Mar 30, In the fall or late-winter, prune the spirea again. This trim is more aggressive than the spring-time one. Remove all dead branches, old foliage, and old shrubfell.buzzted Reading Time: 5 mins.
Oct 25, With sharp shears, cut each stem back to about 8 inches (20 cm.) from the ground. Don’t worry that the plant won’t bounce back. In the spring, spirea will reward you’re courageous pruning with new stems and plenty of blossoms. Japanese spirea should be tip pruned in late winter or early spring prior to bud swell and before the shrub leafs out.
Also, at this time, remove any dead, damaged, or. The reasons to wait are twofold. If you stimulate new growth, that can indeed cause their demise during a possible early freeze/thaw cycle. You will also have the opportunity to trim off any dead branches or winter-damaged growth. ken_adrian Adrian MI cold Z5. 13 years ago. proper shrub pruning. involves removal of up to 1/3 of the plant. Mar 02, 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.
More drastically cutting back spirea should occur in the fall or in late winter to early spring. Spirea White, includes Bridal Wreath, Snow White, Snowmound, Fairy Queen and Thor Birchleaf.
Not Japanese White, see pink spirea. Prune these spring flowering shrubs soon after they have bloomed. Top prune the plant to improve the shape and reduce its size but, be careful not to remove more than 30% of the top growth.
Some summer pruning can. If you trim these spirea varieties at other times of the year, such as during the winter, the limbs may not be able to recover from the pruning stress; branches will slowly wither, showing stunted.
Spirea Pink (summer blooming), includes A. W., Daphne, Dolchica, Goldflame, Goldmound, Limemoumd, Little Princess, Magic Carpet, Neon Flash, Norman, Shirobana and Japanese White.
Prune these shrubs in early spring before they leaf out. Remove 50% to 75% of the top of the shrub maintaining a mounded form. Remove the heaviest canes all the way. Jun 23, There are several tools that you will need to perform your pruning or trimming of a spirea. Each of them is appropriate for different cases depending on age, time of year, type of pruning, etc. Hand Pruning Shears: Stems up to half inch in diameter can be pruned with hand shears. Lopping Shears: It is suitable to use on stems between half inch and 2 inches in diameter.
Spirea bushes are hardy in U.S. Department of Agriculture plant hardiness zones 4 to 8. If you live outside of these zones, the bush may suffer from too much heat or too much cold during the harsh winters.
Oct 25, Failing to Deadhead Your Spirea Deadheading is the process of cutting off flowers that have faded. This process isn’t a requirement for the spirea, but it can be very beneficial.