The Pumpkin & Marigold Harvest Festival at Mellano Farm Stand in Oceanside invites visitors to celebrate autumn with pumpkins, marigold displays, and live music on the farm grounds at 5750 North River Road. The family-friendly event blends agricultural markets with seasonal decor and performances, highlighting local harvests in a rustic coastal California setting. It draws a community audience for a weekend of activities centered on seasonal produce, floral arrangements, and music.