Lobelia – Pale Blue Selection (Siphilitica) Seeds
They like having wet feet which can be useful, and butterflies are attracted to the very bright scarlet flowers. Forms an upright mound of green foliage, bearing taller spikes of blue flowers in mid to late summer. Will self-seed where happy, clumps may be divided in early spring. Around 30 inches tall. On the whole; this family of perennials are great for a moist area, in full sun or semi-shade where they will positively thrive. In a dry situation, they are smaller and later to flower.
Not marginals or in the pond, but around the pond area.