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Giant Hyssop

Agastache Hybrids

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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

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) — Known for its ease of cultivation and long blooming period; the Giant Hyssop (Agastache hybrids) stands out in, image 63
Giant Hyssop (Agastache Hybrids) — These fragrant, herbaceous plants typically reach heights of 2 to 5 feet and thrive in well-drained soil; due to, image 57
Giant Hyssop (Agastache Hybrids) — though deadheading can promote additional blooming and prevent self-seeding if desired; reminiscent of mint or, image 103
Giant Hyssop (Agastache Hybrids) — and as an accent among lower-growing perennials; attracting hummingbirds and butterflies, image 101
Giant Hyssop (Agastache Hybrids) — clump-forming habit and reaches a mature height of about 2 to 5 feet; this plant works exceptionally well in, image 61
Giant Hyssop (Agastache Hybrids) — slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant Hyssop's aromatic foliage
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 107
Giant Hyssop (Agastache Hybrids) — Space them about 1 to 3 feet apart in full sun to moderate shade for a vibrant, aromatic display, image 59
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 and yellow
Giant Hyssop (Agastache Hybrids) — Due to its vertical stature; slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant, image 72
Giant Hyssop (Agastache Hybrids) — also adds a sensory aspect to the garden; with a spread of 1 to 3 feet, image 98
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 116
Giant Hyssop (Agastache Hybrids) — Space them about 1 to 3 feet apart in full sun to moderate shade for a vibrant, aromatic display
Giant Hyssop (Agastache Hybrids) — also adds a sensory aspect to the garden; with a spread of 1 to 3 feet
Giant Hyssop (Agastache Hybrids) — These fragrant, herbaceous plants typically reach heights of 2 to 5 feet and thrive in well-drained soil; due to, image 84
Giant Hyssop (Agastache Hybrids) — blue and lavender and orange and pink and purple and red and violet and yellow flowers in the garden; the flowers bloom from
Giant Hyssop (Agastache Hybrids) — The Giant Hyssop (Agastache hybrids) is a hardy perennial favored for its striking spires of tubular flowers, image 55
Giant Hyssop (Agastache Hybrids) — attracting hummingbirds and butterflies; providing a generous display that attracts hummingbirds
Giant Hyssop (Agastache Hybrids) — For landscape design purposes, image 104
Giant Hyssop (Agastache Hybrids) — Known for its ease of cultivation and long blooming period
Giant Hyssop (Agastache Hybrids) — The flowers bloom from midsummer to fall; ideal conditions would include a soil pH ranging between 6.0 and 8.0, image 118
Giant Hyssop (Agastache Hybrids) — Ideal conditions would include a soil pH ranging between 6.0 and 8.0; clump-forming habit and reaches a mature, image 67
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 79
Giant Hyssop (Agastache Hybrids) — blue and lavender and orange and pink and purple and red and violet and yellow flowers in the garden
Photographs by 13 contributors

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