Spirea

Managing Japanese Spirea - How To Control Japanese Spirea Plants

Managing Japanese Spirea - How To Control Japanese Spirea Plants
  • 1610
  • Richard Franklin

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.

  1. How do you control spirea?
  2. How do you trim spirea in the spring?
  3. Can I cut my spirea to the ground?
  4. Is Japanese spirea invasive?
  5. What can I plant next to spirea?
  6. Does spirea die in winter?
  7. Does spirea bloom on old wood?
  8. Why is my spirea dying?
  9. Do you deadhead spirea?
  10. How do you fertilize spirea?
  11. Is spirea an evergreen?
  12. Is spirea an invasive plant?
  13. Does spirea bloom all summer?
  14. How tall does Spirea japonica grow?

How do you control spirea?

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.

How do you trim spirea in the spring?

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.

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.

Is Japanese spirea invasive?

Also known as Japanese Meadowsweet, this ornamental shrub was first introduced from Asia around 1870 to 1880 due to its showy flowers. It is now classified as invasive in the Mid-Atlantic states, including Virginia, and is on the list for Arlington County. ...

What can I plant next to spirea?

They look especially good paired with bigleaf hydrangeas. Or set them near clumps of hostas that will take some sun. Since spirea blossoms are mainly flat clusters, contrast the flower shapes you plant nearby. Narrow purple spikes of salvia or upright plumes of astilbe add nice variety.

Does spirea die in winter?

All Spireas are deciduous and lose their leaves in the winter. Most bloom between March and May in our area. Some varieties will produce a second set of flowers if the worn out blooms are pruned off.

Does spirea bloom on old wood?

Bud Development

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.

Why is my spirea dying?

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.

Do you deadhead spirea?

Deadheading: This is merely the practice of clipping off old flowers to stimulate the growth of new foliage and blossoms. ... Pink flowering spirea should also be deadheaded. You can cut off old flowers using a pruners, hedge shears or an electric shearing tool.

How do you fertilize spirea?

Most established plants grow best if fertilized with a light hand. Here at the Farm, we fertilize our specimen trees and shrubs just once -- in early spring -- with a light but even coverage of a balanced, granular fertilizer (such 5-10-10, 10-10-10, or an organic fertilizer).

Is spirea an evergreen?

Spirea (Spirea spp.), a group of plants belonging to the rose family, are a group of deciduous shrubs that originated in Central and Eastern Asia. ... Because they lose their leaves every year, spirea are not considered an evergreen plant.

Is spirea an invasive plant?

Invasive Plant: Japanese Spirea

Common in much of the Northeast, Southeast and Midwest, Japanese spirea or Japanese meadowsweet overshadows native herbs and shrubs.

Does spirea bloom all summer?

They are beginning to bloom and will continue to do so throughout the summer. Although they bloom prior to July 4, you can prune this group of Spirea in late winter to help force new growth where this year's flower buds will form (do not prune spring blooming Spirea until immediately after they flower).

How tall does Spirea japonica grow?

Spiraea japonica (meadowsweet) is a low-growing, mound-forming, shrub with rose-pink flowers in flat-headed panicles, from mid to late summer. Height to 3ft (90cm), spreads to about (1.5m).

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