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Those aren’t too much work because they grow so slow. Tree health depends on ample space from other vegetation to permit root development. Just fertilize them regularly if your soil is sandy.

That said, if you decide to trim them yourself, remember there is a danger of getting jabbed by thorns. The base of the fronds carry some hefty spikes you will want to avoid and never cut off healthy branches. Branches that still have green contribute to the plants photosynthesis cycle. Bolt cutter type trimmers or a tree branch saw work great for DIY people for removing branches. The hair is easy to remove with just a box cutter.