Preston Herb Co THCA Flower Prices

Preston Herb Co bills itself as a premier source of federally legal cannabis flower, sold both online and in retail stores. The menu centers on THCA flower in indoor and greenhouse grades — from the eighth up to bulk ounces — alongside a deep concentrate lineup (live resin, live rosin, bubble hash, crumble, THCA diamonds and isolate) and edibles like gummies, caramels, and syrups. Everything is hemp-derived and Farm Bill–compliant, testing below 0.3% delta-9 THC.

Orders process in one to two business days and ship via USPS. All sales are final, with exceptions only for packages lost to a postal error or that arrive damaged. The site does not publish a state-restriction list, so confirm availability for your state before ordering.

We track 37 products from Preston Herb Co, with the best value right now at about $1.79/g — 31% below the $2.60/g market average for greenhouse THCA. Prices are pulled from prestonherbco.com roughly every 6 hours and ranked above by true price per gram, so you can see how Preston Herb Co stacks up against every other vendor we follow.