If the fronds start to yellow, though, it can ruin the appearance of the gorgeous green foliage that makes these trees ...

The problem of yellow ... leaves. Also known as ‘chlorosis’, leaf yellowing occurs when something interferes with the plant’s chlorophyll – the pigment which gives leaves their green ...

As the tree does this, the green chlorophyll is removed, which reveals hidden colours in the leaves. The first colours to appear are yellow, then they turn clear too, revealing the gorgeous red ...