Provided is a unique sign support system having a self-contained installation and extraction system which is effective for temporarily attaching the sign support system to soft or hard ground with minimal effort and without the requirement for additional tools. The sign support system further provides for independent vertical and horizontal size adjustments to permit the sign support to adapt to a variety sizes of signs and spatial limitations. The invention further provides a unique vertical support assembly having a self-contained installation and extraction system which is effective for temporarily attaching the vertical support assembly to soft or hard ground, the vertical support assembly then being adapted for a wide variety of uses, to include tent supports, temporary lawn awning supports and other such temporary vertical support requirements. The invention also provides a unique crossbar assembly which can be employed to connect any two or more vertical supports and having multiple universally adaptable attachment points along its length can be adapted for a wide variety of uses. Also provided is a sign system kit.
