Colorado Backyard Gardener

This sounds like a great event.  There is a fee to attend. From their website:

Come explore the joys of tomatoes in sweet and savory form. Combine different cooking techniques and use the brilliant sweetness of seasonal, heirloom tomatoes varieties to awaken the elements they have to offer. Bringing out the richness of what fully ripened tomatoes have to offer, add these recipes for a unique collection that will add dynamic flavor to your dining experiences.