Narrow-leaf Vervain
Verbena simplex
Last reviewed: August 2026
Verbena simplex (Narrow-leaf Vervain) is a native forb blooming May through September across eastern and central United States. This drought-tolerant wildflower attracts bees, butterflies, and moths in full sun gardens.
Toxicity unknown
Narrow-leaf Vervain (Verbena simplex) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–24" H × 6"–12" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
AL, AR, CT, DE and 26 more states
Pollinators
bees, butterflies, moths
Before you buy
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Narrow-leaf vervain is a compact native perennial that produces delicate spikes of small purple flowers from late spring through fall. This drought-tolerant wildflower forms neat clumps and works well in sunny gardens with minimal water requirements.
Growing Narrow-leaf Vervain
Grow Narrow-leaf Vervain in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Narrow-leaf Vervain takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Small flowers and narrow leaves give it a weedy appearance
- May be perceived as too wild or informal for front yards
- Unknown winter appearance could be problematic
Wildlife value
The long blooming period makes this an excellent pollinator plant, attracting bees, butterflies, and moths throughout the growing season. Its extended flowering time provides consistent nectar when many other plants have finished blooming.
Common questions
- When does Narrow-leaf Vervain bloom?
- Verbena simplex blooms from May through September, producing small purple flowers in spike-like clusters throughout the growing season.
- What pollinators visit Narrow-leaf Vervain?
- This native vervain attracts bees, butterflies, and moths with its nectar-rich flowers during its long blooming period.
- Where is Verbena simplex native?
- Narrow-leaf Vervain is native to much of the eastern and central United States, from the Great Lakes region south to the Gulf Coast and from the Great Plains to the Atlantic Coast.
- What growing conditions does Narrow-leaf Vervain prefer?
- Verbena simplex thrives in full sun locations with low water requirements, making it an excellent choice for drought-tolerant native plant gardens and prairie restorations.
- Is Narrow-leaf Vervain HOA-friendly?
- Narrow-leaf Vervain takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Narrow-leaf Vervain? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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