Hoary Vervain

Hoary Vervain

Verbena stricta

Plant Type
Forb (Deciduous)
Landscape Layer
Herbaceous
Sun
☀️ Full Sun, ⛅ Part Sun
Moisture
🏜️ Dry, 💧 Regular
Soil
Clay, Loam, Sand, Calcareous
Bloom
June, July, August, September
Sociability
S2 – Small groups

Pollinator Value

🐛 Larval Host
Crambodes talidiformis, Catabena lineolata, Papaipema nepheleptena, Phosphila miselioides, Autographa precationis, Megalographa biloba, Junonia coenia, Spilosoma virginica

S13+S15 8 verified Eastern NA

🐝 Specialist Bee Host
Calliopsis nebraskensis

S17 Calliopsis (Verbenapis) nebraskensis, specialist on Verbena; S68 4 records on Verbena stricta

❄️ Winter Food Source
Persistent seed spikes provide winter forage for granivorous birds including Mourning Dove (33% diet occurrence), Northern Bobwhite (28.5%), and California Quail (3.6%), as well as Lapland Longspur and Snow Bunting. Small mammals also consume seeds. Seeds are a staple for many drier prairie wildlife communities.

S57 9 bird species; S4 seeds consumed by small mammals and prairie-chickens

Ecology & Conservation

Proximity Score
3a
Native Status
✅ Outaouais ✅ Ottawa ✅ QC ✅ ON
Closest Direction
W
CEC Eco-Regions
8 – Eastern Temperate Forests, 8.1 – Mixed Wood Plains, 8.1.5 – Driftless Area
Rarity Notes
Imperiled (S2) in Quebec with 17 herbarium specimens spanning 1924-2021, mostly concentrated near Oka and the Ottawa River corridor. Not listed under SARA or COSEWIC. Apparently Secure (S4) in Ontario. Global rank G5. Quebec populations may represent the northeastern fringe of its native prairie range.

S22 S2 QC, G5; S26 not SARA listed; S54 17 QC specimens 1924-2021

Rarity Ranks
QC S2 – Imperiled, ON S4 – Apparently Secure
Migration
Stable
Ecological Context
A prairie and field species of dry, open habitats. In the Ottawa-Gatineau region it occurs at the eastern edge of its core range, found in alvars, dry sandy roadsides, and open calcareous meadows. Ranked S2 (Imperiled) in Quebec, where populations are concentrated near Oka and the Ottawa Valley on sandy or limestone substrates. More frequent across Ontario (S4) in dry prairies and disturbed open ground.

S22 S4 ON, S2 QC; S7 sandy fields, dry disturbed ground; S54 QC specimens at Oka, Grand Remous; S62 7 Ottawa sites

Permaculture & Companion Planting

Roles
Fortress/Barrier, Insectary Plant, Pollinator Attractor

S73/S29/S72 Evidence: Fortress/Barrier: S61 keyword match: thorns? (supporting signal only)] | Insectary Plant: S64 NPPBI 'beneficial insects' flag] | Pollinator Attractor: S73 [HIGH]: S64 Xerces listed (source-classified)]

Notes
Valuable pollinator attractor for dry prairie and meadow guilds. Attracts bumble bees, specialist bees (Calliopsis nebraskensis), and beneficial insects. Important nectar source for butterflies including the Common Buckeye, which uses it as a larval host. Pairs well with other dry prairie forbs and grasses in low-competition meadow plantings.

S64 NPPBI beneficial insects, bumble bee, specialist bee; S4 attracts butterflies

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

Click here for more info →

Category
Febrifuge, Stomachic, Gastrointestinal Aid

S29 Febrifuge, Stomachic; S28 Gastrointestinal Aid (Dakota Drug)

Notes
Dakota people used an infusion of leaves for stomachaches. The plant was considered specific for fever and ague in traditional use. Medicinal rating is low (1 of 5).

S28 Dakota Drug, Gastrointestinal Aid; S29 febrifuge, fever and ague; medicinal rating 1/5

Edibility & Foraging

Never ingest a plant unless you have 100% certainty of its identity and have consulted multiple reputable sources. The information provided in the Localeaf Plant Database is compiled from secondary sources for educational and historical purposes only.

Click here for more info →

✅ Edible   

Foraging Notes
Omaha people used the leaves to make a hot, aqueous, tea-like beverage. Edibility rating is low (1 of 5).

S28 Omaha Food, Beverage; S29 edibility rating 1/5

Seed Source

  • Blue Sea
  • Localeaf
  • OWSL
Hoary Vervain