Pennsylvania Pellitory
Parietaria pensylvanica
Last reviewed: August 2026

Toxicity unknown
Pennsylvania Pellitory (Parietaria pensylvanica) 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
part shade
Water
medium
Size
4"–20" H × 4"–12" W
Bloom
May, Jun, Jul, Aug
Native to
AL, AR, AZ, CA and 41 more states
Pollinators
beetles, flies
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Pennsylvania pellitory is a small annual wildflower that grows in clumps with small, inconspicuous flowers from spring through late summer. This native plant thrives in partial shade and prefers medium moisture conditions, making it suitable for woodland gardens or shaded borders.
In an HOA neighborhood
Pennsylvania Pellitory 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.
- Very weedy appearance with inconspicuous flowers
- Annual nature means gaps and inconsistent coverage
- Common name includes 'pellitory' which sounds like a weed
Wildlife value
The small flowers attract beetles and flies throughout the growing season. As an annual, it provides consistent nectar sources during its extended bloom period.
Common questions
- How much sun does Pennsylvania Pellitory need?
- Pennsylvania Pellitory grows best in part shade conditions.
- When does Pennsylvania Pellitory bloom?
- Pennsylvania Pellitory blooms in May, June, July, and August.
- Where is Pennsylvania Pellitory native?
- Pennsylvania Pellitory (Parietaria pensylvanica) is native to AL, AR, AZ, CA and 41 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Pennsylvania Pellitory attract?
- Pennsylvania Pellitory draws beetles and flies.
- Is Pennsylvania Pellitory HOA-friendly?
- Pennsylvania Pellitory takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Pennsylvania Pellitory? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz