Allegheny Blackberry
Rubus allegheniensis
Rosaceae · broadleaf deciduous shrub · introduced
Last updated
Plant Profile
Size & Form
Height
5 ft
Growth Rate
Medium
Site Requirements
Light
Full Sun
Soil Drainage
Moist
Soil pH
4.5-8.5
Water
Moderate
Drought Tolerance
Moderate to high
Hardiness
Zones 3a–7b
Ornamental Interest
Bloom Time
may to july
Fall Color
Orange
Origin
eastern North America from Quebec, Ontario and the Maritime
Watch for this season
Powdery MildewHigh
Active Conidial Spread
Root Colonization Period
Anthracnose (Shade Trees)Moderate
Active Infection & Secondary Spread
Armillaria Root RotModerate
Active Below-ground Growth
+ 3 more — see full disease and pest lists below
Diseases: Regionally Documented (30)
[VERIFY] Leaf And Cane Spot Phytophthora cactorum Fruit Rot Discula destructiva (dogwood), Kabatiella and Discula spp... Anthracnose Armillaria spp. — primarily A Armillaria Root Rot [VERIFY] Blackberry Collapse Blackberry Rust Cane and Leaf Rust Kalmusia coniothyrium Cane Blight Agrobacterium tumefaciens Crown and Cane Gall Multiple obligate oomycetes (Peronosporaceae); species ar... Downy Mildew Monilinia rubi Dry Cell (Dry Berry) Syndrome Phytophthora spp. (P Phytophthora Root Rot Multiple obligate biotrophic fungi (Erysiphales: Erysipha... Powdery Mildew Thrips tabaci Purple Blotch Septoria spp. Septoria Leaf Spot Xenodidymella applanata Spur Blight Anthophora dendrobii or Botryotinia fuckeliana Stamen Blight Verticillium dahliae Verticillium Wilt Blueberry mosaic virus and related viruses Virus Diseases Seimatosporium lichenicola Ascospora Dieback Raspberry bushy dwarf virus (RBDV) + raspberry leaf mottl... Crumbly Fruit Described as Dry Berry Fruit Rot and Cane Botrytis Pseudomonas Blight Tomato ringspot Ringspot Symptom category — not a single disease Root Rot Raspberry bushy dwarf virus and related viruses Virus Various plant-parasitic nematode genera Nematodes Xiphinema americanum and related species Nematode, Dagger Pratylenchus penetrans (primary) and P Nematode, Root-lesion
Pests: Regionally Documented (4)
Data Maturity Structured Multiple sources. Expert review underway.