In fact, most maples do not require any fertilizer for healthy growth. A small amount of organic slow release fertilizer in the spring would be much better for your plants. I have had real good success fertilizing in late April with Fox Farm Japanese Maple fertilizer 4-8-5 and Dr. Earth 5-5-5..
People also ask, what kind of fertilizer do Japanese maples need?
A general guideline to use for mature Japanese maple trees is 1/10 pound of nitrogen for every 1 inch of tree trunk diameter measured at 4 1/2 feet from the ground. If you fertilize other plants in the Japanese maple trees' area at the same time, use the guideline of 1/10 pound of nitrogen per 100 square feet.
Similarly, what is the best fertilizer for maple trees? Nitrogen is the most important fertilizer for maples. Product labels list the ratios of nutrients in a specific fertilizer. Examples of appropriate ratios of slow-release fertilizers for maple trees are 10-4-6 and 16-4-8. These numbers represent the percentage of nitrogen, phosphorous and potassium in the fertilizer.
Also asked, when should I fertilize my Japanese maple?
Tip 2 Fertilizing your Japanese maple with the proper type of fertilizer should be done either in late winter while the ground is still cold (frozen?), or after the last freeze in spring. I recommend using a slow or controlled release type fertilizer.
How do you take care of a Japanese maple tree?
Quick tips
- Keep plants moist and in the shade until planting.
- Soil preparation with organic matter is important, especially if the soil is heavy clay.
- Mulch with 6 inches after planting to reduce the need for frequent watering and protection of their shallow roots.
- Keep pruning of newly planted trees to a minimum.
Related Question Answers
Are coffee grounds good for Japanese maple?
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.Do Japanese maple trees need lots of water?
Water every 2-3 days for the first month. After that, a good watering once a week should be sufficient, but monitor it often as windy days can dry out soil quickly. If the tree is fall planted, water once a week when no rain or snow cover is provided. Tip 2 Always provide a layer of mulch around Japanese maple trees.When should a Japanese maple be pruned?
When to Prune Japanese Maple Trees The best time to trim most ornamental and fruit trees is during the winter months while they are dormant. 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.How do I keep my Japanese maple healthy?
Keep Japanese Maple Healthy in Summer - 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.
Should you stake a Japanese maple?
staking Japanese maples - Knowledgebase Question. I don't think it is necessary to stake a new tree unless it is in a windy place, or it is already leaning and you want to train it to grow straighter. Check the ties every few months to make sure they're not digging into the bark of the tree trunk.Why are my Japanese maple leaves turning green?
The variability of coloring may be attributed to the characteristics of the specific variety and its exposure to light conditions. They have the best red color in a spot that is as sunny as the tree can tolerate. This is the point just before the leaves scorch.Why are the leaves on my Japanese maple turning brown?
Usually brown spots appear because the leaves got wet when the sun was out and that can cause a small burn on a leaf with a droplet of water on the leaf. Brown edges can be a sign of a tree that de-hydrated. Now if all of the leaves on your Japanese maple are turning brown and falling off, you have a serious problem.Do Acers like bone meal?
With regard to feeding your plant I would use a general base fertiliser sprinkled around the base of the Acer in early Springtime - Fish Blood and Bone Meal or GrowMore are good established products to use. With your infected Acer you will need to cut out any diseased branches and stems.Can I plant a Japanese maple close to the house?
Plant such smaller-maturing cultivars no closer than 6 feet from a house's foundation, sidewalk or driveway. Larger, upright-growing Japanese maple cultivars must not be planted as close. Although the issue will not become apparent for 20 to 40 years, tall maples push branches and roots tightly against the house.How do you take care of a Japanese maple in the winter?
Winter Protection for Japanese Maples Potted plant roots freeze much faster than plants in the ground. Applying a thick layer of mulch – up to 4 inches – over the root area of the tree protects the roots from winter damage. Watering well before winter freeze is also a good way to help the tree survive the cold.Why is my red maple turning green?
Some maples leaf out in Spring with red leaves, turn green during Summer and then turn colors again in Fall. Red leaf maples can also turn green if given fertilizer high in nitrogen. Also, red leaf (and other types of) maples can turn green if not given enough sun.Are Japanese maples acid loving plants?
According to Colorado State University, most garden and landscape plants tolerate a pH up to 7.5 to 7.8, but acid-loving plants such as Japanese maples, blueberries, azaleas and rhododendrons need a more acidic soil.Which Japanese maple is the reddest?
Acer Palmatum Osakazuki gives the reddest colour of all the Acers. Hardy plants, Acer palmatum, Plants.How long does it take for a Japanese maple to grow?
Japanese maples generally grow at a rate of 12 to 24 inches per season. An average height is 10 to 15 feet in 15 years of growth, with much of their growth coming in earlier years. Most Japanese maples attain a mature height ranging from 10 to 25 feet.What do you feed Acers in pots?
Japanese maples are ideal plants for growing in containers. Plant in a John Innes No. 2 potting compost or John Innes Ericaceous with 25% added sharp sand, which gives good drainage. Keep the compost moist, but not soaking wet, and feed in spring and early summer with a slow-release fertiliser or liquid feed.What kind of potting soil does a Japanese maple need?
Standard potting soil is mostly peat moss with a bit of perlite and vermiculite, and is designed to hold moisture. These types of potting soils are perfect for most annuals but terrible for Japanese Maples. You can use regular potting soil if it is only around 30% of your mix.Why is Japanese maple dying?
If the leaves on the Japanese maple tree dry, curl or look scorched around the edges, it may not mean the tree is dying. It could indicate that the tree is not getting enough water. Check the top 1 to 2 inches of soil for moisture, and water the tree more often if necessary.Does Miracle Grow work on trees?
If you have a variety of trees and shrubs in your garden, you can use an all-purpose plant food like Miracle-Gro® Shake n Feed® Flowering Trees & Shrubs Plant Food, which will feed for up to 3 months. Miracle-Gro® also has tree spikes specially formulated for evergreens and fruit and citrus trees.How can I make my maple tree grow faster?
Fertilize the tree in the spring of the following growing season with a low-nitrogen, organic 4-8-5 fertilizer. Spread the fertilizer over the soil beneath the maple tree canopy drip line at a rate of 1/4 cup for each foot of height. Give it additional fertilizer each month from spring to fall. 
