One palm has roots growing 3 feet up the trunk with splitting bark. ... Roots appearing on the trunk are not unusual with royal palms. They usually occur when the root system is […] Skip to content.

It is rare that a palm root system damages a sidewalk. Don’t be fooled though. Palm root systems can be extensive, often growing out 30-50 feet from the trunk.

If roots are emerging from the lower part of the trunk, plant it deep enough to cover them. -- Fertilize regularly in growing season: every month to six weeks from mid-February to August.

Rambling Roots . First of all, most palm trees have a large number of short roots spread across the upper levels of the soil, which work to secure a large amount of soil around the root ball.