Monday, May 11, 2009

We have a number of very tall(5ft+) wild flowers in my backyard. They look like dandelions. What are they?

This is N. Central Michigan

We have a number of very tall(5ft+) wild flowers in my backyard. They look like dandelions. What are they?
It's probably prickly lettuce (Lactuca serriola) or sow thistle (Sonchus). If the flowers are very small, and the leaves lobed, it's probably lettuce; if the flowers are %26gt;1 inch across, likely sow thistle. I attached links to a lactuca and a sonchus for reference. Both are pretty global weedy species.
Reply:How about Sunflowers.
Reply:sunflowers
Reply:They could be sunflowers
Reply:most likely they are Jerusalem Artichokes whish is a member of the sunflower family, they look like big yellow dasies i would say.
Reply:Could they be cornflowers? (echinacea?)

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