Top Questions About Yucca Plants

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Questions About Yucca Plants

Asked by
Anonymous on
February 24, 2011

Q. Yucca Plants Outdoors

Our yuccas have been planted for over four years now, maturing very well and reaching heights about 2 meters. They have a very large trunk, which produces new yuccas all the time. I then let the new growth grow to about 1 meter before using them in other parts of the garden, which has worked well. My concern is the trunk is very big. How big are the roots, as we have it in a garden bed with a retaining wall? Also, should I cut back the mature yucca?

Answered by
Nikki on
February 25, 2011
Certified Expert
A.

Whether you cut back the mature yucca is up to you. They do not need it, but it will not hurt them.

In terms of the retaining wall, there is a chance that the roots could damage the wall in future. It really just depends on how much space the roots have. Walls and foundations are no different than pots to a plant. If the plant runs out of room for the roots to grow, it will push against the walls of its containment, be it a pot or a wall, and try to make room. You may want to dig a small hole on the yucca side of the wall once a year or so to check if the roots have reached it yet. If they have, you can try root pruning the plant to control the roots.

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Asked by
Anonymous on
February 28, 2011

Q. How to Prune Outdoor Yucca

We have a very large yucca plant in our back garden with three main trunks on it. Each trunk has an additional two newer and smaller trunks growing from it. The plant has been in the garden over ten years. After the harsh weather and heavy amounts of snow, the leaves have virtually all fallen off and the top part of the trunk where the leaves are growing from has rotten. Some are black and some are just so soft and squisgy. We will be devastated if the plant cannot be saved, as it is the main feature of our garden. Can it be cut back and will it regrow? I am not a gardener by any stretch, so any help will be appreciated.

Answered by
Nikki on
March 1, 2011
Certified Expert
Asked by
gemas1105 on
March 2, 2011

Q. Outside Yucca Care

Outside Yucca got badly damaged in the heavy snow, leaves are brown and flopping around the stem.

Answered by
Heather on
March 2, 2011
Certified Expert
A.

I am sorry to hear that your plant was damaged. This article will hopefully help:
https://www.gardeningknowhow.com/ornamental/foliage/yucca/yucca-cold-weather.htm

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Asked by
Anonymous on
March 5, 2011

Q. How Much Water and Light Does Yucca Need

How do I know how much water and sunlight to give to a Yucca plant that is about four feet tall?

Answered by
Nikki on
March 7, 2011
Certified Expert
A.

Most yuccas need bright light for several hours a day. Water the plants when the soil is dry to the touch.

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Asked by
Anonymous on
March 5, 2011

Q. Care of Yucca Trees

I have a 7-trunked yucca about 3. 5 metres tall. It has flowered a couple of times and is starting to look a bit thin on top. Should I do something or just let it carry on?

Answered by
Nikki on
March 7, 2011
Certified Expert
A.

You can try topping a few of the trunks to encourage thicker growth. This involves cutting off the top 1/3 of the branch (which you can root as a new plant).

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Asked by
clivedenning on
March 6, 2011

Q. Will My Yucca Recover From Severe Frost Damage

Will my yucca recover from severe frost damage?

Answered by
Nikki on
March 7, 2011
Certified Expert
Asked by
Anonymous on
March 8, 2011

Q. Pruning a Yucca Plant

We have two yucca plants outside our window growing together. How do I know what to prune? Do I remove all the brown leaves, and what’s the best way to separate the two plants?

Answered by
Nikki on
March 8, 2011
Certified Expert
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