Giant Hyssop Agastache
Other Common Name(s):
Other plants called Giant Hyssop:
- Phonetic Spelling
- ag-ah-STA-kee
- Description
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Giant Hyssop is an herbaceous perennial in the mint family of which most are native to North America and many from the southwest. They are showy, fragrant, long-blooming perennials with spikes of flowers that bloom most of the summer. Colors range from white to blue and shades of red and purple. Giant Hyssops are essential for a pollinator-friendly garden and have excellent resistance to browsing deer and rabbits. They are also heat and drought tolerant.
Well-drained soils are essential for this plant and wet winter feet in poorly drained soil will do them in. Plant in a raised bed or container if you have heavy soil. Use in a pollinator garden, rock garden or naturalized areas.
- See this plant in the following landscape:
- Children's Secret Garden at Wilson Botanical Gardens
- Cultivars / Varieties:
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'Acapulco Orange'
- 'Pink Pearl'
Pink Flowers
'Purple Haze'
Orange tubular flowers 'Astello Indigo'
Fragrant, deep indigo-blue flowers with a minty scent 'Black Adder'
Violet-red flowers 'Blue Boa'
Blue flowers, shorter than 'Blue Fortune' 'Blue Fortune'
Blue flowers 'Firebird'
Coral orange fragrant flowers 'Kudos Ambrosia'
Aromatic foliage helps deter deer
Blue-purple flowers 'Red Happiness'
Red tubular flowers 'TNAGAPO'
Lovely licorice-scent to the flowers and leaves - 'Pink Pearl'
- 'Acapulco Orange', 'Astello Indigo', 'Black Adder', 'Blue Boa', 'Blue Fortune', 'Firebird', 'Kudos Ambrosia', 'Pink Pearl', 'Purple Haze', 'Red Happiness', 'TNAGAPO'
- Tags:
- Cultivars / Varieties:
-
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'Acapulco Orange'
- 'Pink Pearl'
Pink Flowers
'Purple Haze'
Orange tubular flowers 'Astello Indigo'
Fragrant, deep indigo-blue flowers with a minty scent 'Black Adder'
Violet-red flowers 'Blue Boa'
Blue flowers, shorter than 'Blue Fortune' 'Blue Fortune'
Blue flowers 'Firebird'
Coral orange fragrant flowers 'Kudos Ambrosia'
Aromatic foliage helps deter deer
Blue-purple flowers 'Red Happiness'
Red tubular flowers 'TNAGAPO'
Lovely licorice-scent to the flowers and leaves - 'Pink Pearl'
- 'Acapulco Orange', 'Astello Indigo', 'Black Adder', 'Blue Boa', 'Blue Fortune', 'Firebird', 'Kudos Ambrosia', 'Pink Pearl', 'Purple Haze', 'Red Happiness', 'TNAGAPO'
- Tags:
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Attributes:
- Genus:
- Agastache
- Family:
- Lamiaceae
- Life Cycle:
- Perennial
- Recommended Propagation Strategy:
- Division
- Seed
- Stem Cutting
- Country Or Region Of Origin:
- North America
- Wildlife Value:
- Deer and rabbit resistant. Attracts pollinators and hummingbirds.
- Edibility:
- Leaves can be used in teas
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Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Perennial
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Clumping
- Erect
- Growth Rate:
- Medium
- Maintenance:
- Low
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Soil Texture:
- Loam (Silt)
- Sand
- Shallow Rocky
- Soil pH:
- Acid (<6.0)
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Occasionally Dry
- Available Space To Plant:
- 3 feet-6 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b
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Fruit:
- Display/Harvest Time:
- Fall
- Fruit Type:
- Capsule
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Flowers:
- Flower Color:
- Blue
- Pink
- Purple/Lavender
- Red/Burgundy
- White
- Flower Inflorescence:
- Spike
- Flower Value To Gardener:
- Fragrant
- Showy
- Flower Bloom Time:
- Summer
- Flower Shape:
- Tubular
- Flower Petals:
- 2-3 rays/petals
- Flower Size:
- < 1 inch
- Flower Description:
- Upright spikes of tubular, two-lipped flowers at the stem tips in summer. Colors are blue, reds, pinks and white.
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Green
- Leaf Value To Gardener:
- Fragrant
- Leaf Type:
- Simple
- Leaf Shape:
- Lanceolate
- Leaf Margin:
- Serrate
- Hairs Present:
- No
- Leaf Length:
- 3-6 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- Most have toothed lance-shaped green leaves. Size varies with the species.
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Stem:
- Stem Is Aromatic:
- No
- Stem Cross Section:
- Square
- Stem Description:
- Square green stems
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Landscape:
- Landscape Location:
- Container
- Naturalized Area
- Landscape Theme:
- Cottage Garden
- Drought Tolerant Garden
- Garden for the Blind
- Pollinator Garden
- Design Feature:
- Border
- Small groups
- Attracts:
- Bees
- Butterflies
- Hummingbirds
- Resistance To Challenges:
- Deer
- Drought
- Rabbits