Rough-leaved Dogwood
Cornus drummondii
Cornaceae · broadleaf deciduous shrub · native
Last updated
Quick Facts
Height
6 ft
Spread
6-16 ft
Growth Rate
Fast
Light
Sun to Part Shade
Soil
Wet Tolerant
Water
Low
Hardiness
Zone Zones 4a–8b
Bloom Time
May to June
Fall Color
Purple, red
Origin
from Pennsylvania, Ohio and Michigan
Watch for this season
Primary Spore Release
Oystershell scaleHigh
Crawler Emergence
Armillaria Root RotModerate
Active Below-ground Growth
Powdery MildewModerate
Spring Emergence / Primary Infection
+ 2 more — see full disease and pest lists below
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | Feb 15-Mar 15 |
| Leaf emergence BBCH 11 | Mar 1-Apr 1 |
| Bloom start BBCH 61 | Apr 1-Apr 30 |
| Bloom end / petal fall BBCH 69 | Apr 15-May 15 |
| Fruit/seed development BBCH 71 | Jun 1-Aug 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
| Fall color / leaf senescence BBCH 93 | Oct 1-Nov 15 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |
Diseases: Regionally Documented (7)
Discula destructiva (dogwood), Kabatiella and Discula spp... Anthracnose Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Collar Rot Armillaria spp. — primarily A Armillaria Root Rot Symptom category — not a single disease Branch Canker Symptom category — not a single disease Leaf Spot Symptom category — not a single disease Root Rot
Pests: Regionally Documented (6)
Data Maturity Structured Multiple sources. Expert review underway.