Palm trees do not get borers or sunburned trunks. Borer damage doesn’t happen much probably because they are monocots.
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Chilling injury is due to cooler or cold weather (above freezing) temperatures to tropical plants growing outside of — or close to — the fringes of their normal range.
Some composts are rich and full of nutrients. Other times they are not so rich, and the addition of a fertilizer might be needed.
Some plants don’t grow well in rock, and roses are one of them. Nearly all landscape plants in the rose family like soil improvement and a moist environment when planted in desert soils.