Panicle Hydrangea vs Black-Eyed Susan - TreeTime.ca

Panicle Hydrangea vs Black-Eyed Susan

Hydrangea paniculata

Rudbeckia hirta

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Panicle Hydrangea
Black-Eyed Susan

Panicle Hydrangea is a large, broad-leaf, deciduous shrub that is prized for its ornamental appeal. It is easy to care for, long-lived, and cold-hardy.

Depending on the variety, its flowers change color throughout the blooming period. Make sure you water Panicle Hydrangeas regularly to achieve the most notable color change.

Black-Eyed Susan is a striking native wildflower known for its bright yellow, daisy-like flowers with dark center disks. With deadheading, the plant can bloom for an extended period, from mid-summer to early fall. These cheerful flowers attract a variety of pollinators, including bees and butterflies. Adding to its ecological value, the plant also acts as a host for the Wavy-Lined Emerald Moth (Synchlora aerata) and the Silvery Checkerspot (Chlosyne nycteis) butterfly.

While it is typically a short-lived perennial or biennial, the plant freely self-seeds. This allows it to persist in the landscape, particularly in natural areas where it can spread and establish itself. This plant is drought-tolerant, salt-tolerant, and deer and rabbit-resistant, making it ideal for challenging environments. The Black-Eyed Susan is well suited to wildflower gardens, pollinator gardens, as well as slopes, banks, and naturalized areas

As a perennial, it dies back to the crown each winter, it will regrow from the base in the spring. Avoid disturbing the crown during late winter to ensure healthy growth the following season.

Panicle Hydrangea Quick Facts

Black-Eyed Susan Quick Facts

Zone: 3a
Zone: 3a
Height: 6 m (20 ft)
Height: 0.8 m (2.5 ft)
Spread: 3 m (10 ft)
Spread: 0.5 m (1.5 ft)
Moisture: normal
Moisture: dry, normal
Light: partial shade, full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: white, strong scent, very showy
Flowers: bright yellow; daisy-like
Growth rate: fast
Growth rate: very fast
Life span: short
Life span: short
Maintenance: medium
Suckering: medium
Suckering: none




Other Names: white panicle hydrangea
Other Names: hairy coneflower