Unwind and relax with 1g Pre-Roll by Rio Vista Farms™. Rio Vista Farms™ is our indoor flower grown, packed, and distributed by us and only us. We pride ourselves on quality cannabis at a fair price. Our indoor flower is grown with organic soil and nutrients. Hand-trimmed and brought to the customer with farm-direct prices. Farm-direct pricing eliminates the middleman, so we can bring our exotic genetics from seed to shelf at a great price. Craft Cannabis Cultivation.