Eastern Redbud vs Black-Eyed Susan - TreeTime.ca

Eastern Redbud vs Black-Eyed Susan

Rudbeckia hirta

Cercis canadensis

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Black-Eyed Susan
Eastern Redbud

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.

The Eastern Redbud is known for the pea-like pink buds that emerge in clusters on the bark, embellishing the tree in stunning flowers. They have a longer bloom time, sometimes for two to three weeks before the heart-shaped leaves emerge for the summer. Inedible pods emerge that turn brown in the summer, this tree is a part of the bean family.

Native to the Eastern North America. The Eastern Redbud can tolerate acidic and alkaline soil. Plant this as a beautiful understory species or shaded residential yard or garden. The bright pop of color will make an attractive ornamental tree.

Black-Eyed Susan Quick Facts

Eastern Redbud Quick Facts

Zone: 3a
Zone: 4a
Height: 0.8 m (2.5 ft)
Height: 8 m (25 ft)
Spread: 0.5 m (1.5 ft)
Spread: 9 m (30 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: bright yellow; daisy-like
Flowers: rose-purple, pea-like
Growth rate: very fast
Growth rate: medium
Life span: short
Life span: long
Maintenance: medium
Suckering: none
Suckering: high




Other Names: hairy coneflower
Other Names: judas tree