Smallflower Phacelia
Phacelia dubia
Last reviewed: August 2026
Smallflower Phacelia is a low forb that blooms from March through May, showing small pale blue-violet flowers in rocky woodlands, glades, and open slopes with part shade and medium moisture.
Toxicity unknown
Smallflower Phacelia (Phacelia dubia) 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"–16" H × 4"–12" W
Bloom
Mar, Apr, May
Native to
AL, AR, DE, GA and 12 more states
Pollinators
bees, butterflies, moths
Before you buy
Your city may pay you to plant this
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Smallflower phacelia is a low-growing annual wildflower that produces small blue to purple flowers in spring. This compact native plant forms neat clumps and provides early season color when many other plants are just emerging.
Growing Smallflower Phacelia
Grow Smallflower Phacelia in part shade and medium water. Mature plants reach 4 to 16 inches tall and spread 4 to 12 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Smallflower Phacelia takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Annual lifecycle means gaps when plants die
- Small flowers may appear weedy to HOAs
- Unpredictable reseeding creates uneven appearance
Wildlife value
The flowers are valuable early nectar sources for native bees, butterflies, and moths when few other blooms are available. It's particularly important for supporting pollinators during the critical spring emergence period.
Common questions
- When does Smallflower Phacelia bloom?
- Smallflower Phacelia typically flowers from March through May, with peak bloom often in April depending on local spring temperatures.
- What pollinators visit Smallflower Phacelia?
- Bees, butterflies, and moths are commonly seen visiting the small clustered flowers of Smallflower Phacelia during its spring bloom period.
- What growing conditions suit Smallflower Phacelia best?
- This forb does well in part shade with medium moisture and well-drained soil, often found on rocky slopes, glades, and open woodland edges.
- Is Smallflower Phacelia a good choice for a spring wildflower garden?
- Yes, its compact size, early spring bloom, and appeal to bees and butterflies make it a fitting addition to a naturalized or rock garden setting.
- Is Smallflower Phacelia HOA-friendly?
- Smallflower Phacelia takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
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 Smallflower Phacelia? 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
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