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

Yaupon 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.

Chinese Fringe Flower
Takes full sun to part sun and moderate water; blooms in early spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Texas Mountain Laurel
Shares full sun and low to moderate water; blooms in early spring, before this one opens; both offer pollinator forage, in different months; evergreen, so the bed keeps its shape through winter.

Carolina Jessamine
Shares full sun and moderate water; blooms in late winter, before this one opens; both offer pollinator forage, in different months; climbs to 15 ft behind it, height without the footprint.
Blooming alongside

Swamp Sunflower
Shares full sun and moderate water; overlaps, then carries the display into late fall; its seed heads stand through winter, for structure and the birds; both offer pollinator forage.

Stiff Goldenrod
Shares full sun and moderate water; its seed heads stand through winter, for structure and the birds; both offer pollinator forage; taller at 3.5 ft, for the layer behind it.

Ironweed
Shares full sun and moderate water; its seed heads stand through winter, for structure and the birds; both offer pollinator forage; taller at 5 ft, for the layer behind it.

Rosemary
Shares full sun and low to moderate water; opens in early spring and overlaps into this one's season; evergreen, so the bed keeps its shape through winter; both offer pollinator forage.