Purple Giant-hyssop
Agastache scrophulariifolia
Found in rich woodlands and forests, bottomlands. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 94%
- Height
- 6 feet
- Light
- Full to part sun
- Soil moisture
- Somewhat dry to moist

At a glance
- Life cycle
- Perennial
- Bloom
- July to September
- Fruiting season
- September to October
Not yet recorded · Spread · Leaves
Recorded in 30 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forest or woodland where the source does not say how moist or dry.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 95 animals.
- Spotted SandpiperActitis macularius
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
- Wild TurkeyMeleagris gallopavo
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-breasted ChatIcteria virens
- Yellow-rumped WarblerDendroica coronata
- American CrowCorvus brachyrhynchos
- American GoldfinchCarduelis tristis
- American RedstartSetophaga ruticilla
- American RobinTurdus migratorius
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
- Barred OwlStrix varia
- Belted KingfisherMegaceryle alcyon
- Black-and-White WarblerMniotilta varia
- Black-billed CuckooCoccyzus erythropthalmus
- Black-capped ChickadeePoecile atricapillus
- Black-throated Blue WarblerDendroica caerulescens
- Black-throated Green WarblerDendroica virens
- Blackburnian WarblerDendroica fusca
- Blue GrosbeakPasserina caerulea
- Blue JayCyanocitta cristata
Who uses this plant?
5CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Agastache
- Celastrina neglectaSummer Azure
- Diachrysia ballucaSplendid Brass Looper, Green-Patched Looper
- Herpetogramma pertextalisBold-Feathered Grass Moth
- Papaipema nebrisStalk Borer
- Herpetogramma aquilonalis
27BeesSoutheastern regional records
Southeastern regional records · Agastache
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0Flies 1
- Exoprosopa fasciata
Flower visits · Carlinville, Illinois, USA
No records yet · Ants · Beetles · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Lamiaceae
- Flower color
- Purple
- Fruit begins
- September
- Fruit ends
- October
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; Prairie Moon 2026 Cultural Guide differs) · Carolinas and Georgia
- Flower color · “Purple” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- Fruit begins · “September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Height · “6 feet” · Tennessee Smart Yards (ranked first; Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Life cycle · “Perennial” · Minnesota Wildflowers
- Light · “Full to part sun” · Tennessee Smart Yards (ranked first; Prairie Moon 2026 Cultural Guide differs) · Published Tennessee growing guidance; exact cached scientific heading
- primary_flower_color · “purple” · Prairie Moon 2026 Cultural Guide
- Soil · “moderately wet to moderately dry” · Tennessee Smart Yards (ranked first; Prairie Moon 2026 Cultural Guide differs) · Published Tennessee growing guidance; exact cached scientific heading
Also known as
Agastache scrophulariaefolia; Purple Giant Hyssop
Conservation status
| Virginia rank | S4 |
|---|---|
| Global rank | G4 |
| VA status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

























