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Hemerocallis Bonanza

Bonanza Daylilly

Hemerocallis ‘Bonanza’ is a reliable perennial valued for its bright golden-yellow blooms accented by a bold red eye. Arching, strap-like green leaves form a dense clump in spring, followed by abundant, medium-sized flowers in mid-summer featuring clear yellow petals highlighted by a contrasting deep red eye zone and yellow throat, with each bloom lasting a day but produced over several weeks. Its strong color contrast makes it a standout in sunny borders.

Type: Perennial

Mature Size:
Width: 18–24 in
Height: 18–24 in (to 24–30 in in flower)
(10-year size: forms expanding clumps)

USDA Zones: 3a–9b
Form: Arching, clump-forming
Light: Full sun to partial shade (best flowering in sun)
Soil: Average, well-drained soils; highly adaptable
Water: Moderate; tolerant of drought once established

Wildlife: Attracts bees and butterflies; deer resistant


Features & Landscape Uses


Golden-yellow flowers with bold red eye



Strong color contrast for visual interest



Reliable mid-summer blooming



Ideal for borders, massing, and mixed plantings




Care
Very low-maintenance. Plant in full sun for best flowering. Deadhead spent blooms to maintain appearance. Cut back foliage in late fall or early spring. Divide every few years to maintain vigor and increase plantings.

Plant type
Perennial
Height
18-24''
Width
18-24"
Hardiness zones
3–8
Sunlight
Full Sun
Growth rate
Fast
Bloom time
Early Summer, Late Spring
Flower color
Yellow
Leaf color
Green
Fall color
Green
Attracts
Bees, Butterflies, Hummingbirds
Soil
Average, Highly Adaptable, Well Drained
Landscape use
Border, Container, Mass Planting, Rock Garden
Shape
Arching, Clumping
Fragrant
Yes
Deer resistant
Yes
Drought tolerant
Yes