Questions tagged [roots]

Plant organ that is typically below ground. Use this tag with questions about roots in general. How to prune, diagnose issues, encourage better root growth, etc..

Vascular plants have roots. These are an organ of the plant that lacks leaves (and nodes) that absorbs water and nutrients (typically from the soil), and anchor the plant to the soil (or host/ledge for an epiphyte). There are plenty of exceptions. For example a rhizome is actually a piece of buried stem. Similarly, roots can be aerial - especially in water logged conditions, and with epiphytes.

As well as being an essential part of most vascular plants, roots play an important role in the landscape, as they help prevent soil erosion.

There are a wide range of different root types found on various plants. For example a 'tap root' goes very deep to tap water in drought / low water table conditions. A 'stilt root' comes out of the plant's trunk a few feet up, providing support for the plant, and even allow very limited lateral movement of the plant. A tuberous root stores food or water - eg. a sweet potato.

Although barely visible, plant root systems can be very large, and as a general rule-of-thumb, typically mirror the extends of the above-ground foliage.

Use this tag for all questions about roots. For example, protecting them, pruning them, removing them, etc.

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Why is it bad to till wet soil?

I read that tilling wet soil can destroy soil structure and make it more difficult for seeds to grow roots through the soil. How exactly do roots find their way through the soil? Can artificial soil structure be created for roots to grow more…
zavtra
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Do roots normally need air around them to grow better?

Do plants use their stems to breathe for the whole plant, or do plants need to usually have slightly dry so they can grow better?
black thumb
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Tree roots grinded near trunk

An irrigation company, in order to get to a sprinkler head and pipe, grinded several roots from my neighbors oak tree. The tree is at least 6' around at the base and the trunk divides into three trunks and one of those again into another. It is on a…
J mayer
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Roots growing out the top of plant, last attempt?

Some of my coworkers found a mismanaged plant and gave it to me to rescue. It was very dry and upon further inspection roots had grown over a small plastic pot, completely covering it. Then someone had put it in another pot. Some larger roots…
Erica
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exposed roots pine tree

I have a pine tree with exposed roots. I have read not to cover the roots, but can I safely put soil on the side of the roots to make a level ground for mowing purposes. I try to avoid the roots but i do forget about them and do not want to harm…
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How do you block tree roots from affecting your garden?

What is the best way to stop my pear tree roots from invading and sucking the life out of my flower bed that is planted under it?
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Is it possible to save this plant?

(photos at the end) Not sure what happened, but started getting weak and no longer standing, so it might be dying. To me it seems the root is already bad/dead (soft and almost black). Anything I can do to save it? Cut somewhere, separate,…
igorjrr
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How to grow purple yam from the grocery store?

I bought some purple yam from the Asian supermarket. I think they are true yams because there's laws for correct labeling of yam versus sweet potatoes. Cut open one end to show you the purple flesh inside. My question is how do I grow new yams…
JoJo
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Is this mycelium or does this shefflera has some kind disease on the roots?

I have an indoor shefflera. I noticed that it sometimes get sick so I checked the roots. The roots were practically escaping the pot and I noticed a kind of white film everywhere. What is growing on the roots? Should I clean this up, maybe even…
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Can ficus root growth be controlled trimming the tree?

I have very large ficus growing near a corner of a building. It is very overgrown. My gardener has suggested trimming the tree significantly and says that will significantly reduce the expansion of the root system, thereby protecting the building…
user19537
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Did I remove enough roots from large area of shrubs and trees to grow lawn?

I have cleared a patch of shrubs and trees. When we pulled the trees and bushes out we managed to pull most of the roots but some were too difficult to remove. I was just leveling the soil out today and found some roots with a white substance that…
Charles Bryant
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Where can I find information about root structure (morphology) of horticultural plants?

It is extremely important to know information about the root structure to avoid belowground competition when growing stuff in tight space. However, it seems that such information is very hard to be found on the Internet. Is there any online…
y chung
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Thuja growing under my house?

I have a 6 meter high thuja at 1 meter from the walls of my house with no foundation under my house. Do I risk destabilising my house?
Veerle
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Dog keeps breaking nails on exposed tree roots

My dog has short nails so them being long aren't the issue but we have a very large tree in our backyard and have exposed roots in most of the yard that she keeps breaking her back paw nails on from running over them. I've been reading and it says…
Airia
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When spraying off marsh mallow root, is the outer skin supposed to fall right off when washed?

After digging Marsh mallow I was spraying it off, and noticed the skin came right off. is this normal for a healthy root?
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