
- Water. Water deeply once or twice a week to keep the soil and roots moist. ...
- Mulch. Apply a two- to four-inch layer of mulch around the tree’s base for moisture retention.
- Fertilize. Apply a fertilizer formulated for acidic soil as the first leaves start to unfurl in the spring. Prevent iron-deficiency in alkaline soil by providing an iron amendment
- Test the soil. Test the soil’s pH every two to three years. Add a soil acidifier to lower the pH if it’s above 6.5.
- Control pests and diseases. Inspect the tree periodically and eliminate any pests with insecticide or predator insects like lady beetles or pirate bugs. ...
How to care for a river birch tree?
River Birch Care 1 Light. Plant river birch trees in full sun to part shade locations. 2 Soil. Plant this tree in a location where the soil is shady, moist, and has good drainage. ... 3 Water. Water deeply for two to three hours once a week to keep the soil around the tree moist. ... 4 Temperature and Humidity. ... 5 Fertilizer. ...
Can you use any fertilizer on a birch tree?
However, not just any fertilizer will do. Birches evolved in very specific forest conditions and are susceptible to insects and disease. They therefore have very specific fertilizer requirements that will not be met with a standard "one-size-fits-all" lawn and turf fertilizer.
What is eating my river birch leaves?
Common Pests/ Diseases River birch is one of the more trouble-free of the birches, but like any birch, it may fall prey to the birch leafminer (Fenusa pusilla). The symptoms are large blotches on the leaves. The best treatment is a systemic pesticide that targets these insects.
Which pests feed on my birch tree?
Which pests feed on my Birch that I should know about? 1 Japanese Beetles. These flying insects will appear sometime towards the end of June to the beginning of July, depending upon temperatures. They love ... 2 Borers. 3 Leafminers. 4 Aphids. 5 Bonus – Spotted Lanternfly.

Should I fertilize my river birch?
A river birch should not need any fertilizer unless there is an issue with the soil that needs balancing. Make sure to follow the directions for the fertilizer if it is needed to keep the tree safe from harm.
How do you keep a river birch healthy?
For best growth, river birch trees require at least four hours of full sun on a daily basis. Planting them in areas where they receive direct, unfiltered exposure to sunlight and are only partially in the shade ensures that they will actually have the light they need. This sunlight is crucial to river birch tree care.
When should I feed my birch tree?
If you must fertilize birch trees, fertilizing in late fall or early spring inspires healthy new growth during the growing period in spring and early summer. The fertilizer should cover the soil above the entire root system, which is typically shallow for birches and extends beneath the canopy.
How do I keep my birch tree healthy?
Cultural practices (mulching, watering, fertilizing and pruning) play an important role in developing and maintaining healthy birch trees. Mulching and proper watering are the most important. These two practices can create the cool, moist soil conditions that birch trees need.
What kills a birch tree?
Ringbarking would be the easiest and the most efficient method for killing a large Birch as it will stop the nutrient flow from the roots to the leaves, eventually drying out the tree from nutrients. You will need to either get a hatchet, hammer and chisel or chainsaw for this method.
Why are leaves on river birch turning yellow?
Yellow River Birch Leaves. The most common reason for yellowing leaves on a young birch is heat and water stress. The leaves turn completely yellow and drop to the ground. This is a natural reaction of the tree to help reduce stress in the summer.
How do you fertilize a river birch?
Apply a general fertilizer in early spring if your birch grows slowly or not at all. Irrigate the area beneath the tree out to the drip line, then broadcast a granular fertilizer in the same area. Water again immediately after fertilizing.
Do I need to fertilize my birch tree?
Birches should be fertilized once or twice a year. However, not just any fertilizer will do. Birches evolved in very specific forest conditions and are susceptible to insects and disease.
Can you overwater a birch tree?
The truth is you can never over water a River Birch! We've been growing, selling, planting, and enjoying Birch trees for over thirty years and no one has ever drowned one. No matter what you may think, a River Birch can happily soak up gallons upon gallons of water per month.
What is the life expectancy of a river birch tree?
75 yearsIt prefers sandy, moist, acidic soil and full sun. Pruning can assure a single-stem tree and establish a stronger structure to resist ice damage. Any pruning should be done during dormancy, and not when the sap is flowing. This native birch grows at a medium to fast rate with a lifespan up to 75 years.
How do you bring a birch tree back to life?
Care for your tree regularly by watering and fertilizing it, mulching the roots, or planting low-growing plants around the tree's base to keep the roots shaded. Remove any dead or diseased parts as they present to keep them from spreading, and watch for pests so you can deal with them before they become a problem.
Do birch trees need a lot of water?
Birch trees require a lot of water and good drainage. That could be the main issue with why your tree has failed to thrive over the years.
Do river birch need lots of water?
The river birch likes moist soil and should receive between 30 and 40 gallons of water a month, rainfall included. During the heat of summer months, it is essential to water daily! Watering is crucial during those heat waves!
What is the life expectancy of a river birch tree?
75 yearsIt prefers sandy, moist, acidic soil and full sun. Pruning can assure a single-stem tree and establish a stronger structure to resist ice damage. Any pruning should be done during dormancy, and not when the sap is flowing. This native birch grows at a medium to fast rate with a lifespan up to 75 years.
Can you overwater a river birch tree?
Prevention is your best weapon against leaf spot disease. Overwatering can lead to fungal growth, which may cause the leaf spot disease, so you shouldn't overwater to prevent the disease. Also, prune your River Birch regularly to increase the airflow through your tree.
How do you take care of a birch tree?
To ensure your birch tree grows strong, follow these tips of caring for your tree.Water your tree regularly. Birch trees require moist soil and need a lot of watering in the summer months during the first year of active growth. ... Mulch the tree to protect its soil. ... Prune your tree. ... Monitor for pests.
How long does it take for a river birch tree to grow?
This is a fast-growing tree that averages about 36 inches of growth per year. Dwarf varieties may grow a bit slower, taking 10 years or so to reach 10 feet. River birches are not particularly long-lived trees, however.
When do river birch trees bloom?
They form at different times; the male catkins form in fall and bloom in the spring, when the female catkins appear. After pollination, clusters of small, brown winged fruit form in the spring.
What is the name of the birch that leaves blotches?
River birch is one of the more trouble-free of the birches, but like any birch, it may fall prey to the birch leafminer ( Fenusa pusilla ). The symptoms are large blotches on the leaves. The best treatment is a systemic pesticide that targets these insects. These chemicals are best applied by a professional.
What is the best tree to grow in the spring?
After pollination, clusters of small, brown winged fruit form in the spring. A river birch is an excellent choice as a specimen tree. The salmon-red peeling bark will provide color throughout all of the seasons. This tree works well in locations with wet soil, such as along ponds and streams or in low-lying spots.
How long do birch trees live?
While some native trees have been known to live 150 years, most of the cultivars are reaching the end of their expected lifespans within 30 to 40 years. Botanical Name. Betula nigra. Common Name. River birch, water birch, black bird, red birch. Plant Type. Deciduous tree. Mature Size.
How to keep a tree from drying out?
Water deeply for two to three hours once a week to keep the soil around the tree moist. This tree needs damp soil and will suffer during periods of drought. Adding mulch will help keep the soil cool, which will protect the roots from drying out. Do not place mulch where it will touch the trunk. A thirsty tree is more likely to suffer insect or disease problems.
When is fertilizer needed for a tree?
Fertilizer. Fertilizer is only needed if the tree shows signs of distress. Weakened trees will benefit from a spring feeding with a slow-release granular fertilizer mixed into the soil over the root zone. Where soil is too alkaline, feeding with an acidifying fertilizer may be useful.
What is a river birch tree?
Close-up of a river birch tree image by ryasick from Fotolia.com. The river birch tree (Betula nigra) is a moderate to fast-growing deciduous tree that thrives in U.S. Department of Agriculture plant hardiness zones 4 through 9.
What is the best soil pH for birch trees?
Birch trees do best in a soil pH between 5.0 and 6.5, but can handle more alkaline soils. If your soil test shows a more acidic soil, you can raise the pH by spreading wood ash over the soil.
How to protect a tree from weeds?
Spread a 2- to 4-inch layer of fresh organic mulch around the tree every spring to improve the soil, protect the tree’s shallow roots, reduce competition from weeds and help the soil retain moisture. Extend the mulch for a minimum 3-foot radius around young trees and a 6-foot radius around mature trees. Do not allow the mulch to touch the trunk of the tree.
Is birch a low maintenance tree?
This is a low-maintenance tree that is highly resistant to the diseases and pests found in other birch varieties. It likes moist soil and has evolved to survive flooding, so care must be taken to ensure that it receives adequate water, especially in warm climates.
Do river birch trees need pruning?
River birch trees require only a light pruning to remove dead and diseased branches, and to maintain the desired shape. Never prune away more than 25 percent of a river birch’s canopy. Some birches produce multiple trunks and will need to be pruned to a single trunk early in life if desired.
What are the leaves of a river birch?
The leaves of the river birch are green and shiny, up to 3 inches long in the classic, almost triangular shape of birch leaves, with doubly serrated tooth margins. The canopy develops into a graceful, oval shape on both single-trunked or multi-trunked specimens. According to the University of Minnesota Extension, leaves turn canary yellow in a spectacular fall show before they fall.
When do river birch trees produce catkins?
River birch produces catkins in the spring, both brown and yellow ones that hang from the tree branches. These are followed by many tiny nutlets in May or June. The tree bark is also very handsome. It can be salmon pink or cinnamon, and, as the tree matures, it peels back, revealing the paler bark beneath.
What is the worst pest to birch trees?
One of the worst insect pests that attacks birch trees is the bronze birch borer. Fortunately, with river birch this is rarely an issue since they are resistant to the pest, according to Arbor Day. They are the most borer-resistant of all the birches.
How tall does a river birch get?
The river birch is an exceptionally attractive species, with many features that make it pleasing in a home landscape. It grows fast, topping out at 40 to 70 feet tall, with a spread almost matching the height. Fast, in this context, means up to 24 inches a year in optimal growing conditions.
Can river birch trees tolerate salt?
They are quite tolerant of different types of soil, sand, loam and wet or dry clay soil . They also tolerate road salt. On the other hand, don’t try installing them in alkaline soil or in regions with hot, dry summers. Consider the river birch tree height before planting.
Is river birch a tree?
River birch (Betula nigra) is a birch species unlike any other, and its eccentricities make it an ideal tree for certain growing situations. As the name indicates, river birch is a water-loving plant, found in nature along the banks of streams and creeks. It’s a perfect ornamental choice for planting in wet soil or to control erosion on river ...
Do sage trees need sun?
While they accept some shade, they do need at least partial sun, so select a site that gets at least four hours a day of direct exposure. These trees prefer moist, well-drained soil and accept moderate flooding, according to the Morton Arboretum.
What is a river birch tree?
Image by LAByrne. The river birch is a popular tree for river banks and wet parts of the garden. Its attractive bark is especially striking in the winter when the rest of the tree is bare.
How tall do birch trees grow?
These trees prefer full sun but will tolerate partial shade. They tend to grow between 40 and 70 feet (12-21 m.) in height.
Is river birch hardy?
River birch trees ( Betula nigra) are hardy in USDA zones 4 through 9. They are more heat tolerant than most of their birch relatives, making them a good choice in many parts of the southern U.S.
Can river birch trees grow in water?
In nature, you will most likely find a river birch tree growing near water. Because of its affinity for wet, heavy soil, planting a river birch tree can fill in spaces where nothing else seems to grow. If you have water on your property, consider lining it with river birch trees.
How to control leafminers on birch trees?
Spraying trees can help to control this pest in a pinch, but the best method to control leafminers is to perform a soil injection in the spring as well. This will help the leaves on Birch trees to not get that ugly, tunneled appearance.
What is the pest that eats birch trees?
Bonus – Spotted Lanternfly. This invasive pest from Southeast Asia acts like a mosquito for your trees. It sucks the sap from the tree, creating wounds in the bark. This can impact the internal “pressure” in the tree (like your blood pressure), and hurt your birch’s long-term health.
What types of Birch are most common?
The standard, European White Birch that was commonly used decades ago, is now difficult to find. Landscapers have moved to using River Birches because of better resistance to certain insect problems. The River Birch appears very similar to the White Birch varieties, with the main distinction being the color of the bark. River Birch have a tan bark with subtle orange highlights versus the white and grays of the White Birch.
What is the color of birch trees?
Birch trees are beautiful. They provide beautiful, green leaves during most of the year and vibrant yellow color in the Fall. As they age, their bark exfoliates, even providing interest in the landscape in the Winter. There are some pests that feed on birch; you should keep your eyes peeled.
What do aphids eat?
There are many species of aphids that will feed on all sorts of trees, shrubs, and flowers in your landscape. These small insects often target new leaf and shoot growth, piercing plant tissues and sucking vital nutrients out of the plant. Their excrement is often sticky and will be a good medium for growing mold that can block sunlight from plant cells and also will attract all sorts of ants and bees. These pests can be easily controlled by spraying with insecticidal soaps, horticultural oil, and/or insecticides.
Do birch trees need water?
Also keep in mind that a Birch tree’s natural habitat is near a body of water, so these trees won’t take very kindly to drought situations, and will drop a lot of leaves and become stressed if not regularly watered in the hot months of summer.
Can birch trees be damaged by wood borers?
It’s very common to see a Birch tree that has been stressed for a number of years be finished off by Bronze Birch Borers. Performing an annual soil injection of insecticide will help to greatly reduce borer damage. Just remember, borers loved stressed trees. Keep your tree healthy all-around and that will also help.
