An OT lily is an interspecies combination of Oriental Lily and Trumpet Lily. 'Conca d'Or'has huge yellow flowers with lighter yellow tips. The height is approximately 36-42 with very fragrant flowers. Planting may occur in late summer for blloming the next season. Zone 4-9. Not deer resistant. Good cut flower, but leaving it in the garden will only encourage a taller plant (may need staking it is so tall and gorgeous! Purchase is for a packet with 2 bulbs