Trim the spiral once every two weeks to keep it neat and in shape.

Cut back the branches and foliage until you reach the central trunk in the bush. Work all around the plant until you have a uniform, deep cut, spiraling down from the top to the bottom edge. Jun 09, Spiral topiaries can be large (6 feet or more) or small (just 8 x 10 inches).

If you're nervous about cutting into a large, pricey plant, create a smaller topiary first.

Dried moss glued to foam balls is to real topiary what a stuffed toy is to a flesh-and-bone tiger.

Gain confidence by observing similar topiaries at local garden centers or public gardens. man wrapping bushleaning.barted Reading Time: 4 mins. Cut away the branches that fall under the ribbon. These branches should be removed as close to the trunk of the topiary as possible. Remove the ribbon when you have removed all of the necessary. Mar 02, You should actually prune your spirea more than once a year, at least twice. Give it a good trim after it flowers in the spring by cutting back the tips of the stems to the top leaf bud.

This removes the dead blossoms and also may trigger a second blooming and new leaf growth. You can also shape the shrub at this time. Oct 25, Spirea shrubs respond well to pruning. In the spring, after the first blooms are spent, cut the dead flowers back by trimming spirea’s stem tips back to the topmost leaf on each stem.

Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches.

Jan 27, Topiary plants must be trimmed in a very specific way to maintain the health of the plant. Trim a topiary with help from a landscape designer and horticultur.