Easily grown in average, medium, well-drained soils in full sun to part shade. Lanky growth occurs in too much shade.

Noteworthy Characteristics

This giant hyssop cultivar is a woody-based perennial of the mint family. Features tiny, tube-shaped, lavender-blue flowers tightly packed in rounded verticillasters (false whorls) in 4" long interrupted terminal spikes atop stiff square stems typically growing to 3' tall. Flowers bloom freely over a long summer to early fall bloom period and are attractive to butterflies. Ovate-lanceolate leaves (to 4" long) are downy beneath and have a pleasant minty-anise fragrance. Leaves may be used in potpourris or to flavor cold drinks.

Common Name: giant hyssop

Type: Herbaceous perennial

Family: Lamiaceae

Zone: 5 to 9

Height: 2 to 3 feet

Spread: 1.5 to 2 feet

Bloom Time: July to September

Bloom Color: Blue, Lavender

Bloom Description: Lavender blue

Sun: Full sun to part shade

Water: Medium

Maintenance: Low

Flowers: Showy Flowers

Leaves: Fragrant

Wildlife: Attracts Butterflies

Tolerates: Deer

Uses: Culinary Herb, Culture

Agastache Blue Fortune


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