Protected Series:
Zone: 4BLUE KOREAN ARBORVITAE
Thuja koraiensis 'Glauca' is commonly referred to as Blue Korean Arborvitae. This bluish-green informal evergreen conifer features dusty blue foliage with bright white stomatal bands underneath the leaf. It is similar to C. nootkatensis with a mounding habit with scattered branches that droop randomly, but is unique for its silvery-white markings underneath the leaf.
Blue Korean Arborvitae thrives in full sun with some afternoon shade in hot climates. It enjoys average, evenly moist, well-drained soils. It is intolerant of drought conditions.
| PLANT | SIZE | TYPE | GALENA | ADD'L | DIG | SOON |
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To help this plant settle in and thrive, we recommend these standard planting practices: Plant in fertile, well-draining soil, selecting a location that receives full sun to partial shade for the best foliage density and color. These evergreen species are adaptable, but they require consistent moisture to remain healthy and vibrant, particularly during the first few growing seasons until the root system is well established. Prune in late winter or early spring to remove dead wood or to lightly shape the plant, avoiding deep cuts into old wood where foliage will not regrow. Apply a layer of organic mulch around the root zone to conserve moisture and suppress weeds, taking care to keep the material a few inches away from the crown to prevent stem rot.
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