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- Q.What Are The Signs Of Eucalyptus Trees Becoming Stressed And Diseased? - Hi there! I have three eucalyptus trees that are fully mature and are growing into each other. There are two ...
- Q.Common Eucalyptus Problems - Large Eucalyptus tree which is continuously losing its leaves and branches almost touching the ground. Height of tree much taller ...
- Q.Why Is Half Of My Glacier Eucalyptus Plant ..the Leaves Are Drying Up And Dropping..and The Other Half Is Fine? - do I need to cut the dry part off?
- Q.We Bought And Planted A Tree Which Has Grown Well But The Smell Off The Leaves Has Gone And The Leaves Have Changed - We bought and planted a tree 7 years ago , it’s grown well but the leaves have changed and there ...
- Q.Eucalyptis - I would like to know why your website gives gardeners tips on the care of eucalptis without acknowledging that this ...
- Q.Silver Dollar Eucalyptus Tree - How well will a silver dollar Eucalyptus tree do in Central Pennsylvania?
Asked by
Anonymous on
June 20, 2024Q.What Are The Signs Of Eucalyptus Trees Becoming Stressed And Diseased?
Hi there! I have three eucalyptus trees that are fully mature and are growing into each other. There are two trees budding up against each other and one of the trees is leaning against the house a little from it's top branches. The other tree looks like it has dark brown spots or blisters on its trunk. The other two have bark brownish black bark underneath it's white tree bark. How can I tell if they are cowarding each other to the point that they are becoming stressed and possibly diseased?
Answered by
GKH_Susan on
June 22, 2024
Certified ExpertA.The one closest to the house is too close and could cause some problems with plumbing, not to mention it could topple in a windstorm. You may consider removing it. Plus eucalyptus trees are fire hazards.
The dark brown beneath the wood could be a sign of Phytophthora fungus. Also be wary of insect invasions from wood boring insects. These articles should help:
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-problems.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-leaking-sap.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-diseases.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-fire-hazards.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-root-damage.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/peeling-bark-on-eucalyptus.htm
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- Asked by
Anonymous on
July 25, 2024Q.Common Eucalyptus Problems
Large Eucalyptus tree which is continuously losing its leaves and branches almost touching the ground. Height of tree much taller than houses and very close to houses.
- Answered by
GKH_Susan on
July 26, 2024
Certified ExpertA.These articles should help:
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-problems.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/tips-growing-eucalyptus.htm
https://ipm.ucanr.edu/PMG/PESTNOTES/pn7460.html
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-root-damage.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-in-windy-areas.htm
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-leaf-uses.htm
Was this answer useful?00 - Asked by
Anonymous on
October 2, 2024Q.Why Is Half Of My Glacier Eucalyptus Plant ..the Leaves Are Drying Up And Dropping..and The Other Half Is Fine?
do I need to cut the dry part off?
- Answered by
GKH_Susan on
October 3, 2024
Certified ExpertA.They grow quickly and need ample room in their containers. Yours may need repotting. This article tells about a special type of container to use because of its rapid growth. Go ahead and trim back any dead growth. Also, be sure it is getting plenty of sun and water. Here is more:
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-houseplants.htm
Was this answer useful?00 - Asked by
brynmaine1 on
October 14, 2024Q.We Bought And Planted A Tree Which Has Grown Well But The Smell Off The Leaves Has Gone And The Leaves Have Changed
We bought and planted a tree 7 years ago , it’s grown well but the leaves have changed and there is no lovely eucalyptus smell from the leaves any more , why has all this happened?
- Answered by
BushDoctor on
October 14, 2024
Certified ExpertA.I assume that we are talking about a Eucalyptus tree. Unfortunately, your photos did not come through. I am unable to get any clues as to what is happening. I can suggest testing the soil for pH imbalances and nutrient deficiencies. That will get you started.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
If everything checks out, then move on to disease. If there are no immediate signs of disease, then you might look to an environmental stress of some sort. For now, this article will help you to grow the tree, successfully:
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/tips-growing-eucalyptus.htm
Was this answer useful?00 - Asked by
sophster078 on
January 12, 2025
Zone 5Q.Eucalyptis
I would like to know why your website gives gardeners tips on the care of eucalptis without acknowledging that this tree is highly flammable, highly invasive and difficult to eradicate. In California, millions of these trees create a greater risk of wildfire than trees and shrubs native to California. We can see the results in Pacific Pallisades of planting a tree that explodes when exposed to fire sending burning embers in all directions. See Sierra Club for further information. A tree presents an opportunity to create habitat and support biodiversity one garden at a time. Isn't it time to consider selecting native trees adapted to American soil & climate which support the greatest biodiversity of species ahead of non-native novelties?
- Answered by
BushDoctor on
January 12, 2025
Certified ExpertA.We cater information for anyone around the world. We can't provide information to California, alone. In many parts of the world, and even in the US, it is not invasive and can be difficult to grow. To be fair to everyone, we must be able to provide information on the plants and trees. Any plant has the capability to become invasive outside of its native area, and sometimes even in native areas when humans take out species that would normally keep them in check.
Still. We must think of gardeners in parts of the world where this tree is perfectly suited. As well, this article does go over the flammability of the tree.
https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-fire-hazards.htm
Was this answer useful?00 - Asked by
Anonymous on
March 25, 2025Q.Silver Dollar Eucalyptus Tree
How well will a silver dollar Eucalyptus tree do in Central Pennsylvania?
- Answered by
GKH_Susan on
March 28, 2025
Certified ExpertA.Your city is in USDA zone 7a, so you are one zone colder than its 8a to 11b range. This article says it can be grown in a container and moved to a frost free area for winter. Take note it is highly poisonous. Here is more:
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