The Story
Plant Bio
The Rutgers series of hybrid dogwoods (Cornus kousa x Cornus florida) are renowned for combining the best traits of both parents, including large flowers and strong disease resistance.
'Ruth Ellen' is distinguished by its low-branching, rounded habit and a heavy production of large white flower bracts. It offers excellent resistance to dogwood anthracnose and powdery mildew.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Tree
Height
216 inches
Width
216 inches
Light
Full Sun, Partial Sun
Zones
5, 6, 7, 8
Water
Medium
Humidity
Average
Lifespan
50+ years
Native To
Hybrid
Toxicity
Non-toxic to humans and pets
Bloom period
Late spring
In flower about 1 month of the year
Planting
How to Grow
- Select a location with morning sun and afternoon shade.
- Amend soil with compost to improve drainage and fertility.
- Dig a planting hole twice as wide as the root ball.
- Set the tree with its root flare slightly above soil level.
- Backfill the hole and water deeply to eliminate air pockets.
- Mulch around the base, keeping it away from the trunk.
Pro Tip
Ensure good air circulation and morning sun to promote drying of foliage, further enhancing its natural disease resistance.
Keep It Thriving
Care Guide
Do
- Water regularly during the first growing season to establish roots.
- Provide consistent moisture, especially during hot, dry periods.
- Test soil pH and maintain an acidic to neutral range.
- Remove any suckers that appear at the base of the tree.
Don't
- Do not plant in poorly drained or alkaline soils.
- Avoid overhead watering, which can encourage foliar diseases.
- Don't prune heavily, as it can spoil the natural form.
- Refrain from fertilizing after mid-summer to avoid tender late-season growth.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Ruth Ellen Dogwood questions
What zones can Ruth Ellen Dogwood grow in?
Ruth Ellen Dogwood is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Ruth Ellen Dogwood deer resistant?
Yes — Ruth Ellen Dogwood is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Ruth Ellen Dogwood bloom?
Ruth Ellen Dogwood typically blooms in late spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Ruth Ellen Dogwood need full sun?
Ruth Ellen Dogwood does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Cornus to compare

Red Twig Dogwood
Cornus sericea 'Red Twig'

Arctic Fire Red Osier Dogwood
Cornus sericea 'Arctic Fire'

Kousa Dogwood
Cornus kousa

Cardinal Red Osier Dogwood
Cornus sericea 'Cardinal'

Midwinter Fire Dogwood
Cornus sanguinea 'Midwinter Fire'

Giant Dogwood
Cornus controversa
Keep exploring
Explore the genus
Hardy in your zone?
Grow Ruth Ellen Dogwood with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
