Northern Starwort
Stellaria calycantha
Last reviewed: August 2026

Toxicity unknown
Northern Starwort (Stellaria calycantha) 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"–12" H × 4"–8" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT and 6 more states
Pollinators
bees, beetles
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 445 programs across 44 states, each with a link to the provider and the date we last checked it.
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Stellaria calycantha is a low-growing native perennial that forms small clumps of delicate foliage in partially shaded areas. This diminutive wildflower produces tiny white blooms from May through July and thrives with moderate moisture. Its compact size makes it suitable for understory plantings and naturalized areas.
In an HOA neighborhood
Northern Starwort 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.
- Very small stature may appear weedy or unkempt
- Unknown leaf retention could mean messy dormant appearance
- Tiny flowers lack visual impact for formal landscaping
Wildlife value
The small flowers attract native bees and beetles during the spring and summer blooming period. Its low growth habit provides ground-level habitat for beneficial insects.
Common questions
- How much sun does Northern Starwort need?
- Northern Starwort grows best in part shade conditions.
- When does Northern Starwort bloom?
- Northern Starwort blooms in May, June, and July.
- Where is Northern Starwort native?
- Northern Starwort (Stellaria calycantha) is native to CA, CO, ID, MT and 6 more states, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Northern Starwort attract?
- Northern Starwort draws bees and beetles.
- Is Northern Starwort HOA-friendly?
- Northern Starwort 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 Northern Starwort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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