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.
Thereof, How do you prune a spirea?
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.
Also to know is, How far apart do you plant spirea? Spacing: Space spirea plants 2 to 15 feet apart, depending on the expected mature width of the plant and the application. To create dense, full spirea hedges, you can space your plants more closely together as long as you give them some elbow room.
Subsequently, question is, How do you plant little princess spirea? The Little Princess Spirea, Spiraea japonica ‘Little Princess’, is easily grown in average, medium wet, well-drained soil in full sun to part shade. Little Princess Spirea cultivar is a dense, upright, compact, mounded deciduous shrub which has narrow, dark blue-green foliage.
Also, Why is my spirea dying?
Although spirea tolerates dry sites, it grows best in consistently moist soil that drains well. … Prolonged exposure to waterlogged soil can cause roots to suffocate or rot. 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.
How wide does spirea grow?
Vanhoutte spirea (S. x vanhouttei) is a deciduous broadleaf shrub with an arching branch habit that can grow 5 to 8 feet high and spread as much as 7 to 10 feet wide.
How do you deadhead spirea?
Pinch off the flowers or use a pair of hand clippers to cut the stems, just under blooms. Unless you want to prune your spirea at this time, do not remove any foliage — just the flowers.
How do you prune a spirea Arguta?
Spiraea ‘Arguta’ After it has flowered, take the chance to prune it and encourage bushy growth. Cut the flowered stems back to a sideshoot. Mature plants with congested branches can be thinned by removing one third of the oldest stems.
Why are my spirea leaves turning brown?
We suspect that your spirea may be getting too much moisture from rain and watering. Never water overhead, i.e. sprinkling or hosing from above. … Most plants grow well with about 1″ of water a week. Supplement rainfall by watering your spirea only when at least the top 1/2 to 1 inch of soil has dried out.
Are you supposed to cut back 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. … More drastically cutting back spirea should occur in the fall or in late winter to early spring.
Can false spirea be pruned?
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. As the plant matures, some “renewal pruning” should be done. …
What is killing my spirea?
Aphids, also called “plant lice,” are soft-bodied, pear-shaped sucking insects about the size of the head of a pin. They sometimes cluster in large masses on tender new leaves and buds of spirea. Their feeding retards plant growth, and causes the leaves to curl and turn yellow.
Should I 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 plant Spiraea?
The spirea shrub does best when planted in full sun or light shade. Planting the shrub in full shade results in stunted growth, and a reduction in the number and size of blooms. Position your spirea in an area with well-drained soil, as they do not like wet feet.
How do you take care of a little princess spirea?
Add 2-3 inches of mulch to prevent weeds and help keep the soil moist. Fertilize with a slow release fertilizer in spring after the chance of frost has passed. After your Little Princess Spirea has finished flowering prune back or “deadhead” the spent flowers. This will promote re-blooming.
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.
How do you keep Spirea blooming?
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 diseased stems along with those that cross each other. To keep spirea looking great and to promote blooming, trim the plant at least twice per year.
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