Delphinium, Laser Beam™ DelphiniumLaser Beam Delphinium is a compact clumping perennial with palmate basal leaves that emerge bright green and mature to olive green. Strong upright flower spikes packed with 2 3" vivid violet blue flowers with a white bee that bloom in early summer and again in late summer if deadheaded. Blooms best with afternoon shade in Southern climates and rich, moist, and slightly alkaline well drained soil. Toxic if ingested. Type: Perennial Height: 2' 2. 5