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Giant Hyssop

Agastache Hybrids

Design with this plant

Overview

The Giant Hyssop (Agastache hybrids) is a hardy perennial favored for its striking spires of tubular flowers, attracting hummingbirds and butterflies. These fragrant, herbaceous plants typically reach heights of 2 to 5 feet and thrive in well-drained soil. Flower colors range from purples to pinks and whites, blooming from midsummer to fall. Space them about 1 to 3 feet apart in full sun to moderate shade for a vibrant, aromatic display.

Sun Full, HalfWater LowZones 5–9Type Perennial
Giant Hyssop (Agastache Hybrids) — creating a cohesive and dynamic garden plot; these fragrant, herbaceous plants typically reach heights of 2 to 5, image 105
Giant Hyssop (Agastache Hybrids) — It prefers well-drained soils and performs best in full sun, although it can tolerate partial shade; perennial, image 66Giant Hyssop (Agastache Hybrids) — reminiscent of mint or anise when crushed; the Giant Hyssop (Agastache hybrids) is a hardy perennial favored for, image 124Giant Hyssop (Agastache Hybrids) — slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant Hyssop's aromatic foliage, image 123Giant Hyssop (Agastache Hybrids) — The flowers bloom from midsummer to fallGiant Hyssop (Agastache Hybrids) — with a light application of a balanced, image 95Giant Hyssop (Agastache Hybrids) — perennial for full or half+119

Culture

Sun
Full, Half
Water
Low
USDA zones
5–9

Shape & size

Classification

Type
Perennial
Family
Lamiaceae

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Photos (126)

Giant Hyssop (Agastache Hybrids) — creating a cohesive and dynamic garden plot; these fragrant, herbaceous plants typically reach heights of 2 to 5, image 105
Giant Hyssop (Agastache Hybrids) — It prefers well-drained soils and performs best in full sun, although it can tolerate partial shade; perennial, image 66
Giant Hyssop (Agastache Hybrids) — reminiscent of mint or anise when crushed; the Giant Hyssop (Agastache hybrids) is a hardy perennial favored for, image 124
Giant Hyssop (Agastache Hybrids) — slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant Hyssop's aromatic foliage, image 123
Giant Hyssop (Agastache Hybrids) — The flowers bloom from midsummer to fall
Giant Hyssop (Agastache Hybrids) — with a light application of a balanced, image 95
Giant Hyssop (Agastache Hybrids) — perennial for full or half
Giant Hyssop (Agastache Hybrids) — It prefers well-drained soils and performs best in full sun, although it can tolerate partial shade; perennial, image 120
Giant Hyssop (Agastache Hybrids) — with a light application of a balanced, image 122
Giant Hyssop (Agastache Hybrids) — creating a cohesive and dynamic garden plot; these fragrant, herbaceous plants typically reach heights of 2 to 5, image 78
Giant Hyssop (Agastache Hybrids) — Minimal maintenance is required
Giant Hyssop (Agastache Hybrids) — It prefers well-drained soils and performs best in full sun, although it can tolerate partial shade; perennial, image 93
Giant Hyssop (Agastache Hybrids) — with a spread of 1 to 3 feet; perennial with blue and lavender and orange and pink and purple and red and violet, image 89
Giant Hyssop (Agastache Hybrids) — with a light application of a balanced
Giant Hyssop (Agastache Hybrids) — and as an accent among lower-growing perennials; attracting hummingbirds and butterflies, image 74
Giant Hyssop (Agastache Hybrids) — clump-forming habit and reaches a mature height of about 2 to 5 feet; this plant works exceptionally well in borders
Giant Hyssop (Agastache Hybrids) — Known for its ease of cultivation and long blooming period; the Giant Hyssop (Agastache hybrids) stands out in, image 117
Giant Hyssop (Agastache Hybrids) — blue and lavender and orange and pink and purple and red and violet and yellow flowers in the garden; the, image 106
Giant Hyssop (Agastache Hybrids) — Space them about 1 to 3 feet apart in full sun to moderate shade for a vibrant, aromatic display, image 86
Giant Hyssop (Agastache Hybrids) — For landscape design purposes
Giant Hyssop (Agastache Hybrids) — These fragrant, herbaceous plants typically reach heights of 2 to 5 feet and thrive in well-drained soil
Giant Hyssop (Agastache Hybrids) — and as an accent among lower-growing perennials
Giant Hyssop (Agastache Hybrids) — For landscape design purposes, image 50
Giant Hyssop (Agastache Hybrids) — perennial with blue and lavender and orange and pink and purple and red and violet and yellow blooms; also adds, image 80
Photographs by 14 contributors

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