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Agastache pallidiflora (Mountain giant hyssop)
Anderson, Wynn

Agastache pallidiflora

Agastache pallidiflora (A. Heller) Rydb.

Mountain Giant Hyssop

Lamiaceae (Mint Family)



USDA Native Status: L48 (N)


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Root Type: Fibrous
Leaf Retention: Semi-evergreen
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Size Notes: Up to about 4 feet tall.
Fruit: 4 nutlets.

Bloom Information

Bloom Color: White , Pink , Green , Purple , Violet
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov


USA: AZ , CO , NM , TX
Native Habitat: Moist canyons

Growing Conditions

Water Use: Medium
Light Requirement: Sun , Part Shade
Soil Moisture: Moist
Drought Tolerance: Medium
Cold Tolerant: yes
Heat Tolerant: yes


Conspicuous Flowers: yes
Fragrant Foliage: yes
Deer Resistant: Moderate


Propagation Material: Clump Division , Seeds , Semi-hardwood Cuttings , Softwood Cuttings

Web Reference

Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Webref 79 - Wildflowers of New Mexico (2020) George Oxford Miller

From the Archive

Wildflower Newsletter 1988 VOL. 5, NO.5 - Penny Campaign Grows Oklahoma Wildflowers, Wildflower Center Collects Honors, Di...

Additional resources

USDA: Find Agastache pallidiflora in USDA Plants
FNA: Find Agastache pallidiflora in the Flora of North America (if available)
Google: Search Google for Agastache pallidiflora


Record Modified: 2022-11-04
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