Deltoid balsamroot
Balsamorhiza deltoidea
Last reviewed: September 2026
Deltoid balsamroot (Balsamorhiza deltoidea) is a perennial forb native to CA, OR, WA. It blooms in April, May, and June. The flowers draw bees and butterflies.
Toxicity unknown
Deltoid balsamroot (Balsamorhiza deltoidea) 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 × 18"–30" W
Bloom
Apr, May, Jun
Native to
CA, OR, WA
Pollinators
bees, butterflies
Before you buy
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A large-taprooted perennial that forms a bold rosette of heart-shaped leaves, sending up tall stems tipped with big yellow daisy flowers in spring. Its deep taproot makes it very long-lived once established.
Growing Deltoid balsamroot
Grow Deltoid balsamroot in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 18 to 30 inches wide.
Wildlife value
The large, showy flower heads are a strong spring nectar source for bees and early-season butterflies.
Common questions
- How much sun does Deltoid balsamroot need?
- Deltoid balsamroot grows best in full sun conditions.
- When does Deltoid balsamroot bloom?
- Deltoid balsamroot blooms in April, May, and June.
- Where is Deltoid balsamroot native?
- Deltoid balsamroot (Balsamorhiza deltoidea) is native to CA, OR, WA, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Deltoid balsamroot attract?
- Deltoid balsamroot draws bees and butterflies.
Native range data from the World Checklist of Vascular Plants (Kew). 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 Deltoid balsamroot? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.