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Broom Milkwort

Polygala scoparioides

Last reviewed: August 2026

Broom Milkwort (Polygala scoparioides)
Photo: Patrick Alexander from Las Cruces, NM / Wikimedia Commons (CC0)

Toxicity unknown

Broom Milkwort (Polygala scoparioides) 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"–16" H × 4"–12" W

Bloom

May, Jun, Jul, Aug

Native to

AZ, NM, TX

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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Broom milkwort is a compact annual wildflower that forms small, bushy clumps in desert gardens. It produces delicate flowers from May through August and requires minimal water once established.

In an HOA neighborhood

Broom Milkwort 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 lifespan creates gaps in landscaping
  • Small size and informal appearance looks weedy
  • Unpredictable germination timing

Wildlife value

This plant attracts bees and beetles during its extended blooming period from late spring through summer.

Common questions

How much sun does Broom Milkwort need?
Broom Milkwort grows best in full sun conditions.
When does Broom Milkwort bloom?
Broom Milkwort blooms in May, June, July, and August.
Where is Broom Milkwort native?
Broom Milkwort (Polygala scoparioides) is native to AZ, NM, TX, per the World Checklist of Vascular Plants (Kew).
What pollinators does Broom Milkwort attract?
Broom Milkwort draws bees and beetles.
Is Broom Milkwort HOA-friendly?
Broom Milkwort 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 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.

See all plant problem guides

Ready to grow Broom Milkwort? 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