American Euonymus
Euonymus americanus
Celastraceae · broadleaf deciduous shrub · native
Last updated
Quick Facts
Height
4–6 ft
Spread
4-6 ft
Growth Rate
Moderate
Light
Sun to Part Shade
Soil
Wet Tolerant
Water
High
Hardiness
Zone Zones 5a–8b
Bloom Time
May to June
Fall Color
Red, yellow
Origin
New York to Florida, west to Texas
Watch for this season
Primary Spore Release
Bacterial BlightHigh
Spring Infection Period
SlugHigh
Winter-Spring Feeding
Powdery MildewModerate
Spring Emergence / Primary Infection
+ 3 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 | May 1-May 31 |
| Bloom end / petal fall BBCH 69 | May 15-Jun 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 (8)
Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Pseudomonas syringae pv. syringae Bacterial Blight Discula destructiva (dogwood), Kabatiella and Discula spp... Anthracnose Raspberry bushy dwarf virus and related viruses Virus Ramularia grevilleana Common Leaf Spot Gray Mold Phytophthora fragariae var. fragariae Red Stele
Pests: Regionally Documented (11)
Unaspis euonymi Euonymus scale Aphidoidea Aphid Halyomorpha halys Brown marmorated stink bug Noctuidae Cutworms and Armyworms Tortricidae Leafroller Tetranychidae Spider mite Otiorhynchus spp. Root weevil Gastropoda Slug Cercopidae Spittlebug Drosophila suzukii Spotted-wing drosophila Pulvinaria floccifera Cottony camellia scale
Data Maturity Structured Multiple sources. Expert review underway.