Here are some links which will enlighten you a bit more on the magick of the rowan tree.

www.treesforlife.org.uk/forest/mythfolk/rowan.html

www.druidry.org/obod/trees/rowan_susa.html

http://controverscial.com/Rowan.htm

You may see and purchase a few of my hand made rowan items at the link below.  All of my rowan crafts come from wood harvested in and around the Legendary Isle of Avalon, present day town of Glastonbury, England.

WandsofAvalon.etsy.com