Lavandula ×intermedia 'Seal'

Common name(s): lavandin

Description: evergreen shrub; vigorous, upswept growth with gray-green foliage and pleasantly fragrant, violet-blue flower spikes on long stems. Very floriferous; it is said that mature plants produce 1200-1400 flowerheads in one season.

Height: to 5 ft. Spread: to 5 ft.

Stem length: 16-22 in.  

Corolla: violet-blue

Calyx: dark purple

Bloom season: mid summer

Best Uses: landscaping, bouquets, crafts, essential oil

Origin: an English field cultivar that was selected by Miss D.G. Hewer of the Herb Farm, Seal in Kent, England sometime prior to 1935. 

Position: full sun and well-draining soil

Winter Hardiness: to 0 F and below

Drought: adapted to 4 months of summer drought