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

Creeping Phlox
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; low at 6 in, to carpet the ground beneath; both offer pollinator forage, in different months; they only overlap in zone 9.

Candytuft
Shares full sun and low to moderate water; blooms in mid spring, before this one opens; lower at 10 in, for the front of the border; evergreen, so the bed keeps its shape through winter; they only overlap in zone 9.

Rosemary
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; they only overlap in zones 9 to 10.
Blooming alongside

Pansy
Takes full sun to part sun and moderate water; opens in early spring and overlaps into this one's season; low at 8 in, to carpet the ground beneath.

Echeveria
Shares full sun and low to moderate water; opens in late spring and overlaps into this one's season; low at 4 in, to carpet the ground beneath; echoes the pink.

Stock
Shares full sun and moderate water; opens in mid spring and overlaps into this one's season; lower at 1.6 ft, for the front of the border; echoes the pink.

Sweet Potato Vine
Shares full sun and moderate water; low at 8 in, to carpet the ground beneath; both offer pollinator forage.

Gardenia
Takes full sun to part sun and moderate to high water; opens in late spring and overlaps into this one's season; evergreen, so the bed keeps its shape through winter; a soft color beside the pink.