Lavandula × intermedia 'Fat Spike'

Common name(s): lavandin, fat spike grosso

Description: evergreen shrub; a cultivar that was imported to the U.S. in the early 1980s under the name 'Grosso' but was later determined to be distinct. Growth is similar to 'Grosso' in that it forms a perfect cushion of gray foliage but the flower spikes are larger and the oil is of lesser quality. Ideal for bouquets and crafts but not for essential oil. Very fragrant dark violet-blue flower spikes on long stems. 

Height: to 3 ft. Spread: to 5 ft.

Stem length: 12-16 in.  

Corolla: dark violet-blue

Calyx: dark violet

Bloom season: mid summer

Best Uses: landscaping, rock gardens, essential oil, bouquets, crafts

Position: full sun and well-draining soil

Winter Hardiness: to 0 F and below

Drought: adapted to 4 months of summer drought