Water bluebells are one of the easiest water plants to grow.  They are constantly covered with small, trumpet shaped 2 inch lavender-blue flowers with dark purple-green foliage throughout the growing season.  They take sun to part shade and moist soil or water over the crown up to 6  inches deep.  They reach 2 - 4 feet and about 24 inches wide.  The foliage will turn a burgundy color in the autumn when the temperatures turn cooler.

I normally will plant my bluebells at the pond's edge near the bog butterfly or water hibiscus to create a bushy colorful area.  This is another water plant that will attract butterflies and hummingbirds in your garden.

Buy bluebells, Ruellia brittoniana here.