What kind of Goldenrod is this?
dandy_line (Z3b N Cent Mn)
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peren.all Zone 5a Ontario Canada
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Canada goldenrod (Solidago canadensis)?
Comments (1)I had that one identified on this site a week or so ago. It looks like Classic Canada Goldenrod like you thought. http://forums2.gardenweb.com/forums/load/namegal/msg09215028601.html Here is a link that might be useful: Forum answer...See MoreWhich Solidago (Goldenrod) is the Best Variety?
Comments (22)Gldno, that Heliopsis cultivar is beautiful! I'm going to keep that one in mind when Bluestone has their sale next June. This thread has got me looking at buying seeds for more Solidago and Heliopsis. Eric_oh, it sounds like you purchased Solidago canadensis (Canada goldenrod). This is a common, rhizomatous goldenrod that is very aggressive - not for the garden. 'Fireworks' is a cultivar of Solidago rugosa, which is also rhizomatous, but apparently the cultivar is not aggressive like the species. Can't believe the nursery or where ever screwed that one up. The clumping Goldenrod species are much better behaved. It's worth noting, for gardening newbies, that Goldenrod does NOT cause hayfever - it has heavy pollen that is insect pollinated. It is Ragweed, which blooms at the same time, that is wind-pollinated and is the culprit in allergic reactions....See MoreGoldenrod
Comments (1)Is it weedy? Depends. If you like it and it spreads, does it then become weedy? Most Goldenrods do grow from underground stolons, but not 100 plants or anything. More like 6 or 7. There are several kinds. There is a flat topped kind that blooms early and the more cylindrical flowering kinds that bloom later. All of them seem to attract lots of pollinators. So far as not a lot of space, keep in mind these are 2-3 ft. tall and shade an area about as wide. The good news is that they can be underplanted with annuals that can take shade, or even spring bulbs that tend to have foliage that disappears when the G-rods are growing tall....See MoreGoldenrod species - what is this feature?
Comments (2)That's a bunch gall of goldenrod, produced when an insect (a midge) lays eggs in the terminal bud. The stems stops getting taller but keeps producing leaves. The insect larvae develop in the gall. It is specific to Canada goldenrod, or so I have read. I've never seen it on any other species....See Moredandy_line (Z3b N Cent Mn)
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dandy_line (Z3b N Cent Mn)Original Author