Companion plants for Lobelia
Lobelia blooms from May through September. It wants part sun and moderate water. The 8 companion pairings below each state why the pairing works.
Blooming alongside

Perennial Sunflower
Takes full sun to part sun and moderate water; overlaps, then carries the display into mid fall; stands well above at 4.9 ft, a canopy to plant beneath; both are strong pollinator plants.

Sneezeweed
Takes full sun to part sun and moderate water; taller at 3.3 ft, for the layer behind it; both are strong pollinator plants; its seed heads stand through winter, for structure and the birds.

Globe Thistle
Takes full sun to part sun and low to moderate water; taller at 3.3 ft, for the layer behind it; both are strong pollinator plants; its seed heads stand through winter, for structure and the birds.

Rosemary
Takes full sun to part sun and low to moderate water; opens in early spring and overlaps into this one's season; taller at 3.3 ft, for the layer behind it; both are strong pollinator plants.

Witch Hazel
Shares part sun and moderate water; blooms in late winter, before this one opens; stands well above at 9.8 ft, a canopy to plant beneath; both offer pollinator forage, in different months.

Azalea
Takes part sun to part shade and moderate water; opens in mid spring and overlaps into this one's season; taller at 3.9 ft, for the layer behind it; evergreen, so the bed keeps its shape through winter.

Lilac
Takes full sun to part sun and moderate water; opens in mid spring and overlaps into this one's season; stands well above at 9.8 ft, a canopy to plant beneath; both offer pollinator forage.

Asiatic Lily
Takes full sun to part sun and moderate water; taller at 3.3 ft, for the layer behind it; both offer pollinator forage; pink against blue, for contrast.