Companion plants for Hyacinth
Hyacinth blooms from March through April. It wants full sun and moderate water. The 8 companion pairings below each state why the pairing works.
Taking over as Hyacinth finishes

False Indigo
Shares full sun and low to moderate water; blooms in late spring as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; taller at 3.5 ft, for the layer behind it.

Sneezeweed
Shares full sun and moderate water; blooms in midsummer, extending the bed's season; taller at 3.5 ft, for the layer behind it; both offer pollinator forage, in different months.

Perennial Sunflower
Shares full sun and moderate water; blooms in late summer, extending the bed's season; taller at 5 ft, for the layer behind it; both offer pollinator forage, in different months.

Blue Oat Grass
Shares full sun and low to moderate water; leafs out to hide the ripening bulb foliage as it dies back; blooms in early summer, extending the bed's season; evergreen, so the bed keeps its shape through winter.

Feather Reed Grass
Shares full sun and moderate water; blooms in early summer, extending the bed's season; taller at 5 ft, for the layer behind it; its seed heads stand through winter, for structure and the birds.

Switchgrass
Shares full sun and low to moderate water; blooms in late summer, extending the bed's season; taller at 5 ft, for the layer behind it; both offer pollinator forage, in different months.

Ninebark
Shares full sun and moderate water; blooms in late spring as this one finishes; stands well above at 6.5 ft, a canopy to plant beneath; both offer pollinator forage, in different months.

Hybrid Tea Rose
Shares full sun and moderate water; blooms in late spring as this one finishes; taller at 4 ft, for the layer behind it; both offer pollinator forage, in different months.