Plant organ that is typically below ground.

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3
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1answer
1k views

how far will pine tree roots spread?

I have a very tall pine tree in front of my house. I am about to start work digging up my downstairs floor and re-doing it. I'm just wandering if before I start I should look further into the roots of ...
2
votes
1answer
206 views

Are lemon tree roots unusually damaging to nearby concrete?

A colleague told me that in a region where all tree removal required consent he had processed many consents for removing lemon trees and concluded they (and limes) are particularly bad at damaging ...
3
votes
1answer
54 views

I just planted a Paperwhite bulb and I broke the roots. Will it still grow?

I planted it, indoors, about 2 days ago. I rotated it because I thought it was leaning. Then I heard a snap and realized i'd broken the roots. I didn't think roots would have already sprouted :(. Did ...
6
votes
1answer
234 views

Why do plants root when placed in water, but die in standing water

A lot of plants need well drained soil. They're said to not like getting their feet wet. The explanation given is that the root need oxygen and will die and rot if they're in standing water for too ...
4
votes
2answers
144 views

My tree has root damage: how can I save it?

I cut a few of the roots around my tree. My tree is now in shock: the leaves are curling and it's losing some of them. The tree itself is drooping. Is there anything I can do for my tree?
4
votes
1answer
79 views

Mycorrhizae Innoculant. When/where/on what do I use this?

I saw a video of a guy using this symbiotic fungus powder on legume root balls that he placed in a green manuring bed. Is there a point to using this stuff in general? Right now I'm a few days away ...
3
votes
1answer
77 views

What plant did this root come from?

This may be a long shot, but I've got a very large (1.5 inch diameter) root running along the side of my house. There is ivy, bamboo and lilac growing above it. There is a 20 foot magnolia about 20 ...
3
votes
1answer
113 views

Can Thuja trees live in a “square foot garden” style container?

I have a number of young Thuja trees that I would like to grow outside my porch. However, I live in student housing and we're forbidden from altering the outside area, so I don't like the idea of ...
5
votes
3answers
123 views

What are the green shoots coming out from under my tree?

I just moved into my first house, :) and I have two big bushy trees in the front yard. (I'm unsure of the identification for them. Anyone know?) At one time it looks like they were lanscaped, but ...
5
votes
1answer
76 views

How do I manage roots in a multi-plant planter?

I have a plastic, rectangular planter with a variety of plants. I recently added a new plant to an empty spot, and found that the region was already thick with root fibers from the other plants in the ...
4
votes
1answer
32 views

How should I care for the rhizome of a small canna seedling?

I had been hybridizing cannas in the summer and have a promising young plant. Should I store its rhizome in a basket in the basement like the big rhizomes or do mini plants need special care? The ...
7
votes
2answers
213 views

What are the benefits of veg / fruit plants with grafted rootstocks?

Last year I grew aubergines (eggplants) and tomatoes with grafted rootstocks, and they actually produced a lot more veg than my other plants. Could someone tell me why it is done and why they ...
8
votes
1answer
234 views

Should my spruce tree roots be covered?

This Norway spruce's roots have always been on top of the ground. The soil it is growing on is very hard white dry soil with a layer of decayed needles on top. It has been growing fine so far, but ...
12
votes
1answer
379 views

Why didn't my forsythia cuttings root?

In May, I took some greenwood forsythia cuttings, dipped them in a hormone rooting powder and planted them in rooting mix. The mix was kept moist all year. I had thought they had rooted because they ...
8
votes
1answer
538 views

How do I prune the roots of a rootbound plant?

This answer talks about pruning the roots of a plant when it has become rootbound. How easy is it and how do you go about it?
8
votes
2answers
184 views

What are some edible plants (vegetable or fruit) that can produce roots in water?

I would like to know which edible plants can actually root from twigs and/or leaves put in water or a similar setup? Is it as simple as leaving them in water or do you need chemicals to induce ...
12
votes
3answers
1k views

Should I remove the tree roots coming from the neighbouring garden?

When I was digging out* a patch to grow veggies earlier in the spring I found big roots in the soil unconnected to anything in our garden. It looks like they're coming from some kind of palm trees ...
12
votes
4answers
8k views

How far (on average) do tree roots extend out from the base of the tree?

I a looking to plot out my new garden site for next year and am wondering how far I need to be away from some nearby trees. The trees are a few different types (apple, oak, pine etc.) and anywhere ...