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

Rock Cress
Shares full sun and low 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.

Rosemary
Shares full sun and low water; blooms in early 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.

Viburnum
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; both offer pollinator forage, in different months; taller at 6.5 ft, for the layer behind it.

Flowering Crabapple
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; both are strong pollinator plants, and they feed in different months.

Crocus
Shares full sun and low water; blooms in late winter, before this one opens; both offer pollinator forage, in different months; lower at 4 in, for the front of the border.
Blooming alongside

False Indigo
Shares full sun and low water; opens in late spring and overlaps into this one's season; both are strong pollinator plants; its seed heads stand through winter, for structure and the birds.

Globe Thistle
Shares full sun and low water; both are strong pollinator plants; its seed heads stand through winter, for structure and the birds; taller at 3.5 ft, for the layer behind it.

Lavender
Shares full sun and low water; both are strong pollinator plants; evergreen, so the bed keeps its shape through winter; purple against orange, for contrast.