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Yellow Giant-hyssop

Agastache nepetoides

Found in woodlands and forests, generally over calcareous or mafic rocks. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

49
Good

Native to Virginia. How scores work Is it native here?

Profile 94%

Height
4–6 feet
Spread
1–3 feet
Light
Part sun
Soil moisture
Somewhat dry to moist

Space about 2 ft apart from its recorded spread, about 25 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
July to September
Fruiting season
September to October

Not yet recorded · Leaves

Recorded in 57 Virginia counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 61 animals.

All wildlife of Virginia

Ecological relationships

Who uses this plant?

What these records mean

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
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Flies 1
  • Exoprosopa fasciata

Flower visits · Carlinville, Illinois, USA

Adult butterflies / moths 1
  • Anosia plexippus

Flower visits · Carlinville, Illinois, USA

Other wasps 1
  • Sphex nigricans

Flower visits · Carlinville, Illinois, USA

No records yet · Ants · Beetles · Other insects

Growing and identification

Plant details

Family
Lamiaceae
Hardiness
Zones 2–8
Flower color
Cream
Fruit begins
September
Fruit ends
October

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Yellow Giant Hyssop

Conservation status

Virginia rankS5
Global rankG5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources