Rudbeckia Reseeding

dianasan(z5a Mtl)July 5, 2010

I have the following Rudbeckias planted next to each other in a bed: Indian Summer, Maya, Goldilocks and Double Daisy. These are perennials in my zone.

Do Rudbeckias reseed by themselves or should I save seeds and sow them myself?

Also, will they crosspollinate? If so, then what will next year's plants look like?

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terrene(5b MA)

If you don't deadhead, then they do reseed a lot. Sometimes too much. You can also save seeds and sow them yourself if you want them to sprout in a particular area. They do cross-pollinate if you have several cultivars growing together. This will result in a mish-mash of blooms the following year, some of which could be quite pretty. Perhaps if you have only 1 cultivar growing in your garden, it will seed true?

Rudbeckia hirta is not perennial in our zone. In my experience, some plants will be annual, others live 2 years, occasionally a plant will come back for a 3rd year, but I've never had one live longer than that.

    Bookmark   July 5, 2010 at 7:18AM
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diggerdee zone 6 CT

Ditto to what terrene said - they will reseed, which I think is great (so far, lol) and they are not reliably perennial even in my zone 6, although I have had several plants come back here and there.

However, I do have several cultivars growing together, and reseeding, and so far I don't think I've noticed cross-pollination. I'm not saying it doesn't happen, I'm just saying that I have not been attentive enough to notice!

If you really don't want to risk cross-pollination, you should probably collect seed and sow it. If you don't mind the possibility, just leave a few seed heads up.

I absolutely love my r. hirtas and would not be without them. Enjoy!


    Bookmark   July 5, 2010 at 9:00AM
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dianasan(z5a Mtl)

Thank you both for your advice. I love all 4 varieties that I'm growing so I hope that some will reseed true, however, I agree that cross pollination might produce some interesting blooms.

Thank you.

    Bookmark   July 5, 2010 at 4:20PM
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pippi21(Z7 Silver Spring, Md.)

Do you have any photos of your garden that you can post here for all to see?

    Bookmark   July 7, 2010 at 7:05AM
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dianasan(z5a Mtl)

Haven't taken any photos yet this year. But will post some after I figure out how.

    Bookmark   July 7, 2010 at 10:57PM
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