How Far Does Woodland Phlox Spread?

lois(PA Zone 6)April 10, 2011

I saw some Phlox divaricata "Blue Moon" today and really liked it. I've never planted woodland phlox, though, because I heard it spread, and I don't want it galloping all over my garden. But this stuff is sooo pretty, and fragrant, too. In your experience, how far does a single Phlox divaricata plant spread?

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girlgroupgirl(8 ATL)

In the right setting, it can really spread and fairly fast however I've never once seen it choke anything out. I think it would be lovely spreading in and out and around many things. Here it really fades into the background once the flowering is complete because the foliage is so low.

    Bookmark   April 10, 2011 at 1:26PM
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aftermidnight Zone7b B.C. Canada

I can't keep it alive, always peters out after the second year :(.


    Bookmark   April 10, 2011 at 7:03PM
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I have grown woodland phlox for many years, it is native here and I've also planted a few cultivated varieties. An individual plant doesn't get very large, not more than a foot across and maybe 6-8 inches high, however, it does throw seeds and you never know where they are going to come up. It is naturalized all over my woods garden and I love it! When it isn't in bloom you hardly notice it's there, and unwanted seedlings are easily pulled up or transplanted. When it is in bloom, it's glorious! I have it tucked into all my garden beds, and it comes up along the edges of paths, among the hostas, with the ferns, everywhere!

    Bookmark   April 10, 2011 at 10:23PM
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I just planted some yesterday, same variety. I am hoping it does spread quite a bit...I have a large "woodland" type area that it will add much needed color to, and the frangrance is wonderful! I looked it up on several sites and it doesn't seem invasive but it will spread. I imagine like anything else it will probably depend on how well it likes its new home! I grows wild here (or something extremely similar does) so I am hoping my conditions are right for it and that I have several new plants from it next year.

    Bookmark   April 11, 2011 at 2:11PM
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lois(PA Zone 6)

OK, I guess I'll give it a try. I didn't want anything that would overrun this new addition.

    Bookmark   April 12, 2011 at 6:58PM
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Beautiful! The phlox will compliment it very well!

    Bookmark   April 12, 2011 at 9:50PM
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lori_elf z6b MD

I would guess about 6" in each direction. Mine have never become a problem, in fact, hard to keep going with competition from more frisky plants smothering it.

    Bookmark   April 18, 2011 at 1:01PM
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lois(PA Zone 6)

Well, I got it and planted it. The site is in full sun until the tree leafs out, then it gets shade for a couple hours in the afternoon. I like the phlox already; I get a nice whiff of sweet springtime fragrance every time I go out to that garden.

On another note, I just planted some special lilies in that garden; Ariadne and Eros. Looking forward to bloom time.

    Bookmark   April 20, 2011 at 9:07PM
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