Indigo Agastache Agastache 'Astello Indigo'
Other Common Name(s):
- Phonetic Spelling
- ag-ah-STA-kee
- Description
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Astello indigo is a hybrid hyssop in the mint family (Lamiaceae) and grows vigorously to 20 inches tall in a compact clump.
Plant in full to part sun in well-drained soils. It is drought and heat-tolerant and disease-resistant. Poorly drained soils and wet wet winter feet will do it in. Use a container or raised bed if needed.
The deep green leaves are arranged oppositely on square stems and smell a little like rootbeer when crushed. The upright spikes are fully covered with deep indigo-blue flowers that exude a fresh minty scent that attracts butterflies and bees
Grow this plant in containers, a pollinator garden, in the border and mass plantings. The plant provides vertical interest to the garden In colder climates, it can be grown as an annual. It provides a long season of blooms and attracts many pollinators to the landscape.
Insects, Diseases, and Other Plant Problems: Crown rot in wet soils. No significant problems. Watch for Spider mites, thrips, aphids, whitefly, and slugs.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Agastache
- Family:
- Lamiaceae
- Life Cycle:
- Perennial
- Wildlife Value:
- Flowers attract butterflies, hummingbirds, birds, and bees.
- Play Value:
- Attracts Pollinators
- Wildlife Food Source
- Particularly Resistant To (Insects/Diseases/Other Problems):
- Deer and rabbit resistant
- Dimensions:
- Height: 0 ft. 6 in. - 1 ft. 8 in.
- Width: 1 ft. 2 in. - 1 ft. 8 in.
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Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Perennial
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- 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)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Loam (Silt)
- Sand
- Soil pH:
- Acid (<6.0)
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Occasionally Dry
- Available Space To Plant:
- Less than 12 inches
- 12 inches-3 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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Fruit:
- Fruit Type:
- Nut
- Fruit Description:
- Dry nutlet
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Flowers:
- Flower Color:
- Blue
- Purple/Lavender
- Flower Inflorescence:
- Spike
- Flower Value To Gardener:
- Fragrant
- Good Cut
- Good Dried
- Long Bloom Season
- Flower Bloom Time:
- Fall
- Summer
- Flower Shape:
- Lipped
- Tubular
- Flower Petals:
- 2-3 rays/petals
- Flower Size:
- < 1 inch
- Flower Description:
- Indigo blue flowers have a minty fragrance from summer through fall. Produces many small tubular blooms on tall spikes. Blooms are blue surrounded by deep purple bracts.
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Green
- Leaf Value To Gardener:
- Fragrant
- Leaf Type:
- Simple
- Leaf Arrangement:
- Opposite
- Leaf Margin:
- Serrate
- Hairs Present:
- No
- Leaf Description:
- Bright green leaves are slightly serrated and have a rootbeer fragrance.
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Stem:
- Stem Color:
- Green
- Stem Is Aromatic:
- No
- Stem Cross Section:
- Square
- Stem Description:
- Strong square green stems
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Landscape:
- Landscape Location:
- Container
- Naturalized Area
- Landscape Theme:
- Butterfly Garden
- Cutting Garden
- Drought Tolerant Garden
- Pollinator Garden
- Design Feature:
- Border
- Mass Planting
- Attracts:
- Bees
- Butterflies
- Hummingbirds
- Pollinators
- Songbirds
- Resistance To Challenges:
- Deer
- Drought
- Rabbits
