Jagged Chickweed
Holosteum umbellatum
Last reviewed: August 2026

Toxicity unknown
Jagged Chickweed (Holosteum umbellatum) 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"–12" H × 2"–6" W
Bloom
Mar, Apr, May
Pollinators
bees, beetles
Native alternatives to Jagged Chickweed
Jagged Chickweed is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.
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 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaJagged chickweed is a small annual wildflower that forms low mats of delicate foliage topped with tiny white flowers in spring. This diminutive plant blooms from March through May before completing its life cycle.
In an HOA neighborhood
Jagged Chickweed 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 growth pattern creates bare spots after die-back
- Small weedy appearance may not meet landscaping standards
- Can spread unpredictably through self-seeding
Wildlife value
The small white flowers provide early season nectar for bees and beetles when few other plants are blooming.
Common questions
- How much sun does Jagged Chickweed need?
- Jagged Chickweed grows best in full sun conditions.
- When does Jagged Chickweed bloom?
- Jagged Chickweed blooms in March, April, and May.
- What pollinators does Jagged Chickweed attract?
- Jagged Chickweed draws bees and beetles.
- Is Jagged Chickweed HOA-friendly?
- Jagged Chickweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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 Jagged Chickweed? 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
Not sure where to start? Take the 2-minute yard quiz


