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I planted a Silver Tree (Leucadendron argenteum) a few months ago in a spot where it gets several hours of sunlight. Recently, its lower leaves started turning yellow; see photo:

Leucadendron argenteum

Is this a cause for concern? If so, what's likely the problem and how do I remedy it?

No, I haven't fertilized it; and I know that the plant doesn't like phosphorus.

Paul J. Lucas
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  • Have you been watering it and if you have, how often and how much? – Bamboo Apr 17 '22 at 18:45
  • Yes, I’ve been watering it, though not explicitly lately since it’s been raining. Last week, it was looking a little droopy, so I watered it and it perked back up. – Paul J. Lucas Apr 17 '22 at 19:32

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I think the problem is down to lack of water; although these trees like free draining soils which are not constantly wet, it is still a tree, and all trees need watering during the first 1-2 years after planting, until they've established a good root system for themselves. Water it with a few gallons at least once a week, and if it's hot and dry, 2 or 3 times a week - if its raining but the rain isn't torrential, you should still water it once a week. If you have anything that passes for autumn/winter, when temperatures are much cooler or cold, it won't need watering then, but for the rest of the time, it will till it's been in situ for a year to 18 months.

Bamboo
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