Dealing with Houseplant Pests, Part 2: The 7 Most Common Indoor Plant Pistils Nursery Have you considered growing blackberries in containers? This is our second year of growing a thornless blackberry in a container, which is half of a 30 gallon drum. We have created a custom soil Cobalt Blue Ceramic Planter Artisan Decorative Vessel Ethimaart Three Legged Metal Planter Pots Wholesale Case Premium Planters & Garden Urns Garden Fountains