Seedville Broadleaf Arrowhead Seeds

You can absolutely grow them in containers. Planting them in pots is actually a recommended strategy to manage their spread, as they can be quite vigorous in open water.

Yes, the rhizomes are edible and have a long history of traditional culinary use. They are typically harvested, cleaned, and then boiled, roasted, or sliced into stir-fries, similar to how you would prepare a potato or water chestnut.

White Broadleaf Arrowhead is versatile and will perform well in anything from full sun to partial shade. For the most vigorous growth and best flowering, aim for a spot that receives at least six hours of direct sunlight daily.

These are incredibly hardy plants, suitable for USDA zones 4 through 11. They are well-adapted to survive cold winters, provided the water or soil they are planted in does not freeze solid to the bottom.

Like many aquatic plants, they can spread aggressively if left unchecked in a natural pond environment. Using containers is the most effective way to keep them contained and prevent them from taking over your entire water feature.