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Sunflower like plant ID - Jerusalem artichoke, helianthus tuberosus

 
pollinator
Posts: 248
Location: Zone 8b Portland
26
forest garden fungi food preservation
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Anyone know what this is? It comes up every year and makes a flower that looks like a sunflower. Sunflowers are annuals though and this comes back in the exact same spot every year. It gets roughly 6-8ft tall and then flowers. It doesn't seem to spread either.
FC3041BA-FFB8-4766-AF00-59131BA48DA1.jpeg
[Thumbnail for FC3041BA-FFB8-4766-AF00-59131BA48DA1.jpeg]
 
pollinator
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Location: Toronto, Ontario
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Looks like a variety of helianthus tuberosus to me. Sunchokes. They will grow back from any little bit of root left in the soil.

If you're lucky, they are a variety whose roots get thicker. Mine only get as big as my little finger most times.

-CK
 
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Location: Maine woods
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Jerusalem Artichoke maybe?  
 
Chris Holcombe
pollinator
Posts: 248
Location: Zone 8b Portland
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Interesting. Maybe I’ll dig one up and see what the roots look like.😎
 
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Kind of looks like woodland sunflower but I could be wrong.
 
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Location: Appalachian Mountains
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I agree it is Jerusalem Artichoke.  Wait until fall to dig roots or they will be small.  

 
Chris Holcombe
pollinator
Posts: 248
Location: Zone 8b Portland
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forest garden fungi food preservation
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Thanks everyone! Really appreciate the help 😎
 
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