Roy Pehrson's Best Yellow, hybrid herbaceous peony

Notable characteristics: Soft true yellow single flower with good, solid substance. Medium height grower with strong stems and dark green foliage. A vigorous grower, excellent for mass landscape plantings. Fertile seeds and pollen. Will ready self-sow. 

Cultivar group, hybridizer and year introduced: Hybrid, Pehrson, 1982.

Growth habit and size at maturity: Upright, grows to 32'' tall and wide. Very good stem strength.

Flower form and size: Single, 4" and upward facing. Excellent variety for landscape planting or cut flowers.

Flower fragrance: Mild.

Bloom time: Early-season hybrid peony, blooms in our USDA zone 6a garden in the last week of May.

Zone hardiness: Proven in USDA zones 3-9.

Plant size: 4-5 'eye' plants with a well developed root system. This size plant will likely flower its first spring in the ground, though it may need another season. 

When we ship: Orders for USDA zones 4-9 will ship in winter 2020 or spring 2021.