More drastically cutting back spirea should occur in the fall or in late winter to early spring. Remove any dead branches and use this trimming to shape the shrub. Cutting it way back will stimulate new growth in tighter clusters so that you can get a more rounded, compact shrub shape.

How do you trim spirea in the fall?

Fall is the time for the most severe pruning of spirea. 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.

Can I cut my spirea to the ground?

The spirea species (Spiraea spp.) ... To control the spirea's size and keep it blooming year after year, you should prune it back after blooming or when it's dormant in winter. If it's severely overgrown, cut it to the ground to rejuvenate the shrub.

How do you winterize spirea bushes?

Using winter mulch is recommended as it helps to keep the shrub moisturized and prevents the lower stem being weakened due to freezing and thawing. Most spirea varieties react well to being pruned during the late winter season.

How far back can you prune spirea?

Trim back overgrown spireas or those that produced sparse foliage on the lower stems severely in fall after the foliage begins to fall off, to keep the shrubs shaped and compact. Cut back each stem to within 8 to 12 inches of the ground.

Renewal Pruning Spirea - Taming the Monster

How do you prune a spirea japonica?

In early to mid-spring cut back the previous year's flowering stems to within one or two buds of the older woody framework. Also remove any thin, weak or dead growth.

Can spirea survive a freeze?

The plant may be stunted for a while, but as long as it is alive, it should survive. ... There are hardy plants that grow when the weather is still cool and most of these will be OK; the forsythia, witch hazel and spirea seemed all right but in some cases magnolia burned and turned brown.

Does spirea stay green in winter?

Seasonal Characteristics. As deciduous shrubs, spirea lose their leaves every year in the fall. ... Other varieties of spirea have fall color, though it is not always consistent. Spring flowers, however, are much more reliable. Japanese, bridal veil and birchleaf spirea all flower in the spring or summer.

How do I protect my spirea in the winter?

Protect it with hardware cloth fencing and tie its branches in toward its center. Bury the excess cloth into the soil around its base to make it harder to remove or unravel. When planting spirea, do so with the plants between 2 and 15 feet apart.

How do you rejuvenate spirea?

1. Shrubs such as spirea and weigela can be rejuvenated through pruning. After 2-3 years they become woody and worn out. ...
2. Using hand pruners and pruning shears, cut the entire shrub back to about 6" in height. ...
3. This is the same shrub the following spring.

Why does my spirea looks dead?

Poor Water Management. Too much or too little water can stress plants. Although spirea tolerates dry sites, it grows best in consistently moist soil that drains well. ... Too much water can cause leaves to turn yellow or entire stems to die, which may give you a false signal your plant needs more water.

Should you deadhead 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. Deadheading will prevent the production of seeds in the fall and can save you a lot of cleanup work.

Does spirea bloom on old wood?

Spring-bloom spirea produce buds the year before they bloom, which means they blossom on old growth. These buds begin to set the autumn before they open. Meanwhile, summer-blooming types blossom on new growth, since they develop buds in the spring just a season before they open.

Is it OK to trim bushes in the fall?

DON'T prune during fall.

This can weaken and damage the plant—especially if there's an early frost. When trimming shrubs, wait until the plant is in deep dormancy before pruning.

How do you keep spirea from spreading?

In areas where the population of spirea is sparse or in areas that are environmentally susceptible, one way to stop the spread of Japanese spirea is to cut or mow the plant. Repeated mowing of the invasive plant will slow its spread but not eradicate it.

How big does a spirea bush get?

Plant sizes vary by species and cultivar, and they range from 1½ to 8 feet tall. There are many species of spireas (greater than 80), but only the most commonly encountered species and cultivars are included here.

Is spirea frost hardy?

It's hardy in USDA zones 4-8, with many selections expanding that to 3-9. It is tolerant of a wide range of conditions, including poor soil, heat, cold, humidity, drought and urban pollution.

When should I cut back my plants after freezing?

Do not prune anything for several days after a freeze. It often takes several days for all of the damage to be evident. You may even find that some plants that look damaged immediately after a freeze actually aren't.

Will a tree recover from frost damage?

Damage may look severe, but plants will usually recover. Frost damage that occurs in late winter or early spring, also known as late frost damage, is characterized by damage to newly emerging shoots and leaves following freezing temperatures. ...

Are my shrubs dead after freeze?

Wait until new growth occurs to see which parts of your plant have survived frost damage. Live stems and branches will produce new growth, while those killed by frost damage will not. ... If it snaps off, it's most likely dead. If the branch is flexible, then it is most likely still alive.

How do you take care of a spirea plant?

Keep newly planted spireas well-watered until they become established. Mature spireas are drought tolerant and only need watering when the soil becomes dry. Spireas don't like wet feet, so avoid oversaturating the soil.

When should hydrangeas be cut back?

Trimming should be done immediately after flowering stops in summer, but no later than August 1. Do not prune in fall, winter, or spring or you could be cutting off new buds. Tip-pruning the branches as leaves emerge in spring can encourage multiple, smaller flower heads rather than fewer larger flower heads.

When should I prune my bridal wreath spirea?

Prune for More Blooms

Bridal wreath spirea blooms in the spring from buds that were set on the growth from the year before. Late summer or fall pruning removes the growth which then reduces the number of buds on the shrub. For a full blooming season, the shrub needs pruned as soon as the flowers fade.