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

Feather Reed Grass
Shares full sun and moderate water; blooms in early summer as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; its seed heads stand through winter, for structure and the birds.

Color Guard Yucca
Shares full sun and moderate water; blooms in early summer as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; evergreen, so the bed keeps its shape through winter.

Decadence Deluxe Periwinkle Popsicle False Indigo
Shares full sun and moderate water; blooms in early summer as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; its seed heads stand through winter, for structure and the birds.

Common Black-Eyed Susan
Shares full sun and moderate water; blooms in early summer as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; its seed heads stand through winter, for structure and the birds.

Blue Oat Grass
Shares full sun and low to moderate water; blooms in early summer as this one finishes; leafs out to hide the ripening bulb foliage as it dies back; its seed heads stand through winter, for structure and the birds.

Little Bluestem
Shares full sun and low to moderate water; blooms in late summer, extending the bed's season; its seed heads stand through winter, for structure and the birds; leafs out to hide the ripening bulb foliage as it dies back.

Carnival Scotch Heather
Shares full sun and moderate water; blooms in early summer as this one finishes; evergreen, so the bed keeps its shape through winter; lower at 8 in, for the front of the border.

Sunflower
Shares full sun and moderate water; blooms in midsummer, extending the bed's season; its seed heads stand through winter, for structure and the birds; taller at 6.5 ft, for the layer behind it.