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

Yaupon Holly
Shares full sun and moderate water; blooms in mid spring, before this one opens; both are strong pollinator plants, and they feed in different months; evergreen, so the bed keeps its shape through winter; they only overlap in zones 7 to 8.

Common Pussy Willow
Shares full sun and moderate water; blooms in early spring, before this one opens; both are strong pollinator plants, and they feed in different months; taller at 16 ft, for the layer behind it.
Taking over as Peony finishes

Spotted Joe Pye Weed
Shares full sun and moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Brown-Eyed Susan
Shares full sun and moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Sneezeweed
Shares full sun and moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Big Bluestem
Shares full sun and low to moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Sunflower
Shares full sun and moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.

Purple Lovegrass
Shares full sun and low to moderate water; blooms in midsummer as this one finishes; both are strong pollinator plants, and they feed in different months; its seed heads stand through winter, for structure and the birds.