- Keep them moist – don’t forget to keep the soil damp, with mulch and regular watering.
- Give them afternoon shade – when planting your tree, arrange for afternoon shade in summer.
- Choose a suitable variety – some forms resist burning better than others.
Japanese maple care is easy. Caring for Japanese maples in summer is mainly a matter of providing enough water to prevent stress. Water the tree deeply in the absence of rain. … Cut back on the amount of water in late summer to intensify the fall color.
Once established, Japanese maples can be considered a low-maintenance plant. They may require some structural pruning when they are young to improve their look and health, but should not warrant much additional trimming.
Japanese maple trees are often understory trees in their native habitats. Over-exposure to sun can result in brown leaves, a phenomenon also known as “leaf scorch.”1 A hot summer can leave even established specimens that are too exposed to sun with brown leaves, especially if other debilitating factors are present.
Soil and water are the two most important factors for maintaining healthy Japanese maples. … So maintain a humus-rich soil by applying coffee grounds. Coffee grounds are free at Starbucks. For a 4-foot-tall Japanese maple, I recommend applying 4 pounds of coffee grounds per tree per season.
Their undeniable beauty leads many people to want to plant them as a focal point or specimen tree, often in full sun. Unfortunately, many Japanese maples are less tolerant of full sun, developing leaf burn in the summer heat. … Avoid wetting the foliage in full sun when it’s hot as it can also cause leaf burn.
For Japanese maples, it is recommended to do structural pruning in the winter and wait until late spring, after the leaves come out, for fine pruning. Summer can also be a good time for removing larger branches and for removing dead, damaged, or diseased wood.
Japanese maples typically grow just one to two feet per year (which is why it might be wise to buy the largest one you can afford). That said, under the right conditions, they can live to be over one hundred years old.
- Deliver drainage. Japanese maples absolutely must have it. …
- Watch the water. Excessive water can be a death knell for maples. …
- Forego fertilizer. …
- Beware the weed eater. …
- Prune passively. …
Dappled or Afternoon Shade – A mature Japanese Maple thrives in full sun everywhere but the southernmost portions of its hardiness range, but is also happy with a bit more shade. It does need some sun for best foliage color, but the amount you give it can vary greatly.
Exposed tender new growth is susceptible to frost and freeze damage in spring. Therefore, cover a small Japanese maple overnight to shield it from excess cold. An old bed sheet or frost cloth can prevent brief subfreezing temperatures from killing the new foliage and stressing the tree.
Yes! Japanese maples are deciduous trees. During October and November maples provide a lovely show of fall color. Then in late November, or December, the leaves drop. … In the winter, branches of maples are clearly visible without the distraction (albeit a lovely one) of leaves.
Japanese maples lose their leaves every fall, so they will appear to be dead until spring when new growth appears. If the tree is still leafless in June after several weeks of spring, it is most likely dead and can be removed.
The reasons your Japanese maple is dying is most often because of fungal disease. Damp soil promotes the conditions for fungal diseases such as root rot which cause your Japanese maple to die. High wind, too much sun and not enough moisture in the soil can cause brown wilted foliage.
- Cut back the diseased and dying limbs to live wood, a main branch or the trunk of the tree.
- Do not pile excess soil over the root base of the tree because the roots should remain naturally close to the soil surface.
Epsom salts also appear to help Japanese maples struggling through the summer season. … A few tablespoons of Epsom salts to a gallon of water used as a drench helps reduce lime buildup and lowers alkalinity and the salt levels of our soil. Whatever you do, be sure to buy the cheap stuff.
Composting tea bags is a “green” method of disposal and terrific for the health of all your plants, providing organic matter to increase drainage while maintaining moisture, promoting earthworms, increasing oxygen levels, and maintaining soil structure for a more beautiful garden.
Japanese Maples are best transplanted when they’re dormant, which means fall. When digging up the tree, be careful of the roots. A rule of thumb is if the trunk is 2″ in diameter, dig at least 9″ from the truck all around.
Hardiness: While most Japanese maples are hardy in USDA Hardiness Zones 5 to 8, some are recommended only to Zone 6; Acer sieboldianum can take Zone 4. Protect all Japanese maples from the afternoon sun if located in Zone 8 and from bitter winds in Zone 4 and the northern sections of Zone 5.
‘Red Dragon’ (Acer palmatum dissectum ‘Red Dragon’) ‘Red Dragon’ is a small cultivar with striking reddish-purple foliage that transforms into bright crimson in the fall. This tree has an upright, pendulous growth habit and makes a spectacular mounding plant in any landscape.
Japanese Maples have a reputation for being difficult to grow, but while they have needs that need to be attended to for best growth and color, they are a tough and adaptable plant. There are more varieties than one could count, from dwarf maples for containers to upright trees worthy of a focal point in your garden.
Pruning Tips Prune the Japanese maple in nearly every season with a slight preference for winter and generally avoiding spring. Carefully follow the natural harmony of the growing pattern. Err on the side of making fewer cuts as opposed to more cuts. At the very least, remove all dead and brittle branches.
- Prune the tree in late spring. May to early June is the best time. …
- Determine what branches to prune. If your tree is young, do little pruning. …
- Prune away all dead branches. …
- Cut new shoots growing off the middle of existing branches. …
- Remove any branches that obstruct walking or driving under the tree.
This cultivar grows into a small, rounded, deciduous tree, typically 15-20 feet tall. It features purple-red flowers in spring, deep red-purple summer foliage, red samaras (dry fruit) in late summer, and good red-to-crimson fall color. It may also be grown as a multi-stemmed shrub.
Lack of water, sunburn, temperature stress, disease, or pests are the main causes of maple leaves curling, including Japanese maple. To fix leaf curl, water the maple when the surface is 1.5 to 2 inches dry, provide partial shade for Japanese maple. Also spray the leaves with Neem oil and fungicide.
Young plants are very prone to root rot and mildew due to excessive water. As long as the soil allows good drainage and is well aerated, overwatering Maples is usually not a concern.
Soil Preference The red maple grows in acidic, loamy, moist, rich, sandy, silty loam, well-drained and clay soils. It prefers wet soil conditions but has slight drought tolerance.
The Japanese maples are mostly varieties of Acer palmatum. Contrary to popular belief they grow on most soils that are not too dry. They prefer neutral to acid conditions and dislike extremely alkaline soil and shallow chalk.
- Protective Planting. When planting a Japanese Maple, choose a location that receives morning sun only and has some protection from strong winds. …
- Save Moisture With Mulch. Mulching will help to retain moisture and cool root zones to protect these trees. …
- Anti-Transpirant Sprays.
Make the mulch ring with dead leaves, bark, wood chips or compost. This keeps freeze damage to a minimum. 5) Wrap Japanese maples with burlap (if you experience heavy snows or prevailing winter winds) for at least the first three years. Snow falling in the colder climates can both protect and endanger plants.
Japanese maples are particularly susceptible to strong, drying winds. … Strong wind, particularly when accompanied by hot weather, may cause scorched areas to appear between leaf veins. Planting Japanese maples on the east side of the house will generally provide enough protection to keep the trees from damage.
However, these beautiful trees are sensitive to the cold, so protection is necessary. You may wrap the burlap around the tree any time now and do not be in a hurry to unwrap it in the spring, as it tends to leaf out early and may suffer from the frost at that time.
In spring the fine dissected foliage displays many subtle tones of soft red, green, silver and even pink. … As the leaf color slowly changes to reddish green in summer this vigorous maple will again produce new foliage offering spring like growth in June and early fall.
Maples that are declining may have paler, smaller and few leaves than in previous years. Maple dieback includes symptoms such as dead twigs or branch tips and dead areas in the canopy. Leaves that change to fall colors before the end of summer are a sure indication of decline.
Japanese Red MapleAcer palmatum var. The Japanese red maple grows to a height of 15–25′ and a spread of around 20′ at maturity.