Middlemist Florists Middlemist Visit Website (303) 653-2120 Instagram Hours: Delivery. Studio Pick Up by Appointment. See website for more details. Thank you, About Rep Info Map About Middlemist is an eco-friendly florist based in Golden, CO. We offer delivery and studio pick up for floral bouquets, floral arrangements and plant arrangements. We take on a small number of events each year. Whom to Contact Erin Jackman Phone: (303) 653-2120 What's Nearby? Distance: 5 10 15 20 25 50 mi.