I've had my rubber tree for almost reimbursed. Before that, my grandmother owned and cared for it for roughly 4 years. Upon comparing my plant to pictures of others, I've found that my plant's main branch is week and does not stand straight or upright. What can I do to strengthen the branch and encourage upward growth?
You may want to prune the plant back to encourage it to produce lower, stronger growth, as described here:
https://www.gardeningknowhow.com/houseplants/rubber-tree/prune-rubber-tree.htm
The plant may also be weakened if it's not getting enough light, and it may bend toward the light if it's always illuminated from one direction only. If this might be a problem, you could try moving it closer to a window or giving it another light source, and rotating the pot periodically.
https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm
Part of the plant froze & all the leaves fell off - part still has leaves- what should I do?
Make sure you cover the plant with burlap on the coldest of nights. Wait until you see new growth when it warms up and you can trim up the branches. There is not much you can do passed this, other than preventing it from getting that cold again.
Here is an article on their care: https://www.gardeningknowhow.com/houseplants/rubber-tree/rubber-plant-outdoors.htm
how deep does the root system grow (outside)? I have a plant which the neighbor claims is disturbing the stone wall between our properties. I can't see it, but it is plausible. If I cut the root system on the property line will I likely kill the plant or will it rebound and adjust?
I'm sorry but your neighbor is correct. The Rubber Tree is not suitable for a suburban yard. The roots can invade pipes, sewer systems and break concrete and pavers.
It would be best to remove the tree and the risk of future damage.
My rubber tree has grown excessively tall. Will it eventually bend over and continue to grow?
Can you include a photo? If it is mature enough, it can be pruned to a more suitable height.
This usually is caused by a lack of light. I would make sure that it get semi bright light to keep it more compact. This article will give you more information on the care of these: https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm
So, I got my rubber tree plant from a nursery and it looked a bit damaged (it had scars on the leaves if that makes sense). I didn't care so I decided to take care of it. I sprayed it once with fungicide and pesticide, all good. 1 month later... I watered it 2 days ago, it leaked the water out as normal but since then and that's when I noticed it's been dropping the little leaves. So I looked at them to see if it could be bugs and honestly I didn't see anything but there is a new little leave that has a 'burnt' 'bitten' part so I am worried. Thanks
This is a pH problem, it would seem. There also seems to be a fungal infection setting in. I would apply dolomitic lime, and replace 1/4 of your water with peroxide the next time you water. These will want the soil to dry out in the top two inches. Let this dry a little between watering, and this will prevent future infections.
This article will give you more information on the care of these: https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm
I recently purchased a very large rubber plant from a woman who has been growing it for over 12 years. I've had bad luck with them in the past but since she did so great with this one and I was following her directions to a t I figured I could do well with this one. I was wrong and I need help. All the leaves are turning yellow and falling off and I've watered it exactly like she said and it in a large window getting indirect sunlight. I've had it just over 2 months and it started about 3 weeks after I got it and it's just getting worse. This is a 10ft+ tree and it would break my heart if I killed it. I don't know what to do. Please help!
Yellowing leaves are likely an indication of a watering issue; too much or too little.
It's best to check the soil instead of watering on a schedule. The needs of the plant likely changed in a new environment.
These links will help you.
https://www.gardeningknowhow.com/houseplants/rubber-tree/watering-a-rubber-plant.htm
https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm
My outdoor ruber tree (Florida) has streaks on the leaves. Looks like bar codes. What is causing this discoloration?
This is a fungal infection. This can, usually, be treated with dolomitic lime and wettable sulfur. This article will help you with the care of these plants: https://www.gardeningknowhow.com/houseplants/rubber-tree/rubber-plant-outdoors.htm