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Lactuca spp.

Common Name(s):
Wild lettuce
Categories:
Annuals, Herbs
Comment:

Several species of wild lettuce (Lactuca spp., Asteraceae family) are common in nurseries and landscapes, and are very similar to sowthistle (Sonchus spp.). These species are winter annuals but may also germinate in the spring or summer in irrigated nursery crops or landscapes. Seedlings form a rosette of waxy leaves with variable, lobed leaf margins. Wild lettuce leaves are similar to sowthistle leaves but lack prickles on leaf margins. In warm weather plants bolt to about 3 to 4 feet tall, but some species may reach 8 feet in height. Flowers are pale yellow and form on branched heads. Seedhead is similar to dandelion but smaller. Seeds have a pappus that aids wind and water dispersal. Avoid letting plants go to seed. Consider a preemergence broadleaf herbicides labled for use.

Season:
winter annual weed
Propagation:
wind, water
Tags:
weed

NCCES plant id: 3058

Lactuca spp. Lactuca rosette
Lactuca spp. Lactuca serriola habit
Lactuca spp. Lactuca stem
Lactuca spp. Lactuca leaf base
Lactuca spp. Lactuca leaf margin
Lactuca spp. Lactuca serriola fruit