Companion plants for Echeveria
Echeveria blooms from May through July. It wants full sun and low water. The 8 companion pairings below each state why the pairing works.
Taking over as Echeveria finishes

Cosmos
Shares full sun and low water; overlaps, then carries the display into mid fall; stands well above at 3.5 ft, a canopy to plant beneath; both offer pollinator forage.

Love-Lies-Bleeding
Shares full sun and low to moderate water; overlaps, then carries the display into mid fall; stands well above at 3.5 ft, a canopy to plant beneath; both offer pollinator forage.

Cleome
Shares full sun and low to moderate water; stands well above at 4 ft, a canopy to plant beneath; overlaps, then carries the display into early fall; both offer pollinator forage.

Perennial Sunflower
Shares full sun and low to moderate water; blooms in late summer as this one finishes; stands well above at 5 ft, a canopy to plant beneath; both offer pollinator forage, in different months; they only overlap in zone 9.

Goldenrod
Shares full sun and low water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds; they only overlap in zone 9.

Autumn Joy Sedum
Shares full sun and low water; blooms in late summer as this one finishes; both offer pollinator forage, in different months; its seed heads stand through winter, for structure and the birds; they only overlap in zone 9.

Switchgrass
Shares full sun and low water; blooms in late summer as this one finishes; stands well above at 5 ft, a canopy to plant beneath; both offer pollinator forage, in different months; they only overlap in zone 9.
Blooming alongside

Rosemary
Shares full sun and low water; opens in early spring and overlaps into this one's season; stands well above at 3.5 ft, a canopy to plant beneath; evergreen, so the bed keeps its shape through winter; they only overlap in zones 9 to 10.