Russian Arborvitae

Microbiota decussata

Cupressaceae · vine groundcover · introduced

Last updated March 8, 2026

Data Coverage 2 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

1 ft

Light

Full Sun to Shade

Hardiness

Zone Zones 2a–8b

Bloom Time

Non-flowering

Diseases (6)

Symptom category — not a single disease Root Rot Hendersonia coniothyrium Berckmann's Blight Evergreen plants Cedar Flagging Fungal agents (multiple) Leaf Blight Phomopsis spp., Kabatina spp., and Pestalotiopsis spp. Shoot Tip Dieback Diaporthe vaccinii Twig Blight

Pests (7)

Argyresthia cupressella Cypress tip moth Various (Buprestidae, Scolytinae) Flat Headed And Shothole Borers Carulaspis juniperi Juniper scale Juniper fall-webworm Various (Agromyzidae, Gracillariidae, Tenthredinidae) Leafminer Tetranychidae Spider mite Physokermes piceae Spruce bud scale