Earth Dragons
These dragons are ruled by Grael (pronounced grail), their elemental color is pure green, every shade of Brown and Black.
Their homes are in cold and dry places. Earth dragons are very quiet beings, they will observe from a distance until they are ready to approach you. Once you have befriended an earth dragon they are very straight forward and will be blunt and honest with you but are very loving and nurturing. They tend to have a ridge of sharp scales down their necks and back, their body scales are often very reminiscent of armor. Of all the dragons, these are the ones that like treasure and in order to build a strong relationship you should keep a jar or dish full of coins. The earth dragon’s bodies tend to be very heavy and most of them have four legs, when they have wings their wingspan is enormous. Earth dragons govern the Northern Quarter of the Circle and Northern associations may be applied to them.
Positive associations for earth dragons are respect, endurance, strength, responsibility, stability, prosperity, thoroughness, and having a purpose in life.
Negative associations are rigidity, unwillingness to change, stubbornness, and lack of consciousness, vacillation, and weakness.

Earth dragon magick is good form building long lasting foundations, for helping to complete long-range goals, and for invoking stability into your life. You can also call on them for physical and mental endurance as well as the strength to accept responsibility. If you are planning to do a spell for enduring prosperity and success, earth dragons are excellent for this but they expect you to work towards your goals and not demand that they deliver it to you.
Other kinds of Earth Dragons are Stone Dragons, Nature Dragons, Mountain Dragons, and Forest Dragons.

Source:
Wicca Dreamers