Oneseed Juniper
Juniperus monosperma
Cupressaceae · coniferous shrub · introduced
Last updated
Plant Profile
Size & Form
Height
6-20 ft
Spread
6-20 ft
Growth Rate
Medium
Site Requirements
Light
Full Sun
Soil Drainage
Moist
Soil pH
neutral to alkaline
Water
Moderate
Drought Tolerance
Moderate to high
Hardiness
Zones 7a–8b
Ornamental Interest
Bloom Time
early spring
Origin
from Colorado to west Texas, New Mexico
Watch for this season
RustHigh
Uredinial Stage (Summer)
AphidHigh
Peak Population & Dispersal
Spring Population Buildup
Armillaria Root RotModerate
Active Below-ground Growth
+ 3 more — see full disease and pest lists below
Diseases: Regionally Documented (11)
Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Phytophthora spp. (P Phytophthora Root Rot Phomopsis Twig Blight Magnesium Deficiency Canker and Dieback Pear Trellis Rust Armillaria spp. — primarily A Armillaria Root Rot Symptom category — not a single disease Leaf Blight Phoradendron villosum Mistletoe (a True Mistletoe) Seiridium cardinale Seiridium Canker Taphrina wiesneri Witches' Broom
Pests: Regionally Documented (10)
Carulaspis juniperi Juniper scale Oligonychus ununguis Spruce spider mite Various (Agromyzidae, Gracillariidae, Tenthredinidae) Leafminer Juniper fall-webworm Oligotrophus betheli Juniper tip midge Argyresthia cupressella Cypress tip moth Aphidoidea Aphid Otiorhynchus spp. Root weevil Tetranychidae Spider mite Argyresthia spp. Cypress tip moth and allies
Data Maturity Structured Multiple sources. Expert review underway.