Fast & Fresh Online Flower Delivery from Your Local Florist in Riverton. Order Online Today! Riverton Florist offers a wide variety of flower arrangements, with Native Australian Flowers. Have a special event or wedding in the Riverton area? Give us a call! 08 9354 1922. We can send your flowers same-day delivery and next-day delivery to Riverton and surrounding areas. Select Designer's Choice for our freshest flowers, hand-arranged by Riverton Florist.