Meet SAS friends old and new when you join us for Earth Day at this family-friendly event to help with either native grass planting or watercress removal at Festival Park in Castle Rock.   *Ages 10 and up welcome, anyone 14 or under needs to be with a guardian at all times. *This event will be outdoors and is wheelchair accessible. *Bring your own gloves if you have them. If you don’t, there will be plenty for you to use! *There will be water, snacks, gloves, vests, tools, and instruction.   Space is limited, please RSVP.