What Plants Grow Best in Terracotta Pots? Ten Thousand Pots PETREA Commonly known as the 'purple wreath', we love this flowering vine with its lilac flowers. Plant this climber against walls, patios or over pergolas. Petrea can also be pruned into Panterra Round Plastic Planter Saucers Greenhouse Megastore Picked up some 55 gallon barrels for $10 apiece, here's one that I've turned into a garden barrel and painted. The plan this year is beans and peppers around the side and Best Grass Seed for Florida Modern Flower Planter Container, 5 and 6 Inch Indoor Vintage Copper Me MyGift