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Slender Pedicularis

Pedicularis attollens

Last reviewed: August 2026

Slender Pedicularis (Pedicularis attollens)
Photo: Jim Morefield from Nevada, USA / Wikimedia Commons (CC BY-SA 2.0)

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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