13,520 Garden Web Discussions | Perennials

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Pat z6 MI

So, Cathy, has it bloomed yet?

    Bookmark     August 19, 2014 at 2:37PM
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christinmk z5b eastern WA

Any updates??
CMK

    Bookmark     September 2, 2014 at 4:58PM
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katob Z6ish, NE Pa

Daisy- beautiful butterfly pictures!
If I don't put down mulch I have a sea of verbena coming up, but most perennials will outcompete them so they're not a problem for me. They only seem to do well in disturbed soils (but we do have fairly cold winters here)
I have them as fillers wherever there's still a bare spot.

    Bookmark     August 26, 2014 at 10:10PM
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tracey_nj6(6)

Mine reseeded with a vengence this year. One bed is a complete mess with it, and powdery mildew, but the bees and butterflies love it. One year I had hardly a reseed and it was a major bummer, so I will NEVER complain about it's rampant reseeding again. It's easy enough to rip out any unwanteds anyway ;)

    Bookmark     September 2, 2014 at 4:05PM
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dbarron(z7_Arkansas)

At least in Arkansas/Oklahoma, I've never noticed this being invasive.

I've never noticed it seed, and it slowly bulks.

    Bookmark     September 2, 2014 at 6:53AM
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fireweed22

Thanks very much, yes looks like crassipes 'rosea'.

This one can be split but definitely doesn't spread like a few of them do. Sounds like this cultivar doesn't even set seed.

    Bookmark     September 2, 2014 at 9:41AM
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sherrygirl zone5

Absolutely loved my caryopteris. Unfortunately I lost my last 2 this past winter. One of them had been in my garden for about 8 years. I had standing water for the first time where it was planted. Stupid freeze thaw got it alonf with the water. Still thinking about getting one in a different spot. Mine WERE spectacular.

Sherry

    Bookmark     September 1, 2014 at 8:16PM
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ken_adrian Adrian MI cold Z5

i have two versions ...

sometimes they die back.. other times they dont..

some peeps cut then to the ground ... every spring ... i usually dont.. and just spend some time cutting out dead wood in spring... unlike this year.. when i didnt even bother to do that ...

and i was rather surprised... this horrible MI winter.. didnt knock them back ...

come to think of it.. all that dead wood on one of them.. is whats left of it dieing to the ground.. lol ... so one does.. one doesnt ... lol ...

any help??? .. doubt it.. but its such a grey day.. i dont want to go look at the tags ... if the dogs i didnt want.. havent destroyed such.. like they have.. the rest of the back yard ....

ken

    Bookmark     September 2, 2014 at 8:20AM
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laceyvail(6A, WV)

Moles are never a problem--they are insectivores, which means they eat only soil insects, never, ever plant material. And snow in summer is so vigorous that even if voles did eat some roots--unlikely--it would recover fast.

    Bookmark     September 2, 2014 at 5:41AM
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NHBabs(4b-5aNH)

IME moles can be problem with plants, not because they have interest in the plants, but because in their seach for grubs, etc. they tunnel under roots, leaving them exposed to air.

Why do you ask? When I had snow in summer in my garden, it always looked fairly bad at this time of year due to foliage diseases perhaps; tthe main reason I stopped growing it was its ratty summer appearance though it also seeded around too much for me.

    Bookmark     September 2, 2014 at 8:04AM
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southerngardening24(7b)

awe I'm in love with this plant! Thanks for enabling! Gonna need to get one. or two. beautiful!

    Bookmark     September 1, 2014 at 8:31PM
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arbo_retum(z5 ,WinchstrMA)

rouge, thought you might enjoy seeing a shot of Monique's (CT) LQ in one of her mixed borders. What a successful design, eh?!

I love LQ; once or twice over the summer,i whack it back HARD( down to 2-3' H) to keep her in line (She really covets that 'Tallest Perennial' trophy every year.) So she is really just starting to flower now. I do love my Rudbeckia Herbstsonne(w/which i ditto the whacking) , but i much prefer LQ's yellow myself.

Here is a link that might be useful: Monique's CT use of Lemon Queen

    Bookmark     September 2, 2014 at 12:56AM
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pitimpinai(z6 Chicago)

The issue is not that people do not understand your question. It's that calling R. hirta a perennial is troublesome in itself. Since R. hirta is not a perennial, even though the tag says otherwise, no matter what you do, mulch or no mulch, it is not going to live very long, especially in Canada.

What determines a plant's longivity? Genetics? Climate? Growing conditions? Who knows?

Try R. 'Goldsturm' or R. fulgida. They are perennials if you want long lived Rudbeckia. R. hirta is not going to live long. Period.

    Bookmark     September 1, 2014 at 4:22PM
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gardenweed_z6a

I checked the Tom Clothier database and found R. hirta listed as a perennial. Assuming that was accurate (at some point) & a reliable resource, I grew several varieties from seed in 2010, planted them out and enjoyed them. I still get the occasional volunteer but they were definitely short-lived.

Swallowtail Garden Seeds website lists R. hirta on their Annuals page. Whatever they are, annual or perennial, I welcome their generous self-seeding habit & bright faces whenever and wherever they show up in my garden.

Yes, I mulch heavily over recycled corrugated cardboard. I offer no supplemental
water--they get whatever Mother Nature dishes out. Soil is slightly acid, sandy loam. I don't fertilize anything.

    Bookmark     September 1, 2014 at 6:59PM
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dbarron(z7_Arkansas)

google 'aster yellows'

    Bookmark     September 1, 2014 at 5:48PM
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cyn427(zone 7, Northern VA)

I also love seeing your pool room! This tine, I am going to clip your instructions, Annette! Maybe I will eventually get around to making a similar one here some day!

    Bookmark     September 1, 2014 at 12:03PM
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arbo_retum(z5 ,WinchstrMA)

thx again, annette, a Treat!
mindy

    Bookmark     September 1, 2014 at 2:08PM
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cyn427(zone 7, Northern VA)

I know this is a very late reply, but maybe it will help for next year! I have a couple of ideas. If those are petunias, you must deadhead them-that is, pinch off the flowers when they start to wilt/fade. If you don't, the plant will go to seed rather than keep blooming. I tend to water my pots every morning until the water runs out the bottom unless it rained during the night or if I have shaded pots. I live outside DC, so summers are hot and humid. Other conditions may require slightly less watering. You have to walk a fine line between overwatering (worse than underwatering) and letting your plants get too dry. Also, it is possible to use too much fertilizer. You will burn the roots if you do that, so maybe add the Miracle-Gro every third or fourth watering or use the miracle-gro potting soil and don't worry about the liquid form.

It looks as if you have pretty good light. Petunias like full sun-at least six hours, but I have been able to get by with about five hours of sun on our deck.

    Bookmark     September 1, 2014 at 1:20PM
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Loretta NJ Z6

Perfect! Glad your plant lived after all!

    Bookmark     August 1, 2014 at 5:04PM
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rouge21_gw(5)

Just wondering nirenjoshi how tall has it grown?

    Bookmark     September 1, 2014 at 10:52AM
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arbo_retum(z5 ,WinchstrMA)

So many people do not understand the concept of restricted gifts whereby the seller can include provisions in the gift-that must be followed. Just like this case, a good lawyer should have advised them re development issues, changes to the buildings or the land, and the restrictions wording that needed to be included in the deed and sale.

But the gift probably was made a long time ago, before the
knowledge that exists now.

    Bookmark     August 31, 2014 at 8:21PM
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woodyoak zone 5 Canada(5b)

The property was donated in 1971 to be used as an art gallery and public garden. As the house (built in the 1920s) has aged, the cost of keeping the internal environment suitable for art works has increased substantially. What to do about that, and the cost of it, is the core of the problem.

    Bookmark     August 31, 2014 at 8:34PM
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growlove(zone4 Ia.)

Beautiful hibiscus!! Have tried several, but they seldom make it through our cold winters unless planted up against the house. Mary

    Bookmark     August 30, 2014 at 9:10PM
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arbo_retum(z5 ,WinchstrMA)

eric, you mention the JB population plummeting. The result of a county hort. program ?or unknown reason? (like Macbeth, we never say the word around here.)

Much to my surprise, there was a very-close-to-blue variety in our local nursery 2 yrs ago. I bought 3 and put them all in diff spots. They all seem very happy, but the happiest is the one that gets the most sun. I have it next to one of our MANY golden conifers, and a zebra grass. YAY! I do have a question about it, as many of you are experts w/ them and i certainly am not. Mine is pretty tall (5-6') and i was wondering-- can i keep it cut down a bit, and will that cause heavier flowering? Anyone tried this? Mine is narrow and tall and i would like it lower and bushier-like the one in the linked video. when should i do this and/or prune it ? thx for the inspiration, all of you! I am amazed and perplexed that with a plant that has such a rep for being a JB magnet, i see NO damage on any of your plants!? (Btw, there were almost no JB here the last 2 yrs.)

uh oh i think i just realized that i am not posting about a red plant. sorry. If rudbeckia Cherry Brandy is hardy for you, that would make an interesting partner for your wonderful red ROS, because of its 3 colors, all in the same family. and maybe Gaillardia? My Bluebird was blooming the last 2 months , along w/ daylilies. you might consider some true red d.l. like Chicago Apache or, better yet, a yellow and red bi-color d.l. (I often go to Oakes DL to look through their photos.) Also- Crocosmia Lucifer.

How about some contrast, w/ blue foliage (Blue Shadow fothergilla) or ppl foliage (berberis or cotinus or sambucus [there's a new narrow vertical one at Broken Arrow called Black Tower! ])

Here is a link that might be useful: blue bird rose of sharon

    Bookmark     August 31, 2014 at 5:18PM
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arbo_retum(z5 ,WinchstrMA)

p.s. you mention mulching many times as a problem. would you let yourself see what a few beds look like w/ NO mulch, and a few w/ mulch just along the front of them? (I am assuming here that the mulch blends in w/ your dirt color.)
to repeat another poster: are there beds by entrances or spaces that you rarely use or see? those are the ones that are expendable of course. how long have you lived in your new place?

are you near some urban center? so often non-profit organizations look for plant donations for their properties. here in boston there is even a group of garden designers who gather donated plants to install for free for some of them. maybe you could enlist a local older scout troop or wrestling team to dig or divide some grasses and perennials for you to donate.....

    Bookmark     August 31, 2014 at 5:50AM
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jadeite(6/7)

BBP, many have already offered suggestions. I have one more to add. Does your city or county do green recycling? In my county, they pick up green waste and make compost and mulch. They sell this for very little. We got 10 cu yds. Total cost, including delivery was under $200, most of that the cost of the truck and delivery.

The mulch isn't fancy but we don't need fancy, just something that worked. If you lay down cardboard in areas needing mulch, topped with a few inches of mulch it would last 2 years, perhaps more if you have a few layers of cardboard.

Cheryl

    Bookmark     August 31, 2014 at 10:40AM
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hibiscus copper kingnot huge but nice
Posted by davids10 z7a nv. August 29, 2014
4 Comments
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mnwsgal 4 MN(4)

Nice to see your Copper King. After many years I lost my CK two years ago. Broke of an emerging stem in the spring and it never came back.

    Bookmark     August 30, 2014 at 11:55AM
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aftermidnight Zone7b B.C. Canada

Beautiful.

Annette

    Bookmark     August 30, 2014 at 12:45PM
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