Doublefile Viburnum's are often overlooked as a landscape choice. Graceful horizontal branches spread an impressive 12 feet on this bushy deciduous shrub. Reaching a height of 10 feet, the furrow- veined, dark green leaves perfectly frame white flowers in May. Bright red berries follow in July and August, and the foliage turns reddish-purple in fall. This is a year round viburnum, easy to grow.
Things You'll Need
Choose a sunny location for your viburnum. Doublefile's will bloom best in full sun, but will tolerate partial shade.
Prepare your planting site. The planting hole should be dug to a width 4 times the size of the viburnum root ball and of equal depth. The top of the root ball should be at ground level.
Remove the viburnum from the container. A balled-and-burlapped specimen should have half of the burlap cut away from the root ball. The remaining burlap will decompose in the ground, but any synthetic materials should be completely removed. Also remove any twine or wire that may restrict the shrub's growth.
Place the viburnum in the planting hole and fill with water. Allow time for the root ball and surrounding soil to absorb.
Backfill the original soil into the planting hole and water again deeply.
Spread a 2- to 4-inch layer of mulch over the entire planting area. This helps retain moisture, keep the roots cool and prevent the growth of weeds.
Tips & Warnings
- Doublefile viburnum (Viburnum plicatum var. tomentosum) can be successfully planted in hardiness zones 4 to 8. Check the USDA Hardiness Zone Map to ensure planting success in your area.
- Prune the viburnum after it has finished blooming. To maintain the shrub's horizontal shape, do not remove the branches close to the ground.
- This viburnum has a moderate growth rate. Fertilize in early November with a granular, all-purpose fertilizer to encourage growth.
- The doublefile viburnum is an easy to grow shrub with few pest problems that works well in the home landscape. Use it as a specimen plant or plant several as a screen.
- Doublefile viburnum are not tolerant of dry soil or heavy clay. Choose a location where the soil remains moist but is well-drained.
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