Cornus (Rutban) Constellation

Constellation Dogwood

Cornus (Rutban) Constellation® — botanically Cornus × rutgersensis ‘Rutcan’ — is a standout hybrid dogwood tree developed by Rutgers University that combines the best traits of Cornus florida (American dogwood) and Cornus kousa (Kousa dogwood).


🌸 Plant Profile
Type: Deciduous ornamental tree
Mature Size:



Height: ~15–22 ft (4.5–6.7 m)



Spread: ~12–18 ft (3.6–5.5 m)
Zones: 5a–9b
Light: Full sun to partial shade
Soil: Moist, well-drained; slightly acidic preferred
Water: Moderate




🌼 Key Features
Spectacular Spring Flowers



Large, showy white bracts (often mistaken for petals) appear in spring after leaf emergence, creating an impressive floral display.



Foliage & Fall Interest



Glossy green summer foliage transitions to purple-red hues in fall, adding seasonal color.



Disease & Pest Resistance



Part of the Rutgers Stellar® Series, it has excellent resistance to common dogwood diseases like anthracnose and tolerance to dogwood borers — a major improvement over many native dogwoods.



Form & Habit



Upright, moderately vigorous growth with a balanced shape suitable as a specimen tree or focal planting.



A sterile cultivar: no fruit production, reducing litter and maintenance.




🌳 Landscape Uses


Specimen tree in lawns or mixed borders



Understory or woodland edge plant



Accent near patios, entrances, or focal points



Provides vertical interest and seasonal contrast




🌱 Care Tips


Plant in a location with full sun to light afternoon shade



Maintain moist, well-drained soil; mulch to conserve moisture



Minimal pruning required — remove only dead or crossing branches

Height

22'

Width

18'

Hardiness zones

5–9

Sunlight

Full Sun, Partial Shade

Growth rate

Moderate

Bloom time

Late Spring

Flower color

White

Leaf color

Green

Attracts

Butterflies

Soil

Moist well-drained

Landscape use

Accent Plant, Specimen

Shape

Rounded, Upright

Deer resistant

Yes

Drought tolerant

No