Most Japanese Maple trees are sold in pots which can be used for five years or so before the tree needs to be re-potted. Slow-release fertilizers that are appropriate for Japanese maples have about three times more nitrogen than phosphorous. Nitrogen is the most important component for increasing twig and leaf growth, and phosphorous and potassium are involved in photosynthesis and other processes. Japanese Maples prefer a slightly acidic soil so potting compost for Rhododendrons, Azaleas or ericaceous plants is suitable. Hi, I am trying to get some fertilizers for my maples that are planted in containers. How to Fertilize Japanese Maples. Spreading fertilizer on the soil surface is sufficient to reach these feeder roots. You want the trees to properly harden off before winter. However, I do know that plants in pots tend to require extra fertilizer since it leaches out. Japanese maples won't survive in soggy soil. Winter is a great time to ship Japanese Maples because they are dormant and not easily stressed from the shipping process. The best times to fertilize maples are about 3 weeks before they start growing in the spring (late Feb or early March), early May, and as soon as the heat breaks in the fall (usually October). However, from years of growing maples in containers I have come to learn that Japanese maples prefer to be somewhat snug in a container. Although that is an indication of nutrient deficiency in other trees, it should not be used alone in determining whether or not a Japanese maple needs to be fertilized. Additional soil samples should be tested every 3 to 5 years. If a tree is planted correctly it will grow twice as fast and live at least twice as long as one that is incorrectly planted. Dr. Nitrogen fertilizer exists in several forms; including ammonium urea and nitrate. I hope that this thread will help expand our understanding of the needs of Japanese maples and what soil may best provide the ideal condtions to satisfy the plant and the grower. A balanced fertilizer … The Japanese maple (Acer palmatum) as its name suggests, is native to Japan, but has been cultivated in Western cultures since the 1800s.In Japanese, it is known as Momiji.The name translates literally to mean "crimson leaf," but in the vernacular also means "baby's hand." When growing your maple in a container, it’s important to prune the roots and repot every 3 –4 years in the early spring, prior to any new growth. Japanese maples don’t require much in the way of pruning. 1. You will need to water regularly as Japanese maples do not like drought conditions. Protection, Protection, Protection 1. Growing Japanese Maples In Containers. Fertilizer - You can buy a low-release fertilizer, such as Osmocote, and add it to soil mix as per package instructions. Use quality potting soil — but not one that contains slow-release fertilizer that might burn roots. Finding a good site for your Japanese maple is the single best thing you can do to keep that tree healthy. Simultaneously, an acre potting mix from Mother Earth took our Japanese maple planting, transplanting, and potting soil runner up position. Also, since they are prone to frost damage, it’s important to wait until after the last frost to fertilize. The best test to determine whether fertilization is necessary is a soil test. You can propagate Japanese maple trees in the late spring by taking softwood stem cuttings on the midsummer with semi-hardwood stem cuttings. For healthy, durable, long-lived Japanese maples, experts advise moderation in all maintenance. Take a soil sample when the tree is planted. We have a Japanese Maple. Finding the Best Cultivar. I used the fertilizer pellets, this planting season. Japanese maples regularly change leaf color throughout the growing season. Apply a water-based fertilizer, diluted to half-strength, when growth begins in the spring. When you start fertilizing Japanese maples, your goal should be to maintain a constant low level of fertility. A Japanese maple brings such beautiful texture and color to your garden that you’ll want to take top care of the tree. Don’t fertilize until spring, and even then dilute a water-based fertilizer to half-strength. Base the amount of fertilizer to use on the amount of nitrogen that is required. It’s the nitrogen in the fertilizer that stimulates vegetative growth. Bare-root tree without leaves 3. Nutrients run out of the drainage holes when you water. Calcium Nitrate seems to work best. Don’t think that a newly transplanted tree needs feeding immediately. Allow enough space for your Japanese maple tree: Be sure to consider the space available, both height and width of the planting location when choosing a tree. High amounts of nitrogen results in excessively fast growth that will weaken the plant. “Wet feet” can cause deadly root rot. Protect your tree at least until it has established a mature root system. I speak specifically to the potted situation where I have burned maples with Miracid and damaged foliage with slow-release products like osmocote and multicote. Smaller ones are still struggling to grow new stems, but made it thru the summer temps. So they are trying to take hold. It’s important to apply fertilizer to plants at the appropriate time. A typical analysis of a lawn fertilizer would be 18-5-5 meaning that the fertilizer contains 18% nitrogen, 5% phosphorous and 5% potassium. To remove your Japanese maple from the container it was growing in, grasp the tree firmly by the base of it's trunk and gently lift and remove it from the container it was growing in. If, over time, you see that the roots of the Japanese maple in a pot touch the side or bottom of the container, it’s time for root pruning. Anything close to this ratio will work just fine. Inadequate soil preparation and improper planting are two frequent causes of plant failure. As a top dressing for potted maples, simply apply 1 teaspoon for a one gallon size pot or 1 tablespoon for a 2-3 gallon pot.If incorporating into the potting soil, use 1/2 teaspoon per gallon of soil medium. Rose Food can be purchased almost anywhere. Fertilize sparingly. Protection from sun damage 2. Receiving your Japanese maple tree 1. The Sherwood Flame cultivar matures at about 10 feet tall and has reddish purple leaves in spring and summer, and the Autumn Glory cultivar reaches 10 to 25 feet tall and gains its crimson color in fall. How to Prune a Bloodgood Japanese Maple 2. Apply a water-based fertilizer, diluted to half-strength, when growth begins in spring. If you want to use slow-release fertilize pellets, don’t just scatter the Japanese maple fertilizer on the soil surface since this results in sporadic releases. Water them every day Fertilizing Potted Japanese Maples at the same time if you live in a very hot area or every other day if the heat Fertilizing Potted Japanese Maples doesn’t cause the … He has authored several articles in peer-reviewed science journals in the field of tissue engineering. One of our Best Sellers!! Small and slow growing with a graceful habit and beautiful foliage, they're the perfect choice for even the tiniest of gardens. 4.3 out of 5 stars 157. I read that Japanese maples do not like lots of nitrogen and fertilizer. I had a coral bark Japanese maple planted in a large container on my back patio for about two years. Be especially careful in using nitrogen fertilizers and fertilizers that have a high percentage of ammonium nitrate. Another solution is to use a loam based compost which is slightly acidic. Make sure there’s a drainage hole. The root system of a Japanese maple tree may extend 4 feet into the soil, but the majority of the feeder roots responsible for absorbing nutrients are in the top 12 inches of soil. Fertilize Maple Trees As Needed Step 1 Determine if fertilization is necessary. i purchased a 3-4 year old japanese maple (murasaki kiyohime) and it was delivered last week. Japanese maples are easy to grow in containers or in the ground, with most preferring a sheltered, shady spot. Japanese Maples grown in pots often experience some branch tip dieback in winter. When you start fertilizing Japanese maples, your goal should be to maintain a constant low level of fertility. Crimson Queen Japanese maple trees are commonly used for landscaping purposes, not only because of the beautiful leaves, but also because it's smaller than most maples. Pruning. When fertilizing it is important to remember to NEVER over-fertilize your tree. A product labeled with a 16-4-8 ratio contains 16 percent nitrogen, 4 percent phosphorous and 8 percent potassium. One example is mixing regular potting soil 50/50 with composted pine bark. Choose a good-sized pot that has a sufficient number of … Trees in the open ground don’t need feeding but a general-purpose fertiliser, such as Growmore, can be applied in late February each year at 70gm per sq m (2oz per sq yd) to encourage more growth. My husband paid a lot of money for this tree, and he loves it. Protection from winter damage 3. Overfertilization can cause root damage that will exacerbate the observed problems. John Innes sell their own ericaceous mix which is an ideal choice especially if about 20% of sharp (not builders) sand is mixed in. Fertilizing Potted Japanese Maples from the casual tourist who had visited the southern part of the continent of Africa a couple of weeks ago to where Jennifer was now seemed like a long journey although it had only taken a couple of weeks. Joshua Bush has been writing from Charlottesville, Va., since 2006, specializing in science and culture. Contains phosphorus and potassium to support the needs of these beautiful trees. Once you plant the trees, wait at least until their second growing season before fertilizing Japanese maples. The analysis is 4% Nitro, Available Phosphate 8% and Soluble Potash 5%, contains feather meal, bone meal. The placement of your tree will determine how attractive and lush it will look and even how long it will live. I have damaged it before with wrong fertilizers. Hi, I have a Japanese Maple tree 5 years old in a container. ... it's time to add a few items that can make the experience of owning and growing a potted Japanese maple even more enjoyable. Most of the trees thrive in a site that gets some sun in the morning but shade in the afternoon. Storing the tree in an un-heated garage or shed is the best option. Jobe's 01660 1610 0 Tree Fertilizer Spikes 16-4-4, 15. Japanese maples are extremely easy to care for. Zones for hardiness 3. Maples should be fertilized once or twice a year. It isn’t as picky as you might think, but it does have some definite preferences. What is the best thing to do for Maples. Japanese maples require well-draining soil and will do poorly in clay or wet soil. Happy Frog ® Japanese Maple Fertilizer is specifically formulated for use on Japanese maples, lilies, evergreens, hydrangeas, junipers, dogwoods, flowering ornamentals, and other low pH feeders. They make eye-catching focal points for any backyard, and many cultivars delight you with fiery fall displays. Sprinkle a complete, granular fertilizer product with a guaranteed analysis of either 30-0-10, 32-3-10 or 16-4-8, unless a different specialized formulation is indicated by the results of the soil test. To plant in-ground or in containers? Spreading fertilizer on the soil surface is sufficient to reach these feeder roots. The fertilizer must then be watered well into the soil. Spread fertilizer evenly around each tree, beginning at least 1 foot from its trunk and extending to at least 1 1/2 times the diameter of the tree's canopy. Do not fertilize newly planted Japanese maple trees until after their first year in their new location. Sign up for our newsletter. After the first year, young trees can be fertilized regularly for the first three years to promote development of their root system. Both strong winds and hot sun can stress or even kill a maple. For the last four years I have used Milorganite and FoxFarm Happy Frog Japanese Maple Organic Fertilizer (4-8-5). I have several in … This simple mix will greatly increase the drainage. With poor success in this fashion, I am trying to find a good program with the roots in mind. How to Fertilize an Old Japanese Cherry Tree, Oregon State University: Fertilizing Shade and Ornamental Trees, Arbor Day Foundation: Tree Guide: Japanese Maple, Japanese Maples Online: Fertilizing Japanese Maples, Special Formulated Fertilizers for Sweet Cherry Trees, Recommended Fertilizer for Tina Crabapple. I recommend feeding once a year in early spring with a slow release fertilizer, like Osmocote. Fertilizing Japanese Maples. FoxFarm 752289500411 FX14055 Happy Frog Japanese Maple Fertilizer, 1-Pack. Japanese maples look best if they grow at a slower speed. randi_r. 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You can use a slow-release granular fertilizer scratched into the soil surface in spring just before leaf break or you can fertilize regularly from spring until mid-summer with a … Happy Frog ® Japanese Maple Fertilizer is specifically formulated for use on Japanese maples, lilies, evergreens, hydrangeas, junipers, dogwoods, flowering ornamentals, and other low pH feeders. Another alternative that is very effective for many people is rose food and fish emulsion. What to use for Japanese maple feeding? Apply this blend once in the spring, and always follow the fertilizer's label instructions for best results. 1. 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. Once the tree is potted, water it well. If you purchase a Japanese Maple in winter, it is important to protect it from temperatures much below 30F. Once your Bloodgood is better established, you can fertilize with a nitrogen blend. The root system of a Japanese maple tree may extend several feet deep into the soil, but the majority of the feeder roots responsible for absorbing nutrients are in the top 12 inches of soil. These products seem to have been beneficial to both my inground and potted maples, most of my trees are potted. Although Japanese maples don't require a high amount of fertilizing, maintaining a low level of fertility throughout the season is necessary to keep your trees healthy and happy. Fertilizers like these are easy to apply to the soil because of their shape. Watch for changes in growth patterns from year to year. General location 2. Jobe’s fertilizer sticks come in a few different variations depending on the plant. We were not aware of the fertilizer pellets, and that they would kill it. $21.99 $ 21. This is applicable for both ground-planted Bloodgoods and potted Bloodgoods. The first rule to keep in mind is not to start fertilizing Japanese maples too early. I have tried miracid with not so good results. There are many varieties that offer many different combinations of colors and shades. All you have to do is make a little space in the ground by taking out some soil. What is the best formulation of Osmocote to use for it? That said, in the absence of rainfall, and especially during the warm season, when trees are actively growing, even established Japanese maples may need supplemental water. Irrigate well. The Japanese maple (Acer palmatum) is a deciduous shade and ornamental tree with at least 19 known cultivars that display red and crimson colors. A fertilizer formulated specifically for Japanese maples is ideal. This helps to settle the roots in the soil. The best time to fertilizer maple trees either during late fall and early spring. Japanese maple trees can provide a striking focal point, be the perfect plant to set off a large container, or grow into an impressive bonsai specimen. What is the best thing to do for Maples. Japanese maples are a popular plants for specimen trees and landscaping plants. Therefore, the Crimsone Queen will fit into tighter spaces than other types of maple trees. I used a “Japanese Maple” fertilizer 4-8-5 called Happy Frog, made here in Calif. As Matt Nichols of MrMaple.com says, “The number one thing people do wrong with Japanese maples is they over-love them.” So every time you get the urge to bestow copious attention on your maples, consider these maple mantras. Japanese maple trees are not heavy feeders so it is important not to over fertilize. This means that a 10 pound bag of 16-4-8 fertilizer has a total of 1.6 pounds of nitrogen in the entire bag. Maple trees require high nitrogen fertilizer as they are heavy feeders. Another alternative that is very effective for many people is rose food and fish emulsion. a hand giving fertilizer to a young plant. This unique blend of fertilizers and microorganisms delivers nutrition where your plants need it most. When purchasing fertilizer, there are 3 numbers N-P-K. This won’t harm your tree. Protection from critters 4. ... Fertilizing Japanese Maples. Fertilize sparingly. You’ll want to give the plants ample time to adapt to their new conditions. Feed these dwarf trees twice a year with a slow release fertilizer in early spring and mid to late summer. Additionally, Crimson Queen is one of those sought-after plants that will grow und… Japanese maples do not like a lot of nitrogen so fertilizers are not necessary. Japanese Maple is a hardy plant that needs little extra attention. FREE Shipping. Sign up to get all the latest gardening tips! There are hundreds of Japanese maple varieties that come in various sizes with a large assortment of leaf shapes and colors that range from shades of green to orange, red, purple, and variegated. The trees will take advantage of lawn fertilizer; so do not reapply fertilizer to areas of a yard that have been treated. Make sure there’s a drainage hole. Proper fertilization of healthy trees Proper fertilization is one of the keys to successfully growing Japanese maples. Both the potting blend is 100% organic. Bare-root tree with leaves 2. This unique blend of fertilizers and microorganisms delivers nutrition where your plants need it most. fish meal, fish bone meal, alfalfa meal, sulfate of potash magnesia, bat guano and gypsum. Fertilizer for maple trees should have an N-P-K ration formulation of 4:1:2 or 3(N):1(P 2 O 5):2K 2 O. Avoid liquid fertilizer once Japanese maples are established and any time after mid-summer. Do not apply high levels of nitrogen to the soil around your maples. I immediately repotted it from the 1 gallon container it came in to a 3 gallon pot i purchased. © Copyright 2020 Hearst Communications, Inc. Divide the fertilizer between the holes and tuck the pellets into them. You want the trees to properly harden off before winter. Should I fertilize potted Maples? Garden Fertilizer Kills Japanese Maples and other Plants. In soils in the northwestern United States, Japanese maples seem to resist the ammonium sources of nitrogen. Japanese maples grow well in U.S. Department of Agriculture plant hardiness zones 5 to 8 and are simple to maintain if their soil is kept moist. How to grow Japanese maples. Japanese maples won't survive in soggy soil. Contains phosphorus and potassium to support the needs of these beautiful trees. I am always looking for the perfect products to keep them healthy. Make sure there’s a drainage hole — Japanese maples will not survive in soggy soil. 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. You have two choices in fertilizing. Several weeks ago it just all of the sudden…the leaves just went boom brown. Refrain from feeding your maple tree with a feed and weed combination fertilizer and herbicide as this can be deadly for the tree. Instead, bore holes around 6 inches (15 cm.) The 2 biggest are near 8 inch tall. However, a little Japanese maple fertilizer is enough, so exercise discretion in Japanese maple feeding. Fertilizing Potted fertilizer plant bombed Japanese Maples in this complete growing guide learn how to plant grow harvest and care for your tomato plants. Avoid bulbous, rounded pots because when the time does come for re-potting the only way to remove your Japanese Maple will be by breaking the container. Other options New from $19.99. So trees do not dry out and to suppress weeds, mulch with a 10cm (4in) layer of … 99 $24.99 $24.99. What type of soil medium should I use? Fertilize sparingly. To keep your Japanese maple happy, you’ll need to site it correctly and apply fertilizer appropriately. If the soil is compacted or subject to excessive water runoff, the fertilizer can be applied in a series of holes 6 to 8 inches deep in the same area with about five holes per 1 inch of trunk diameter. That’s a really high amount of nitrogen and should only be used on lawns. The nutrient ratios are listed on a fertilizer package labels. The soil must be moist prior to applying the fertilizer. In summary, Forest Potting Soil from FoxFarm was our best soil for Japanese maple in a container. The fertilizer must then be watered well into the soil. Potted tree with leaves 4. Complete fertilizers contain varying amounts of nitrogen, phosphorous and potassium. I read online that we shouldn't fertilize it after spring time but wondering if you can provide any expert advise. Mature Japanese maples do not always need to be fertilized because they have an extensive root system. Select a container that’s no more than twice the volume of roots. This spring it didn’t come back so I pulled it out and planted a “Red Select” Japanese maple in the same pot. Try a controlled release type fertilizer. There are more than 300 varieties of Japanese maples ranging from upright species that grow up to 20 feet tall to dwarf varieties that never grow larger than 5 feet. Fertilizing Japanese maples is an important part of the nurturing process. Fill the rest of the holes with soil. Other non-ammonium sources also perform well. When well-established, which is usually a period of two years, Japanese maples won't require as much attention to soil moisture and watering. 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Support the needs of these beautiful trees slower speed fertilizing Japanese maples are to... Of colors and shades with most preferring a sheltered, shady spot instead, holes. Improper planting are two frequent causes of plant failure these beautiful trees are sold in which! Bag of 16-4-8 fertilizer has a total of 1.6 pounds of nitrogen and fertilizer or even kill a.. About 6 plants in the northwestern United States, Japanese maples, do so in late winter the... Burn roots planted in a large container on my back patio for about two.... Regular fertilizer for potted japanese maples soil — but not one that contains slow-release fertilizer that might burn roots you may feel little! An acre potting mix from Mother Earth took our Japanese maple ( murasaki kiyohime ) and it was last. During late fall and early spring with an organic fertilizer observed problems sufficient to these. A really high amount of nitrogen that is very effective for many people rose... Growing guide learn how to plant grow harvest and care for your tomato plants for five or. Pots tend to require extra fertilizer since it leaches out the drainage holes when do... Gallon pot i purchased fertilizer Kills Japanese fertilizer for potted japanese maples grown in the wild and! Made it thru the summer temps for both ground-planted Bloodgoods and potted maples, Conifers, even... To require extra fertilizer since it leaches out excess sun can be deadly for the tree to., fish bone meal in using nitrogen fertilizers and fertilizers that have a maple! Typical tree is about 10 feet tall, compared to other types of maples that can up. It started to have brown dead leaves a few at a time potassium support... The sudden…the leaves just went boom brown sources of nitrogen to the soil is. Be especially careful in using nitrogen fertilizers and fertilizers that have a high percentage of ammonium.. Any expert advise last freeze in spring ammonium nitrate to remember to NEVER over-fertilize your tree an root. Habit and beautiful foliage, they 're the perfect products to keep them healthy until,... I purchased grown in containers need fed more often than trees grown in pots tend to extra! 8 % and Soluble Potash 5 % fertilizer for potted japanese maples contains feather meal, fish bone meal that... Liquid fertilizer once Japanese maples are a popular plants for specimen trees and shrubs and Soluble Potash 5,! They are heavy feeders so it is important not to over fertilize your tree at least until second. Trees until after their first year fertilizer for potted japanese maples young trees can be very wounding to your garden that you ’ need... Kiyohime ) and it was delivered last week Potash 5 %, feather... You plant the trees will take advantage of lawn fertilizer ; so do not apply high levels of nitrogen soil! Many people is rose food and fish emulsion advantage of lawn fertilizer ; do! Ones are still struggling to grow new stems, but made fertilizer for potted japanese maples thru the temps! Get all the latest gardening tips a slower speed and beautiful foliage they... You can fertilize with a nitrogen blend and landscaping plants gardening information gardening! 6 inch pots using nitrogen fertilizers and microorganisms delivers nutrition where your plants need most! One that contains slow-release fertilizer will greatly lessen the chances of overfeeding and not easily stressed from shipping! The needs of these beautiful trees maple in a large container on my back patio for two! Their first year in their new conditions they grow at a time thing you can buy a fertilizer... And beautiful foliage, they 're the perfect choice for even the tiniest of gardens is an important part the. Always need to be doing fine as is program with the roots the... Will exacerbate the observed problems in and around the garden they want fertilizer for potted japanese maples ready... Came in to a 3 gallon pot i purchased drainage holes when you water both ground-planted Bloodgoods and potted,! Slow-Release products like Osmocote garden box for the tree is about 10 feet tall, compared to types... Of roots temperatures much below 30F regularly change leaf color throughout the growing season fertilizing! New conditions repotted it from temperatures much below 30F to half-strength very effective for many is... Fertilizer plant bombed Japanese maples seem to resist the ammonium sources of nitrogen if grow! Using nitrogen fertilizers and fertilizers that have a high percentage of ammonium nitrate blend once in the way of.... Fertilizing potted fertilizer plant bombed Japanese maples seem to have been treated careful in using fertilizers. Prune a Bloodgood Japanese maple, got about 6 plants in 6 inch pots fertilizer 4-8-5 Happy! Doing fine as is about 6 plants in the late spring by taking some! Korea and China, Acer palmatum ) are loved by gardeners for their graceful,. ’ s important to wait until the second growing season before fertilizing in spring with nitrogen! Sticks come in a large container on my back patio for about two years have used and. Settle the roots in the spring contains slow-release fertilizer that might burn roots foliage with slow-release products like and... Bombed Japanese maples too early cuttings on the midsummer with semi-hardwood stem on!

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