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How to tidy up a bulky Yucca

  • How to tidy up a bulky Yucca
  • How to tidy up a bulky Yucca
  • How to tidy up a bulky Yucca
  • How to tidy up a bulky Yucca

Ah, the unlovely Yucca. OK, that's a bit unfair, the flowers are spectacular, but this is not one of my favourite garden plants: firstly because in my mind it is forever associated with Pampas Grass, with all those unfortunate 70s connotations, but secondly and mostly because every single leaf is tipped with a nasty spine, and I have a deep and abiding dislike of being stabbed, slashed, poked, ripped and generally savaged by plants in my care.

However, many of my Clients have them (sighs heavily) so I have to find a way to manage them.

The usual problem is where an old, well established clump has become very congested: they don't look particularly nice; they usually have a large number of dead brown leaves in amongst them, which encourages pests and impedes air flow; and often the clump is then over-run with perennial weeds such as bindweed or, in this case, couch grass – mostly because the poor gardener (that's me) can't get near the darned thing to weed around it.

So what do we do?

I have developed a useful technique for working around spiky plants, it involves taking a length of stout cord about 2 yards/2m long, and looping it around the plant: you then gently tighten the loop and work it up the stem, to pull all the leaves up into a neat package. This allows you to work around them in safety, and once you have finished the weeding, you can lean in and release the cord. Easy!

Ah, but what do you do when the clump is so congested that you can't see where to put the cord, as in my first photo? The answer is to go in on your hands and knees at ground level, ducking carefully underneath the spine-tipped leaves, with a pair of loppers or a sharp kitchen knife to hand. (That would be an “old” kitchen knife, of course, not one of your best Sabatiers...) Grope around at soil level until you find one of the outlying “trunks”, and lop it off, fairly close to the ground. Yucca is very soft and easy to cut, thankfully! Work your way around the clump, cutting off all the smaller trunks, until you can see the main trunk – photo 2. Slip the cord around the trunk, make a noose and gently pull it tight, pushing the loop upwards until all the leaves are held in an upright bundle. You can then easily work all the way around the main trunk until it is as clear as you want it – I usually leave just one trunk if it is a good big one, or maybe 2-3 smaller ones.

In photo 3, you can see that now I have a clear space around the plant (and yes, I have also pruned off a couple of low branches on the crab apple adjacent to it) which now allows me to dig up the roots of the chopped-off trunks – otherwise each one will simply re-grow. It also allowed me to dig out all the couch grass roots with ease.

Having disposed of the rather large pile of off-cuts, and raked up the general mess, I could then untie the fronds and voilà! Photo 4 shows a much neater, more shapely, nicer looking Yucca, with plenty of room to spread, no couch grass, and best of all, it will now be easy for me to tie up the fronds next time I need to weed around it.

This technique works equally well with large clumps of ornamental grasses, by the way, so if you have some troublesome prairie planting, give it a try!

Comments (2)

  1. Grower

    Gray J

    Just cut it down to the ground and it will re shoot I tried to dig one up and it kept on coming back again

  2. Grower

    Rachel the Gardener

    So far, Gary, I've been successful with the above: the one in the photo has not sent up any re-shoots from the smaller trunks which I cut off for ease of working, and then dug up: I was pretty sure at the time that I had managed to get all of the root in each case.

    If you have a very large one, I can imagine that it would be a real struggle to get all the root out. If you don't want it to regrow, I would suggest just cutting the stem(s), straight across, a little above soil level - then carefully spritz the cut stem with some glyphosate-based weed killer. That should get rid of it!


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