Slender Pedicularis
Pedicularis attollens
Last reviewed: August 2026

Toxicity unknown
Slender Pedicularis (Pedicularis attollens) 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 sun
Water
low
Size
2"–12" H × 2"–6" W
Bloom
May, Jun, Jul
Native to
CA, NV, OR
Before you buy
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Slender pedicularis is a small native annual wildflower that grows 2-12 inches tall with delicate stems and foliage. It produces small flowers from May through July and requires minimal water once established.
In an HOA neighborhood
Slender Pedicularis 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.
- Annual lifespan creates gaps in landscaping
- Small size and delicate appearance may look weedy
- Unknown leaf retention makes seasonal appearance unpredictable
Wildlife value
It likely supports specialized native pollinators and beneficial insects during its blooming period. The small stature and annual nature provide seasonal habitat value.
Common questions
- How much sun does Slender Pedicularis need?
- Slender Pedicularis grows best in part sun conditions.
- When does Slender Pedicularis bloom?
- Slender Pedicularis blooms in May, June, and July.
- Where is Slender Pedicularis native?
- Slender Pedicularis (Pedicularis attollens) is native to CA, NV, OR, per vouchered herbarium specimen records and regional native plant society lists.
- Is Slender Pedicularis HOA-friendly?
- Slender Pedicularis 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.
Ready to grow Slender Pedicularis? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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