Home Weed ID Publications Dictionary Links FAQs Login About us		Plant Description: Name: poison hemlock Scientific Name: Conium maculatum Family: Apiaceae Type: Broadleaf Lifecycle: Biennial Habit: A basal rosette of leaves forms the first year followed by a tall branched stem the second year. During the second year the plant blooms through the summer. Leaves: Leaves are dark green and fern like with a triangular shape. They are innately compound. Leaf Arrangement: Alternate Characteristics: There are distinctive purple spots located on the stem of poison-hemlock. It has a taproot. Flower Seed Head: Small white flowers are formed in umbrella like clusters that are around 2 inches wide. Seed Fruit: Fruit is a schizocarp containing two seeds. After maturity the two sides break apart, also each half is rounded on one side and flat on the other with pale brown wavy ribs. Where Found: It is common on roadsides and unmanaged areas, such as fence rows.  It will infest areas where it is unprotected such as the center of a pasture . It does not tolerate mowing well. Control Options Related Plants Terms and Definitions Additional Images:
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