Lavandula ×intermedia 'Gros Bleu'
Common name(s): lavandin
Description: evergreen shrub; upswept growth with gray-green foliage and pleasantly fragrant, slender dark purple flower spikes on long stems. Considered to be among the darkest-flowered of the L. ×intermedia hybrids. Popular in dried bouquets and potpourri.
Height: to 4 ft. Spread: to 5 ft.
Stem length: 20-24 in.
Corolla: dark violet
Calyx: dark purple
Bloom season: mid summer
Best Uses: landscaping, rock gardens, bouquets, crafts
Origin: unknown, the original 'Gros Bleu' was grown as early as the 1940s in France but its description is not congruent with the cultivar currently grown as 'Gros Bleu'
Position: full sun and well-draining soil
Winter Hardiness: to 0 F and below
Drought: adapted to 4 months of summer drought