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Agastache ‘Summer Glow’ (Hummingbird Mint)

Giant Hyssop 'Summer Glow', Hummingbird Mint 'Summer Glow'

Agastache 'Summer Glow', Giant Hyssop 'Summer Glow', Hummingbird Mint 'Summer Glow', Yellow Agastache, Yellow Hummingbird Plant, Hummingbird Flowers
Agastache 'Summer Glow', Giant Hyssop 'Summer Glow', Hummingbird Mint 'Summer Glow', Yellow Agastache, Yellow Hummingbird Plant, Hummingbird Flowers

Agastache ‘Summer Glow’ (Hummingbird Mint) is a compact perennial boasting dense, pale yellow flower spikes from early summer to fall. Blooming for weeks, the blossoms are extremely showy with their dark calyces and add lovely vertical lines to the landscape. Loved by bees and hummingbirds, they are borne atop an attractive clump of aromatic, deep green foliage that emits a licorice scent when crushed. Perfect for use in the perennial border or in large patio containers.

  • Grows up to 20-24 in. tall (50-60 cm) and 18 in. wide (45 cm). The aromatic leaves exude a minty scent when crushed.
  • Easily grown in full sun, in well-drained, fertile soils. Good drainage is particularly important. Although a drought-tolerant plant, it might need watering in extreme dry weather spells.
  • Provides a bold visual impact in beds and borders, cottage gardens, city gardens, butterfly gardens, or patio containers over a very long season.
  • Ideal to add color to the late-season garden when many other plants are fading.
  • Creates a stunning effect when mixed with other perennials or planted en masse.
  • Attracts streams of hummingbirds, butterflies, and other beneficial pollinators.
  • Generally disease and pest-free (might occasionally be subject to powdery mildew) and resistant to deer and rabbits.
  • Deadhead spent flowers to promote additional bloom. 
  • Propagate by division, or by semi-ripe cuttings.

Requirements

Hardiness 6 - 10
Heat Zones 5 - 12
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Lamiaceae
Genus Agastache
Common names Hummingbird Mint, Hyssop, Anise Hyssop
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" - 24"
(50cm - 60cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Showy
Tolerance Drought, Deer
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Patio And Containers
Garden Styles Gravel and Rock Garden, City and Courtyard, Informal and Cottage
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Alternative Plants to Consider

Agastache cana (Texas Hummingbird Mint)
Agastache ‘Raspberry Summer’ (Hummingbird Mint)
Agastache ‘Summer Fiesta’ (Hummingbird Mint)
Agastache ‘Kudos Red’ (Hummingbird Mint)
Agastache POQUITO Orange (Dwarf Hummingbird Mint)
Agastache ‘Morello’ (Hummingbird Mint)

Recommended Companion Plants

Coreopsis (Tickseed)
Echinacea (Coneflower)
Kniphofia (Red Hot Poker)
Eryngium (Sea Holly)

Find In One of Our Guides or Gardens

How to Create an Enchanting Butterfly Garden
For the Love of Butterflies: Best Flowers to Attract them to Your Garden
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How to Cultivate a Thriving Bee-Friendly Garden
Hummingbird
Wonderful Plants That Repel Insects
Agastache (Hyssop)
Best Flowers to Attract Hummingbirds
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 6 - 10
Heat Zones 5 - 12
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Lamiaceae
Genus Agastache
Common names Hummingbird Mint, Hyssop, Anise Hyssop
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" - 24"
(50cm - 60cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Showy
Tolerance Drought, Deer
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Patio And Containers
Garden Styles Gravel and Rock Garden, City and Courtyard, Informal and Cottage
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Agastache (Hyssop)
Guides with
Agastache (Hyssop)
Not sure which Agastache (Hyssop) to pick?
Compare Now

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