• Photo of Cornus controversa (Cornus controversas)

Plant Profile: Cornus controversa

Taxonomy: Cornus controversa

Names

Giant Dogwood

  • Photo of Cornus controversa (Cornus controversas)

Phonetic Spelling:KOR-nus kon-troh-VER-suh

Genus:Cornus

Species:controversa

Family:Cornaceae

This tree is a medium to tall ornamental species that thrives in sunny to partially shaded environments and prefers moist, well-drained soil. It exhibits a moderate to rapid growth rate and features a charming, wide-spreading form with branches that extend horizontally, giving it a layered appearance.

It attracts a variety of wildlife, including birds, pollinators, and butterflies, thanks to its vibrant flowers and fruit.

**Seasons of Interest:**
- **Foliage:** Fall
- **Bloom:** Early Summer
- **Fruit:** Summer to Fall, featuring red berries

**Insects, Diseases, and Other Concerns:**
Potential insect pests include leaf miners and scale, though they are not typically severe threats. However, this plant can be prone to various diseases when under stress, with dogwood anthracnose being the most critical. Other issues may include powdery mildew, leaf spot, canker, root rot, and blight affecting leaves and twigs. Additionally, it may become susceptible to borers.

Cornus controversa Feature Summary

Cornus controversa Image Gallery

Tags

#purple
#white
#showy flowers
#deciduous
#fall color
#full sun tolerant
#cream
#white flowers
#wildlife plant
#tree
#nectar plant
#shelter
#spring flowers
#flowering tree
#berries
#specialized bees
#deer resistant
#cream flowers
#Andrena fragilis
#Andrena integra
#spring interest
#pollinator plant
#deciduous tree
#bird friendly
#butterfly friendly
#partial shade tolerant
#bee friendly

Similar Plants

Cornus controversa Feature Summary

Attributes
China, Korea, Japan
Zones 5-8 across the United States
Fruits are attractive to birds, and plants provide nesting sites. Members of the genus Cornus support the following specialized bees: Andrena (Gonandrena) fragilis, Andrena (Gonandrena) integra, and Andrena (Gonandrena) platyparia.
Wildlife Food Source
Attracts Pollinators
Wildlife Nesting
Wildlife Cover/Habitat
Attractive Flowers
Fruit
This plant has 0.25 in. reddish to purple to blue-black fruit (berries). Fruits are attractive to birds.
Red/Burgundy
Purple/Lavender
Black
Blue
< 1 inch
Flowers
Small, creamy-white flowers appear in flattened clusters (cymes to 3-7” wide) in late spring (May-June). Although individual flowers are small, a tree in full bloom is quite showy.
White
Cream/Tan
Spring
Summer
1-3 inches
Leaves
This plant has 3-6 in. alternate, simple leaves that may develop a purple fall color.
3-6 inches
Whole Plant Traits
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Acid (<6.0)
Good Drainage
Moist
more than 60 feet
24-60 feet
Coastal
Mountains
Piedmont
High Organic Matter
Landscape
Pollinator Garden
Asian Garden
Specimen
Flowering Tree
Butterflies
Pollinators
Songbirds
Small Mammals
Specialized Bees

Cornus controversa Attributes

Cornus controversa: Country Or Region Of Origin

China, Korea, Japan

Cornus controversa: Distribution

Zones 5-8 across the United States

Cornus controversa: Wildlife Value

Fruits are attractive to birds, and plants provide nesting sites. Members of the genus Cornus support the following specialized bees: Andrena (Gonandrena) fragilis, Andrena (Gonandrena) integra, and Andrena (Gonandrena) platyparia.

Cornus controversa: Particularly Resistant To (Insects/Diseases/Other Problems)

Deer

Cornus controversa: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Cornus controversa: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Cornus controversa Fruit

Cornus controversa: Fruit Description

This plant has 0.25 in. reddish to purple to blue-black fruit (berries). Fruits are attractive to birds.

Cornus controversa: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Cornus controversa: Fruit Color

grass
Black
grass
Blue
grass
Purple/Lavender
grass
Red/Burgundy

Cornus controversa: Fruit Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Cornus controversa: Display/Harvest Time

Fall
Spring
Summer
Winter

Cornus controversa: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Cornus controversa: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Cornus controversa Flowers

Cornus controversa: Flower Description

Small, creamy-white flowers appear in flattened clusters (cymes to 3-7” wide) in late spring (May-June). Although individual flowers are small, a tree in full bloom is quite showy.

Cornus controversa: Flower Color

filter_vintage
Cream/Tan
filter_vintage
White

Cornus controversa: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Cornus controversa: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Cornus controversa: Flower Bloom Time

Winter
Spring
Summer
Fall

Cornus controversa: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Cornus controversa Leaves

Cornus controversa: Leaf Description

This plant has 3-6 in. alternate, simple leaves that may develop a purple fall color.

Cornus controversa: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Cornus controversa: Leaf Color

spa
Green

Cornus controversa: Deciduous Leaf Fall Color

spa
Purple/Lavender

Cornus controversa: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Cornus controversa: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Cornus controversa: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Cornus controversa: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Cornus controversa: Hairs Present

No
Yes

Cornus controversa: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Cornus controversa Whole Plant Traits

Cornus controversa: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Cornus controversa: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Cornus controversa: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Cornus controversa: Growth Rate

Slow
Medium
Rapid

Cornus controversa: Maintenance

Low
Medium
High

Cornus controversa: Texture

Fine
Medium
Coarse

Cornus controversa Cultural Conditions

Cornus controversa: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Cornus controversa: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Cornus controversa: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Cornus controversa: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Cornus controversa: NC Region

Coastal
Mountains
Piedmont

Cornus controversa: USDA Plant Hardiness Zone

thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b

Cornus controversa: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Cornus controversa Stem

Cornus controversa: Stem Is Aromatic

No
Yes

Cornus controversa Landscape

Cornus controversa: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Cornus controversa: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Cornus controversa: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Cornus controversa: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Cornus controversa: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees