Skip to content
Log inStart trial

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

Culture

Sun
Full, Half
Water
Low
USDA zones
5–9

Shape & size

Classification

Type
Perennial
Family
Lamiaceae

See full data, regional cultivation notes, 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
Giant Hyssop (Agastache Hybrids) — reminiscent of mint or anise when crushed; the Giant Hyssop (Agastache hybrids) is a hardy perennial favored for its
Giant Hyssop (Agastache Hybrids) — Flower colors range from purples to pinks and whites, blooming from midsummer to fall; blue and lavender and, image 58
Giant Hyssop (Agastache Hybrids) — also adds a sensory aspect to the garden; with a spread of 1 to 3 feet, image 125
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
Giant Hyssop (Agastache Hybrids) — slow-release fertilizer in the spring to encourage vigorous growth.<br><br>Giant Hyssop's aromatic foliage; minimal
Photographs by 2 contributors

Related plants

African Blue Basil (Ocimum Basilicum 'African Blue') — is a perennial hybrid basil with a robust growth habit

Herb

African Blue Basil

Ocimum Basilicum 'African Blue'

FullUSDA 8–10
Alpine Mint Bush (Prostanthera Cuneata) — shrub for full or half or shade

Shrub

Alpine Mint Bush

Prostanthera Cuneata

FullUSDA 8–10
Amazel Basil® Sweet Italian Basil (Ocimum basilicum) — The Ocimum is a vigorous sweet Italian basil with glossy green

Amazel Basil® Sweet Italian Basil

Ocimum basilicum

Full
Anise- Scented Sage (Salvia Guaranitica) — Deadheading spent flowers can promote continuous blooming

Perennial

Anise- Scented Sage

Salvia Guaranitica

FullUSDA 9–10
Anne Greenway Dead Nettle (Lamium Maculatum 'Anne Greenway') — is a vibrant and low-maintenance perennial perfect for brightening up shaded areas in the

Ground cover

Anne Greenway Dead Nettle

Lamium Maculatum 'Anne Greenway'

HalfUSDA 3–8
Annual Lion's Ear (Leonotis Nepetifolia) — bright orange blooms resembling a lion's mane

Annual

Annual Lion's Ear

Leonotis Nepetifolia

FullUSDA 8–10