Veronica spicata 39royal candles39 looks very regal at the front of a garden border where it will produce a seemingly endless delight of deep indigo blue flower spikes this indispensible hardy perennial has a useful spreading habit which makes it perfect as an attractive groundcover and it looks very effective in mass45planting schemes too the mid45green foliage of this dwarf spike speedwell produces its beautiful blue flowers in early summer and they last for many weeks trim w