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I have a beautiful spiderwort plant that has tripled in size and wondered if it can be divided and if so when? Also I have a Sun Rose that has also grown quite a bit - could it be divided? Thanks in advance.

The best time to divide & transplant would be in the fall for the spiderwort, but I'd suggest a google search...lots of good links & info there.

I don't know about the sunrose...again maybe try a google search.

But, I'm sure someone will come by & give you better info.

Here you can divide spiderwort just about any time. I'm not so sure about your zone. Sorry, I'm not familiar with the other plant you mentioned.

ve

I divided one in the Fall last year & it looks just fine after the move.

Don't know anything about your second plant, not familiar with it either.
But down here, I kill spiderwort! It's horribly invasive in my area! And they aren't easy to kill...either have to totally dig them out or several applications of roundup. They don't pull out, just break off & regrow.

Thanks for all the help. I'm in zone 5.

how long ago did you plant them the first time? if you have plants that look like they have more than one set of roots to them than you should be able to pull them apart & replant them as single plants. I do that quite a bit when I'm even planting things the first time. I can get 2 to even 6 plants out of one pot if I can take them apart. sometimes I even take part of the loose roots off of plants & put just the roots in a hole. most of the time even those roots will grow a new flower after a year or two. you never know unless you try. I know most people will just put loose roots in the compost, but, I have plenty of ground to cover, so I just bury them. anyway, I can but both sunrose & spiderwort in the garden centers right now, so, I would go ahead & divide them now. what can it hurt? I love sunroses. I just discovered that I have a red one, just yesterday. when I bought it, it was a mystery pack. sun roses are the perennial equivalent of the annual moss roses. which doesn't last long enough for me. & they are getting really hard to find around here. (the moss roses, not the sun roses).

buy not but new plants. opps.

Well down here I have that deep blue spiderwort popping up all over the place. You can run over it with a lawnmower, (or have a cow chomp it down within 1/2 inch of it's life, as in my case) and it grows back even stronger. I divide the large clumps and move mine anytime of the year.