White Rosinweed
Silphium albiflorum
Last reviewed: September 2026
White rosinweed is a sun-loving prairie forb that blooms from March through August, needs little water once established, and draws bees, butterflies, and other nectar insects to its white, yellow-centered flowers.
Toxicity unknown
White Rosinweed (Silphium albiflorum) 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"–36" H × 12"–36" W
Bloom
Mar, Apr, May, Jun, Jul, Aug
Native to
TX
Pollinators
butterflies, bees, nectar insects
Before you buy
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White Rosinweed is a compact native perennial that produces cheerful white daisy-like flowers from spring through late summer. This drought-tolerant plant forms neat clumps and stays relatively low, making it manageable in cultivated landscapes.
Growing White Rosinweed
Grow White Rosinweed in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
White Rosinweed is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The long blooming period provides nectar for butterflies, native bees, and other beneficial insects from March through August. This extended flowering season makes it particularly valuable for supporting pollinators throughout the growing season.
Common questions
- When does white rosinweed bloom?
- White rosinweed blooms over a long stretch, typically from March through August, producing white ray flowers with a yellow center disk.
- What pollinators visit white rosinweed?
- Bees, butterflies, and other nectar-seeking insects regularly visit the flowers for pollen and nectar.
- How much water does white rosinweed need?
- It is a low water plant once established, tolerating dry, well-drained soils and periods without rain.
- Does white rosinweed die back in winter?
- Yes, it is a deciduous herbaceous forb that dies back to the ground after the growing season and regrows from its rootstock.
- What kind of light does white rosinweed need to grow well?
- It performs best in full sun and does not do well in shaded conditions.
- Is White Rosinweed HOA-friendly?
- White Rosinweed is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
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.
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 White Rosinweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.