© Copyright 2020 Hearst Communications, Inc. Place your potted Japanese maple in an area that receives partial shade to avoid overheating. Outside of U.S. Department of Agriculture plant hardiness zones 5 through 9, incorporating container-grown specimens around a pond, walkway or patio will add flair to an otherwise bland area. Though some varieties can handle full sun. Slide the tree's root ball out of the pot. Continue to add layers of soil around the root ball, tamping each layer down firmly to provide stability to the tree. Inadequate soil preparation and improper planting are two frequent causes of plant failure. A mix of these ingredients will yield a very good planting mix. Japanese maples are easy to grow in containers or in the ground, with most preferring a sheltered, shady spot. MULCH with 70mm of well-rotted organic mulch, keeping it at least 100mm clear of the trunk. Use a trowel to stir the materials together and break up any large chunks. CARE for Japanese maples by watering regularly for the first three years. These should be discarded. 2.5' tall). Japanese Maples prefer a slightly acidic soil so potting compost for Rhododendrons, Azaleas or ericaceous plants is suitable. WHEN AND HOW TO WATER JAPANESE MAPLES For the first two years hand watering may be required if the conditions are dry. A well drained medium will result in a well-aerated mix, which is so important with woody ornamentals, and especially important with Japanese Maples. First select a new container as described above. Select a container with drainage holes in the bottom and a light color to prevent the root ball from overheating. Allow it to drain completely, then water one more time. The best time to repot an acer is when it is dormant. Always use ericaceous compost for acers; Whether you call them maples or acers, you need to make sure your soil is right before you plant. Red maple trees (Acer rubrum) emblazon fall landscapes with their fiery foliage. It is always tempting to give your new tree lots of fertilizer but with Japanese Maples, less is more. Although a fresh green shoot growing below the graft union may look pretty, it will be extremely vigorous and eventually take over the tree. Storing the tree in an un-heated garage or shed is the best option. The combo of potting soil and bark/perlite pretty closely approximates the gritty mix referred to above without having to go through the effort of finding all the individual ingredients, which sounds like it could be tricky in your location. When planting your new tree in the ground, it is important to choose the correct location. * Do not use freshly milled (green) bark products in your mix. Do you know of anybody in the area that sells bulk potting soil. The soil should be very low in soluble salts and should have a Ph between 5.5 and 6.5. Many Japanese Maples prefer some shade. Over-watering a young Japanese Maple is the fastest way to kill it, especially during the cooler months. Good soil drainage is critical and proper watering is especially crucial when young trees are working to establish a root system during the first two years after planting. Water when the soil is dry to a depth of 1 to 2 inches. If you search the internet about the best soil for potted Japanese Maples, you will see a lot of different opinions but one thing they will have in common is a soil that is well-drained. Fill the new container one-fourth full with the growing medium. I'm thinking of equal parts pine bark, Turface, crushed granite, and potting soil, ie … First and foremost, know that Japanese maples require a moist but well-drained soil. How to grow Japanese maples. Mulch will protect the root system by holding moisture in the soil and also provide nutrients as it decomposes. When growing Japanese Maples in pots, the correct soil is key. 2. This unique blend of fertilizers and microorganisms delivers nutrition where your plants need it most. Make two or three cuts, 4 inches deep, into the bottom of the root ball with a knife. * Do not use a container without drainage holes. Try not to use any potting soils with added fertilizers or wetting agents, and never use topsoil or soil from your garden bed- it will be too "heavy" for your maple in a pot. Remember that most of the roots will spread out horizontally from the tree. (soil from your back yard, bagged top soil, bagged compost). If you can't mix, use straight Edna's. Winter is a great time to ship Japanese Maples because they are dormant and not easily stressed from the shipping process. Just snip off the dead portion of the branch with pruners. Place the Japanese maple into the center of the new container with the roots fanned out at the bottom. Japanese Maples grown in pots often experience some branch tip dieback in winter. Bulk potting soil is available, usually around $55 a yard, but worth it. Japanese maples will not tolerate wet soil and will fail in a matter of months, if not weeks, if you plant them in an area where their roots are wet all the time. The "soil" you need is half John Innes Number 3 and half ericaceous compost. How to Fertilize Japanese Maples. Reviews: 7 Best Fertilizer For Maple Trees In 2020 Reviewed. This won’t harm your tree. It is important to know where the graft union is on your tree and promptly remove any new growth below the graft union. The best time of year to re-plant a Japanese Maple tree is in late winter to early spring. Apply a water-based fertilizer, diluted to half-strength, when growth begins in spring. Using a well drained soil medium is by far the MOST important factor when growing Japanese Maple in pots. These are great additives to improve drainage. You can purchase our premium Japanese Maple potting soil here. For the best growth and performance, Japanese maples prefer a rich soil high in organic materials but drains well. If you search the internet about the best soil for potted Japanese Maples, you will see a lot of different opinions but one thing they will have in common is a soil that is well-drained. It is not intended to be used when you plant the tree. If you purchase a Japanese Maple in winter, it is important to protect it from temperatures much below 30F. Be sure to raise the soil level a couple inches so the new maple is planted on a slight mound. * Do not continuously water a freshly planted Japanese Maple. We are here to help. “Japanese maples” are a whole field (or forest) of horticulture in themselves. The best time to prune a Japanese Maple is in late summer. This time of year is best because there is much less sap flow and potential stress. A wide, shallow hole is better than a narrow, deep one. This can result in severe disease problems. * Do not use heavy soils in your potting mix. A low dose of time-release fertilizer in spring or early summer is also very beneficial. Use a trowel to stir the materials together and break up any large chunks. While space and light are external factors, soil affects the plant internally. Here’s the process: Step 1: Dig a wide hole to break up the soil. Below find our detailed maple fertilizer reviews and buyers guide. Japanese maples will benefit greatly from being planted a few inches above the surrounding soil in a 50/50 mix of organic matter (pine bark mulch, azalea mix, landscaper’s mix, etc) and your native soil. The purpose of this is to prevent drying out during shipping. Planting and growing your Japanese maple in soil that is properly prepared is necessary for its success. Do not apply high levels of nitrogen to the soil around your maples. * Do not bottom water the soil by leaving the whole pot submerged in water. Nutrient Retention. Mix one part well-draining potting soil with one part compost to formulate the best soil for a Japanese maple in a container. The soil anchors and supports the tree while it grows in the container. Extra care will be needed to make sure the roots do not dry out during the first summer after you have planted it. Learn how to plant and care for Japeanse maples. This will allow the good drainage that is so important to Japanese Maples. Few plants can equal the beauty and command of a Japanese Maple in the autumn landscape. The problem is I'm not really sure what the best kind of soil… Japanese maples thrive on moist but fast-draining soils with high air content. One example is mixing regular potting soil 50/50 with composted pine bark. The best time of year to repot Japanese maple is at the beginning or end of the dormant season. Small and slow growing with a graceful habit and beautiful foliage, they're the perfect choice for even the tiniest of gardens. This type of fertilizer provides too much initial feed. The Best Japanese Maples for Landscapes. Gardening is all about getting the right things for your plants and most importantly the best potting soil mix. It is also very important to mulch around the newly planted tree. Spread the bottom of the root ball apart gently to spread out the roots. One example is mixing regular potting soil 50/50 with composted pine bark. 3. The soil mix should hold water evenly throughout the container and allow for goo drainage. Avoid using liquid fertilizer. I got three tiny Japanese maples (10-12") and I treated myself by getting three super huge pots to plant them in and let them grow (maybe 2' diameter. Japanese Maples prefer more of a continuous low dose of feed during spring and summer. I can't wait to to see the little guys grow to fill their new homes! Repot your root-bound tree in November or February. Then on another page, i read that they do not like Peat Moss based Potting Soil which is actually lightly aciding (pH=5.8). This simple mix will greatly increase the drainage. Contains phosphorus and potassium to support the needs of these beautiful trees. If you have further questions about Japanese Maple care, please use the contact us form. This moderate fertilization practice will keep your maples healthy. Although they like moisture, they will not tolerate wet feet, planted in soils that have a tendency to remain soggy. Acidic Soil, Mulch & Red Maples. If you have clay soil, remove as much of it as possible. This is because the roots are free to grow horizontally and find air pockets and nutrients. More Japanese die from too much water than from too little water. North Carolina Extension Gardener Plant Toolbox: Acer Palmatum, How to Plant Coral Bark Maple in a Container, Care Instructions for the Adansonia Digitata Bonsai Tree. Heavier pruning can be done every 2-4 years which includes general shaping and removing cross branches. Japanese maples must go dormant over winter, so they have a hard time surviving in climates where it doesn’t get cold enough. Be the first to know about our new products, updated availability, and sale items. What do most growers around here use as a potting mix. To start one or more potted Japanese maples, you need a large container, good potting soil and a partially sunny location for it. Fertilize sparingly. Fertilizing in late summer or fall is never a good idea. Fertilize lightly with a low-nitrogen fertilizer formulated for Japanese maples in early spring before the new leaves appear. Do not be tempted to store the maple in your house. It's also important to remember that variegated type Japanese Maples can temporarily or permanently lose their variegation when given too much fertilizer. End the planting process when the new soil's surface is even with the top of the root ball. 1.Jobe’s Fertilizer Spikes For Japanese Maple Trees 16 … Tamp the soil down firmly. When you start fertilizing Japanese maples, your goal should be to maintain a constant low level of fertility. Japanese Maple Potting Soil Mix. The best time to fertilizer maple trees either during late fall and early spring. We recommend one of our high quality potting soils such as “Edna’s Best Potting Soil.” Do not use soil from your garden; it doesn’t drain well and may introduce disease. DO NOT prune your Japanese Maple in winter. If your yard is made of of heavy clay soil, the ideal thing to do is build a raised planting bed by bringing in good … An un-heated garage or shed is the fastest way to kill it, during... Maples will not survive in soggy soil the little guys grow to their. Whole field ( or Forest ) of horticulture in themselves from temperatures below! 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2020 best organic potting soil for japanese maples