Questions tagged [maple]

Common name for Acer trees, famous for syrup produced from their sap.

Maple is the common name for the genus Acer s (and ). They are members of the sub-family Hippocastanaceae.

The genus contains about 129 species. Most are native to Asia, although some are native to Europe, North Africa, and North America. Only Acer laurinum is native to the southern hemisphere.

Most Acer are deciduous although a few Mediterranean and Asian species are evergreen.

Classic Acer leaves have a veined, lobed palmate shape; and are arranged on opposite sides of the stem. Seeds are known as "keys" and are attached to a flattened wing of papery tissue. This wing causes a falling seed to spin and to travel long distances in the wind. These characteristic seeds have various common names including "whirlybirds" and "helicopters".

In horticulture, Acers are typically grown as ornamental trees. They are typically fast growing and cold tolerant. A number of Asian varieties are also popular choices for .

Commercially, Acer saccharum is grown for maple syrup which is produced by boiling the tree's sap. Some Acer trees are also grown for timber - it is particularly popular for bowling pins, bowling alley lanes, and baseball bats. Acer woods also tend to carry sound well, making it a popular choice in many musical instruments.

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Osakazuki maple propagation

I have this maple and wondering if I can propagate easily from it. How good are this maples at air layers and rooting hardwood/softwood cuttings? Generally speaking, would these species yield better results with the first year, second year,…
JonathanC
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Yellowing branches in otherwise thriving potted Japanese maple

my potted Japanese maple has some yellow twigs with no or dead leaves. The rest of the tree is thriving. What is the issue that's causing the yellow branches? Should I prune them asap as I see them? It's spring here in Australia, by the way. Here…
MapleCarer
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Immediately browned leaves on coral bark maple

Four months ago I transplanted two young maple trees, a coral bark and a Japanese, from nursery pots to larger pots. I went on vacation and the automatic irrigation did not trigger. Both scorched, which is something I’m unfortunately familiar with.…
emsoff
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Killing off Striped Maples

Striped Maple is a non-native plant in our area and is crowding out native plants. It has started becoming a problem in my 10 acre forest area. I am trying to figure out the least invasive way to kill it off. I would prefer one that does not…
Bookaholic
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Why is my Acer drooping?

We’ve had an acer for almost 4 years, reasonably well established we thought. Last November we had the acer pruned to improve the shape a little. All the new growth this year is wilting. See pictures, is this common after pruning or something we…
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Have we killed our new acer palmatum Taylor?

Acer in large pot Brought a young tree last month from a specialist supplier. Repotted it into the larger intended permanent container adding a mixture of multipurpose and ericaceous compost, with shingle at the bottom to aid drainage. At first all…
NikkiO
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Aphid or mites on Japanese maple? (Acer plamatum katsura)

I have noticed this morning that my potted Acer tree is covered in what look to be black/brown aphids? I am in the North West England and we have recently had very wet and windy weather and wondering if the aphids have just boomed beasue of…
QPaps
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How should I diagnose leaf problems on these bonsai?

I have two informal maple bonsai (i.e., seedlings that I dug up from the garden and potted), both of which have some browning on their leaves: Preliminary research indicates that this could be because of overwatering, underwatering, insects,…
crmdgn
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What is wrong with my acer palmatum? What should I do?

I have recently purchased an acer palmatum and everything looked ok at first. However, in the last few days, some of the leaves on the top and bottom have started to dry and some have fallen. I have been watering it regularly as the land has seemed…
maria
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What can I do for an Acer garnet's leaves looking dull and dry

Hi I'm a bit worried about my Acer garnet. I bought it in March and it was planted in a new garden along with another Acer palmatum. The Covid virus stopped all work on the new garden so although it was watered little else was done . Now the weather…
Brenda
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My acer has started to wilt, after a period of strong growth

My 4 year old acer has suddenly started to wilt after a strong bloom. It has been relatively warm for this time of year (15c/59f) and has recently had a new layer of multi purpose compost added to the top layer of the soil, followed by a good amount…
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Silver maple peeling bark

Should i do anything. This tree is growing real fast . Just noticed peeling in spring. i thought it might just be shedding but no new bark as of this fall.
c polar
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Can a Maple tree be pruned to grow tall and narrow?

I have a maple tree that's poorly placed. Maples grow too wide and it's starting to crowd the house and other plants. A tree that grows tall and narrow would have been a better choice. But before I spend the time and money moving it or tearing it…
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My acer is sick and it’s getting worse

My acer branches are starting to die back and the leaves are falling off . It’s in a sheltered corner and it doesn’t get the full sun . I planted it in ericaceous soil and water it once a week but more if the soil dries out . It’s getting worse as…
Paul73
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Japanese Acer tree, roots have grown through bottom of pot

I have a Japanese Acer tree in a pot. The roots have grown through the bottom of the pot and into the ground. I don't think they can have gone deep as under the pot is gravel and then weed control fabric I think I need to repot the tree but don't…
ERH
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