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

Brown-Eyed Susan
Shares full sun and moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; taller at 3.5 ft, for the layer behind it.

Sneezeweed
Shares full sun and moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; taller at 3.5 ft, for the layer behind it.

Prairie Blazing Star
Shares full sun and moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; taller at 3.5 ft, for the layer behind it.

Sunflower
Shares full sun and moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; stands well above at 6.5 ft, a canopy to plant beneath.

Big Bluestem
Shares full sun and low to moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; taller at 6 ft, for the layer behind it.

Purple Moor Grass
Shares full sun and moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; a soft color beside the white.

Purple Lovegrass
Shares full sun and low to moderate water; blooms in midsummer as this one finishes; its seed heads stand through winter, for structure and the birds; a soft color beside the white.
Blooming alongside

Chinese Fringe Flower
Takes full sun to part sun and moderate water; blooms in early spring, before this one opens; evergreen, so the bed keeps its shape through winter; stands well above at 8 ft, a canopy to plant beneath.