![]() Do not liquid feed in late fall or early spring. Once you see good growth you can stop liquid feeding. Important Note: we only recommend using liquid type fertilizer like Miracle-Gro® on Japanese maples during the first summer, and only to help establish the tree. Follow recommended rates based on the tree size. Tree fertilizer spikes also work well and are easy to use. As the tree grows, the amount of fertilizer will need to be increased. Water around the tree and now the tree is fertilized for an entire year. Drop the fertilizer into the holes and fill the remainder of the holes with soil. Bore several holes around the tree and divide the proper amount of fertilizer recommended by the manufacturer by the number of holes. IMPORTANT: Scattering slow-release fertilizer on the top of the soil does not allow the fertilizer to maintain a constant moisture level inside the pellet, resulting in sporadic and possibly untimely releases. When using a slow-release pellet-type fertilizer, it is best to bore holes about 6 inches deep into the soil about half way between the main trunk and the drip line of the branches. I recommend using a slow or controlled release type fertilizer. 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. Weak branches can lead to damage if you are located where icing during winter is a problem. Applying high amounts of nitrogen will cause excessively fast growth that will weaken the plant. Japanese maples look best and develop thicker stems when allowed to grow at a slower speed. Avoid using high Nitrogen lawn fertilizer on Japanese maples. Applying high levels of nitrogen (N) is not recommended. Maintaining a constant low level of fertility will keep your trees healthy throughout the year. ![]() When first planting we recommend Bio-tone by espoma. Hardy in zones 5 to 8.Feeding your plants is probably the single most forgotten part of growing healthy long lasting plants. “Wolff” – A late budding variety that has deep purple leaves in the summer and brilliant red leaves in the fall. ![]() ![]() This tree has deep purple summer foliage that turns bright crimson in the fall. This tree has red leaves all summer and even redder leaves in the fall. “Bloodgood” – Only hardy to zone 6, so not recommended for containers in zone 7, but will do well in the ground. In the autumn they burst into an even brighter shade of red. “Sumi nagashi” – This tree has deep red to purple leaves all summer. “Waterfall” – A cultivar of Japanese maple that stays green throughout the summer but bursts into shades of orange in the fall. This list is by no means exhaustive, but here are a few good Japanese maple trees for zone 7: That means that zone 7 Japanese maples in containers should be hardy down to zone 5. If you’re planning on overwintering anything outdoors in a container, you should choose a plant rated for two whole hardiness zones colder. Since roots planted in a container are separated from the cold winter air by just a thin piece of plastic (or other material), it’s important to choose a variety that can take much colder temperatures. Since they’re so showy and some varieties stay very small, Japanese maples are popular container trees. This means that your options when selecting zone 7 Japanese maples are virtually limitless…as long as you’re planting them in the ground. Not all can tolerate zone 5 minimum temperatures, but basically all can survive a zone 7 winter. Growing Japanese Maples in Zone 7Īs a rule, Japanese maple trees are hardy in zones 5 through 9. Keep reading to learn more about growing Japanese maples in zone 7 gardens and how to select zone 7 Japanese maple varieties. Due to this, it’s important to make sure you have the right tree for your environment. They are something of an investment though. With dazzling autumn foliage and attractive summer foliage to match, these trees are always worth having around. Japanese maple trees are fabulous additions to the landscape.
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