Myosotis alpestris, Myosotis sylvatica
Perennial. Hardy in zones 3-9.
Start inside 8-10 weeks before planting out. Lightly cover seed and provide an average soil warmth of 21°C (70°F). May also be direct seeded in early spring. Transplant in early spring into a full sun to part shade location, 6-8" apart. Must have moist soil and prefers cool location. If summers are hot, provide some shade. Self-seeds freely if you do not remove spent flowers.