Questions tagged [roots]

Plant organ that is typically below ground.

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32
votes
2answers
2k views

Why did my carrots split in a way that looks like legs?

This is the first year I've grown carrots. What gave them legs? I have a theory that the seedlings merged together. I don't know if that is just silly or if carrots just naturally grow like this.
23
votes
2answers
15k 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 roots need oxygen; they will rot and die if they're in standing water for too ...
17
votes
5answers
6k 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 ...
16
votes
5answers
111k 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 ...
15
votes
1answer
526 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 ...
14
votes
1answer
1k views

Should a root-ball always be loosened when transferring a potted plant/tree into the ground?

I've always thought that the right way to transfer a plant/tree to the ground is to dig a hole twice as big as the root-ball, free the roots that have been growing in a limited space, and set it level ...
14
votes
1answer
5k 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?
12
votes
4answers
92k 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 ...
11
votes
2answers
2k views

Does my Sago Palm have root rot?

My Sago Palm (Cycas Revoluta) has weird-looking clumps in its roots. Is it a Phytophthora root rot infection? If not, what is it?
11
votes
2answers
964 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 rooting?...
10
votes
1answer
1k 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 ...
9
votes
3answers
847 views

Can I shave exposed roots from a Silver Maple tree to avoid damage when mowing?

We have large roots from a huge Silver Maple tree that are partially above ground and interfere with mowing. Can I shave them so the mower can pass over them?
9
votes
1answer
7k views

Is it bad practice to leave dead roots in soil?

Is leaving them in there better or worse than taking them out? What about for indoor vs outdoor? Is it okay to leave roots in a pot you plan to re-use soil for? In my mind I am mostly considering ...
9
votes
2answers
2k 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
2answers
276 views

Are these growths on my houseplant roots?

I'm not sure of the name of this plant. It doesn't grow too quickly, maybe one or two inches each year. Is the growth in the bottom picture a root? Can I clone this plant from that? (Click on the ...
8
votes
3answers
9k views

Does pruning the tree slow root growth?

We have a cherry tree, and neighbours, which is only about 4 years old, and I would say about 5 metres high. Neighbours are worried that its roots might eventually damage supply/drainage pipes in ...
8
votes
1answer
636 views

What should I do about old invasive redwood roots after the trees are cut down?

Our redwood trees were too big and too close to the house so we had them cut down. Now we will grind out the stumps and remove the large roots. However, the ground is totally saturated with the ...
7
votes
4answers
8k views

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 ...
7
votes
3answers
111 views

Do soil nutrients travel to the surface?

I've built four additional raised beds for my garden, and put a lot of tree branches and cow manure at the bottom. The problem is, the beds are two feet deep (24" sides, I mean), and I had intended ...
7
votes
3answers
207 views

Why should I prune roots of bare root blackberries before planting?

I bought some bare root blackberries from a reputable nursery and in the instructions they said to "prune roots 1/2" to 1" with sharp pruning shears" before planting. What purpose does this serve?
7
votes
2answers
4k views

Can Tree Roots Regrow

I tilled an area about 3 feet from a large Crape Myrtle (all the way around), about 6 inches down. I did indeed get a lot of small roots (like pencil thick) and a couple large ones (about wrist thick) ...
7
votes
1answer
407 views

Saving sun-scorched succulents

I recently moved several small potted succulents from partial shade to full sun, which proved catastrophic for many of them. Specific genera among the casualties: Echeveria / Graptopetalum Faucaria ...
7
votes
1answer
250 views

Growing Epipremnum aureum stem roots on potted plant

I have an Epipremnum aureum (once rooted from a cutting) in a soil pot. It took some time, but then it grew at an incredible rate, with a thick stem (fingerbreadth) and large leaves. On the other ...
7
votes
1answer
240 views

Why does the tree trunk grow in diameter?

Why does the tree trunk grow in diameter even though you cut the roots and tips of branches?
7
votes
1answer
489 views

What to do against my Catalpa rooting in the neighbour's garden?

I have a Catalpa tree in the center of my yard. Today the neighbor showed me it's roots are showing in his (vegetable) garden. He went looking for it after noticing that his crops were smaller at ...
7
votes
1answer
808 views

The age of an Opuntia (prickly pear cactus)

Opuntia, prickly pear cactus, is a hardy plant with a wide range of distribution. Its growth habit is by branching paddles, or nopales. Is there any way to measure or estimate the age of such a ...
7
votes
1answer
450 views

What are the practical differences between cucurbits grown from seed and cuttings?

What are the practical differences between cucumbers grown from seed and cucumbers of the same maturity level and equivalent root maturity from cuttings? Is there a significant difference between ...
7
votes
1answer
9k views

Are the roots of cherry trees dangerous to house foundations?

We have a fruiting cherry tree which is 18 months old. It's planted quite close to the house. Are the roots dangerous to the property?
6
votes
2answers
477 views

Will shaving the top of a Red Maple's roots hurt the tree?

We have a large Red Maple tree in a large back yard. The roots have pushed up the concrete on a walkway. I have a friend who wants to practice concrete work for his university class and is willing to ...
6
votes
3answers
437 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 ...
6
votes
2answers
409 views

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 ...
6
votes
1answer
2k views

How should I deal with tree root pushing on brick retaining wall?

We have a Mt Fuji, Prunus 'Shirotae', tree with a total diameter of about 8 meters (26 feet). We only have a small garden but love this tree. It's planted next to a brick retaining wall (goes down to ...
6
votes
2answers
262 views

How to develop fine roots in potted plants

I wanted to know the best way to encourage lots of fine feeder roots for a healthy plant. I started a couple of lemon trees from a drink cup seed last year as an experiment. I used a wicking system to ...
6
votes
2answers
1k 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?
6
votes
3answers
655 views

How do you get rid of root flies organically?

Now that it is warming up in Sydney, I have noticed some tiny flies in the soil of my pots. I think they are root flies. They seem attracted to the pots containing rhizomes the most[1][2]. These pots ...
6
votes
2answers
248 views

How should I stabilize a tree with a malformed root ball?

I recently purchased a tree from a local nursery. It was originally in a 15-20 gal pot. The trunk of the tree was not centered in the pot. Instead its was an inch or two away from the edge. As a ...
6
votes
2answers
157 views

How to understand if my tree's roots are girdling

Some time ago I planted the dwarf (M27) apple tree shown and described in this question. At the time of planting, I am afraid I didn't dig a very wide hole, just twice the lateral size of the pot in ...
6
votes
1answer
705 views

Why are my vegetable plants in my hydroponic system dying?

I am growing peppers in my hydroponic system. I transplanted tomatoes & peppers three weeks ago. For the first two weeks the plants were growing well, but since the third week some of the plants ...
6
votes
1answer
256 views

How long can celery grow from water alone?

I bought some celery and placed the small remaining stalk in a glass of water. It's been growing pretty decently but still has no roots. Still mostly green maybe a tiny bit a yellow on a couple leaves....
6
votes
2answers
592 views

How should I remove long grasses/roots to prepare a fresh bed?

I am currently attempting to remove a bunch of dead grass in a roughly 5'x5' plot. When the grass fully grows sometime in early-to-mid summer, they are like very small, long-grassed shrubs, sort of ...
6
votes
1answer
14k views

What's the difference between corms, bulbs, and tubers?

Some plants, such as tulips, daffodils, and onions, grow from bulbs. Others, such as crocosmia, gladiolus, and taro, grow from corms. And then there are tuberous plants, such as potatoes, dahlias, and ...
6
votes
1answer
27 views

Root rot in Pseudotsuga

Friends of mine have a grove of 5 fairly closely spaced Pseudotsuga menziesii (Douglas fir) in their front yards which are about 15 years old. They are thinking about girdling the smallest to produce ...
6
votes
1answer
668 views

Tree roots in storm drain

A 12" square catch basin collects water from my driveway and transports it under the lawn to adjacent stream about 150 ft away via 4" corrugated buried pipe. They used corrugated covered w/stone (vs ...
6
votes
1answer
5k views

help! I broke my mango seedling's root

Ok, so my cousins had come over.sweet kids of 8 and 9. I was just showing them around my garden.And earlier in the day, we had some mangoes, and I had showed them how to take the seed out of the tough ...
6
votes
1answer
1k views

What is the root span of Dwarf Southern Magnolia 'Little Gem'?

I can't seem to find any consistent information on the root structure of these guys. We were given one as a housewarming gift and would like to get it into the ground as soon as possible, however I'm ...
6
votes
1answer
41 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 ...
6
votes
1answer
187 views

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 ...
6
votes
2answers
113 views

What is this small field plant with a tuberous root?

This plant was collected in a field South-Central Europe. Assume the height of the photo is 20cm. These are all small herbaceous plants. The ball next to it is the root. It has small bag-like ...
5
votes
3answers
5k views

Effect of old rotting roots on soil and new plants?

I had to cut several trees in my yard for various reasons. What happens with remaining roots of these trees? How do they affect soil and new plants planted in the same area?
5
votes
3answers
403 views

What are the green stubs growing on my Aloe vera's root?

I noticed recently that there were two green little stubs growing on my Aloe vera root. I'm a little worried. What are they and is this normal? Tips were browning a little when I came back from a 3 ...