Agastache Species, Purple Giant Hyssop, Lavender Hyssop, Anise Hyssop

Agastachescrophulariifolia

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Agastache (ah-gas-TAH-kee)
Species
scrophulariifolia (skrof-yoo-lar-ee-eye-FOH-lee-uh)
Synonym
Hyssopus catariifolius
Hyssopus scrophulariifolius
Lophanthus scrophulariifolius
Vleckia cordifolia
Vleckia scrophularifolia
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Shiny/Glossy
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
Bloom Color
Medium Purple
Bloom Time
Late Summer/Early Fall
Other Details
Category
Herbs
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Riverside, California

Downers Grove, Illinois

Barbourville, Kentucky

Pownal, Maine

Clinton, New Jersey

Frenchtown, New Jersey

Voorhees, New Jersey

Charlotte, North Carolina

Kernersville, North Carolina

Pittsburgh, Pennsylvania

Rumford, Rhode Island

Conway, South Carolina

North Augusta, South Carolina

Signal Mountain, Tennessee

Soddy Daisy, Tennessee

Leesburg, Virginia

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Gardener's Notes:

2
positives
0
neutral
0
negative
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M
Pownal, ME (Zone 5b) | August 2014 | positive

A wonderful native (to the eastern US) plant for the back of the border (mine are 6 feet or more) or damp meadow. The sturdy stems (no s...Read More

A
Watkinsville, GA | March 2006 | positive

This native plant is currently listed as endangered in Connecticut.

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