Shieldplant
Streptanthus tortuosus
Last reviewed: August 2026

Toxicity unknown
Shieldplant (Streptanthus tortuosus) 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
4"–24" H × 2"–12" W
Bloom
May, Jun, Jul
Native to
CA, NV, OR
Pollinators
bees, butterflies
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 437 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
Shieldplant is a compact native wildflower that produces delicate clusters of small flowers in late spring and summer. This drought-tolerant perennial maintains a low, tidy profile and thrives in sunny, dry conditions with minimal water requirements.
In an HOA neighborhood
Shieldplant 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.
- Appears too wild and informal for most HOA standards
- May be perceived as weedy by neighbors unfamiliar with native plants
- Unknown leaf retention could create untidy appearance in off-season
Wildlife value
The flowers attract native bees and butterflies during the May through July bloom period. This plant provides important nectar resources for pollinators during the late spring and early summer months.
Common questions
- How much sun does Shieldplant need?
- Shieldplant grows best in full sun conditions.
- When does Shieldplant bloom?
- Shieldplant blooms in May, June, and July.
- Where is Shieldplant native?
- Shieldplant (Streptanthus tortuosus) is native to CA, NV, OR, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Shieldplant attract?
- Shieldplant draws bees and butterflies.
- Is Shieldplant HOA-friendly?
- Shieldplant 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 Shieldplant? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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