noun
- Plural of hempweed; any of various plants of the genus Ageratum or related genera, having small clustered flowers and resembling hemp in appearance.
Usage: Chiefly botanical or regional usage; Often used in plural form
Examples
- The gardener planted hempweeds along the border for their delicate blue flowers.
- Hempweeds are common wildflowers in warm climates.
- These hempweeds attract butterflies and other pollinators to the garden.