'Grosso' lavender (Lavandula  × intermedia 'Grosso') lah-VAN-dew-lah ex in-ter-MEE-dee-ah Synonyms:  Lavandula X intermedia 'Lavandin' Genus:  Lavandula This hardy lavender stands out for its unusually large, dark blue-purple flowers, silvery green foliage, and heavy fragrance. It is often used in perfumes. Growing to 30 inches tall and nearly as wide, 'Grosso'  has very long flower spikes and blooms from midsummer into autumn. It is especially attractive as an edging. Care:  Provide full sun and well-drained, sandy soil. Lavender tolerates drought, but not excessive winter moisture or very high humidity. Problems:  Leaf spot, root rot.

Overview

Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Light Full Sun Only Moisture Dry to Medium Maintenance Moderate Characteristics Attracts Butterflies, Fragrant Flowers, Fragrant Foliage, Showy Flowers Bloom Time Early Fall, Late Summer, Summer Flower Color Purple Uses Beds and Borders, Cut Flower, Dried Flower Style Cottage Garden, Formal Garden, Rock Garden Seasonal Interest Summer Interest Tolerance Deer Tolerant, Drought Tolerant Type Herbs