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 5–9

Giant Hyssop (Agastache Hybrids) — The Giant Hyssop (Agastache hybrids) is a hardy perennial favored for its striking spires of tubular flowers

Culture

Sun: Full, Half
Water: Low
USDA zones: 5–9

Shape & size

Classification

Family: Lamiaceae

See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.

Start your 14-day trial

Photos (126)

Giant Hyssop (Agastache Hybrids) — and as an accent among lower-growing perennials; attracting hummingbirds and butterflies, image 74

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) — Minimal maintenance is required; known for its ease of cultivation and long blooming period, image 75

Giant Hyssop (Agastache Hybrids) — though deadheading can promote additional blooming and prevent self-seeding if desired; reminiscent of mint or, image 76

Giant Hyssop (Agastache Hybrids) — For landscape design purposes, image 77

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) — 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) — perennial with blue and lavender and orange and pink and purple and red and violet and yellow blooms; also adds, image 80

Giant Hyssop (Agastache Hybrids) — perennial for full or half; creating a cohesive and dynamic garden plot, image 81

Giant Hyssop (Agastache Hybrids) — The Giant Hyssop (Agastache hybrids) is a hardy perennial favored for its striking spires of tubular flowers, image 82

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) — attracting hummingbirds and butterflies; providing a generous display that attracts hummingbirds, image 83

Giant Hyssop (Agastache Hybrids) — Flower colors range from purples to pinks and whites, blooming from midsummer to fall; blue and lavender and, image 85

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) — The Giant Hyssop (Agastache hybrids) stands out in the landscape with its upright; it prefers well-drained soils, image 87

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 88

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) — The flowers bloom from midsummer to fall; ideal conditions would include a soil pH ranging between 6.0 and 8.0, image 91

Giant Hyssop (Agastache Hybrids) — Known for its ease of cultivation and long blooming period; the Giant Hyssop (Agastache hybrids) stands out in, image 90

Giant Hyssop (Agastache Hybrids) — with a light application of a balanced, image 95

Giant Hyssop (Agastache Hybrids) — slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant Hyssop's aromatic foliage, image 96

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) — reminiscent of mint or anise when crushed; the Giant Hyssop (Agastache hybrids) is a hardy perennial favored for, image 97

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 94

Related plants

White Nancy Dead Nettle (Lamium Maculatum 'White Nancy') — Lamium maculatum 'White Nancy' is a shade-loving perennial ground cover

White Nancy Dead Nettle

Lamium Maculatum 'White Nancy'

Deep Shade · Zones 3–10

Hidcote English Lavender (Lavandula angustifolia 'Hidcote') — The Hidcote English Lavender (Lavandula angustifolia 'Hidcote') is a compact evergreen shrub

Hidcote English Lavender

Lavandula angustifolia 'Hidcote'

Full · Zones 9–11

Seer's Sage (Salvia divinorum) — Seer's Sage (Salvia divinorum) is a psychoactive perennial

Seer's Sage

Salvia divinorum

Shade · Zones 7–9

Purple Haze Hummingbird Mint (Agastache 'Purple Haze') — commonly known as Purple Haze Hummingbird Mint

Purple Haze Hummingbird Mint

Agastache 'Purple Haze'

Full · Zones 5–10

Sticky Jerusalem Sage (Phlomis russeliana) — commonly known as Sticky Jerusalem Sage

Sticky Jerusalem Sage

Phlomis russeliana

Full · Zones 4–10

Swedish Ivy (Plectranthus verticillatus) — The Swedish Begonia, Plectranthus australis, is a versatile, evergreen perennial

Swedish Ivy

Plectranthus verticillatus

Half · Zones 10–11