Extension > Garden > Diagnose a problem > Is this plant a weed? > Broadleaf Weeds > Upright > Hoary Alyssum
Berteroa incana (L.) DC.
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- Prairie and landscape plantings
- Most abundant in recently disturbed sites
- Biennial or short lived perennial that grows 1-3’ tall
- Upright stems are grayish-green with tiny hairs
- Leaves are oblong, grayish-green and covered with rough hairs (i.e., hoary)
- Leaves arise alternately along stem
- White flowers have four deeply divided petals that appear in clusters at top of stem
Plants that look similar:
- Shepherd’s Purse
- Field Pennycress
- Pepperweeds - Field, Greenflower and Virginia
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