Images Depict Mature Plants
Dee Runk Boxwood
Buxus sempervirens 'Dee Runk'
As a naturally upright growing Boxwood tree, the Dee Runk Boxwood's tall and slender form make it the perfect vertical accent for a classic English garden.
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The Dee Runk Boxwood (Buxus sempervirens Dee Runk) is an evergreen shrub that is known for its columnar habit and dark green foliage that keeps its color throughout the year. It thrives in a number of soils although it will do best in well-drained soils.
As a close relative to the Green Pillar Boxwood, the Dee Runk also boasts an upright habit that is unlike most boxwood shrubs. The Dee Runk naturally grows upwards making it an ideal option for vertical accents in the garden.
As far as sun exposure, partially shaded areas as well as conditions of full shade are best for the Dee Runk. Large amounts of full sun may burn the deep green foliage. Additionally, these hardy evergreen shrubs enjoy well-draining alkaline soils for optimal growth.
Although it has a slow growth rate, in ideal conditions, Dee Runk Boxwoods can reach 7 feet tall and 3 feet wide. They can be sheared to create a cleaner, classic look but they can also be allowed to grow wild. Pruning should be done in early spring before new growth arrives.
Not only is the Dee Runk Boxwood low maintenance, but it is also deer resistant and resistant to boxwood blight, making it the perfect foundation planting for beginner gardeners and experts alike. The deep green color, easy-care regimen, and columnar form make these pillar-like pyramidal boxwoods perfect for narrow hedges, as well as use as door framing and yard border trees.
| Hardiness Zone: | 5-9 |
|---|---|
| Mature Height: | 7 to 9 Feet |
| Mature Width: | 1.5 to 2 Feet |
| Classification: | Evergreen shrub |
| Sunlight: | Full sun to partial shade |
| Habit: | Upright |
| Foliage: | Green |
| Soil Condition: | Any well-drained soil |
| Water Requirements: | Water well until established |
How to Care for Dee Runk Boxwood
Be sure to read our planting instructions to ensure a healthy and happy plant for years to come!
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How do I prune Dee Runk Boxwoods?
To maintain the Dee Runk Boxwood in its most natural shape, thinning is the most appropriate way to prune for an informal look. To thin, prune selected branches throughout the shrub to the main trunk, to a lateral branch or to a lateral bud. The older and diseased branches can be pruned to the ground. This method of pruning allows the center of the boxwood to receive light and air, improving the health of the shrub. Boxwoods have a tendency to become very dense, especially if it has been sheared over a long period of time. This not only can cause fungal diseases, but also causes the leaves to grow just on the edges of the shrub. The inside of the boxwood then turns brown where leaves have died due to a lack of light. Thinning allows the leaves to grow along the entire branch, not just the tips, resulting in a fuller look. Thinning can be done any time of the year except about six weeks before the first frost.
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How do I mulch Dee Runk Boxwoods?
We highly recommend that you mulch your Dee Runk Boxwood with either a ground hardwood mulch or a ground cypress mulch depending on your local availability. Any type of mulch will do, but cypress or hardwood mulch will be of a higher quality and provide better nutrition overall as they breakdown. Mulching helps to keep weeds away that will compete with your new investment for water and nutrients. A 2 to 3-inch layer of mulch is sufficient, but remember to take care not to cover any part of the stem of the plant with mulch. It's better to leave a one-inch gap of space between the mulch and the stem or trunk of the plant.
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How do I water Dee Runk Boxwoods?
After back filling and lightly compacting the 50/50 mix of existing soil and compost give the Dee Runk Boxwood a good, deep watering. This is not to be rushed. Most of the water you put on the plant at first will run away from the plant until the soil is soaked. A general rule of thumb is to count to 5 for every one gallon of pot size. For example, a one gallon pot would be watered until you count to 5; a three gallon pot would be 15; and so on. Check the plant daily for the first week or so and then every other day there after. Water using the counting method for the first few weeks. Gator bag Jr. can be used to help aid in this process and also provide plants with a good soaking due to the slow release of the water into the root-zone of the plant. Soaker Hoses can also be used to water when planting a long hedge.
How do I fertilizer Dee Runk Boxwoods?
Dee Runk Boxwoods grow best if they are fertilized once in the spring and again in early summer. Dee Runk Boxwoods favors nutrient rich soil and ample fertilization. Dee Runk Boxwood benefits from an fertilizer which can help raise the acid level of the soil such as Holly-Tone by Espoma. When selecting a fertilizer for your Dee Runk Boxwood, if soil Ph is not an issue a simple balanced fertilizer can be used such as Tree-tone. Espoma products are easy to use. Just sprinkle around the base of the plant and water it in. Be careful with products such as miracle-grow as these products can burn newly planted plants when not used at the recommended rates. Slow-release fertilizer can help prevent rapid sucker growth that is vulnerable to diseases and insects.
