stands well above at 3.3 ft, a canopy to plant beneath; both are strong pollinator plants, and they feed in different months.

Purple Coneflower
Shares full sun and low water; blooms in midsummer, extending the bed's season; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Blazing Star
Shares full sun and low water; blooms in midsummer, extending the bed's season; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Butterfly Bush
Shares full sun and low water; blooms in early summer as this one finishes; stands well above at 6.6 ft, a canopy to plant beneath; both are strong pollinator plants, and they feed in different months.

Cosmos
Shares full sun and low water; blooms in early summer as this one finishes; stands well above at 3.3 ft, a canopy to plant beneath; both are strong pollinator plants, and they feed in different months.

Lavender
Shares full sun and low water; blooms in early summer as this one finishes; both are strong pollinator plants, and they feed in different months; evergreen, so the bed keeps its shape through winter.

Potentilla
Shares full sun and low water; blooms in early summer as this one finishes; both are strong pollinator plants, and they feed in different months; taller at 3 ft, for the layer behind it.

Cleome
Shares full sun and low to moderate water; blooms in early summer as this one finishes; stands well above at 3.9 ft, a canopy to plant beneath; both are strong pollinator plants, and they feed in different months.