Costco finds, Found these large garden pots at Costco and they look like a great deal! , These pots come in a 3 pack and are perfect for container gardening. You can grow vegetables, herbs, flowers, How to Grow Giant Sunflowers from Seed for Beginners Part 3, Potting up.again, So once your sunflowers get to this kind of size, then depending on what pot size you are using it would be Plantara 18", 15" & 13" D Solid White Concrete Plant pot(Set of 3), Modern Round planter, Outdoor Flower pot for Garden On Sale Overstock 37121639 Bougainvilleas need good potting mix because they require well draining soil to thrive. Their roots are sensitive to waterlogging, and a poor quality or heavy potting mix can retain too much moisture, NutriStar Citrus, Fruit and Avocado 15 lb BUCKET 3 Useful Tips to Fertilizing Phalaenopsis, or Moth Orchids