From the American Rose Society website:
QUEST FOR ZEST™ (cv. WEKsecjuc, Z277-2) PPAF

Class: Grandiflora

Color Description: Yellow

Descriptive Characteristics: Pointed and ovoid buds open to spiraled, elegant and double yellow with lighter outer petals, large, 4-5” flowers on medium-length stems, some single, some in small clusters; very glossy, medium-green foliage; very good disease resistance. Bloom Size: 4 - 5”

Petal Count: 30-40

Fragrance: Strong citrus & fruity

Height/Habit: Medium-tall, upright, moderately spreading

Parentage: 'Secret' x 'Julia Child'

Hybridizer: Christian Bédard

Introducer: Weeks Roses