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Mounding Geraniums

Posted by april_wine z7 Tennessee (My Page) on
Sat, Feb 11, 12 at 21:42

I am looking for mounding geraniums. Geraniums I have flop and are short. Can anyone recommend geraniums that you have that grow into large mounds?


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RE: Mounding Geraniums

  • Posted by mxk3 z5b/6 MI (My Page) on
    Sat, Feb 11, 12 at 21:46

G. magnificum. I can't recommend this one highly enough!

If you do a board search, you should be able to find pics I've posted in the past. All I do is shear to the ground after blooming, and foliage quickly springs up into a tidy, attractive bright green mounds all summer :0)


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RE: Mounding Geraniums

I found some of your photos. Very beautiful! This is exactly what I am looking for. Thank you.


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RE: Mounding Geraniums

  • Posted by mxk3 z5b/6 MI (My Page) on
    Sun, Feb 12, 12 at 17:11

Glad to be an enabler :0)


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RE: Mounding Geraniums

mxk3 wrote:

All I do is shear to the ground after blooming, and foliage quickly springs up into a tidy, attractive bright green mounds all summer.

I love the picture of your magnificum. I am curious as to when it begins to bloom in the spring and for how long does it continue until you decide to give it a haircut?


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RE: Mounding Geraniums

april_wine you might want to check out this newer variety of geranium known as Havana Blues.

It's description reads very well. It is mounding but longer blooming than magnificum and/but less large than magnificum also.

I know that it is available in NAmerica as of last year. See here for more details:

Here is a link that might be useful: Havana Blues


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RE: Mounding Geraniums

  • Posted by mxk3 z5b/6 MI (My Page) on
    Sun, Feb 12, 12 at 21:20

Rouge: It blooms in June - usually around mid-June. Gosh, it blooms a least a solid week smothered in full blooms but all in all probably closer to two, maybe 2.5 weeks (that pic I snapped was not in full bloom). No re-bloom. Usually by last week of June at the latest I whack it back, want it to fill back in before July 4 (you know, party and all, have to show off the garden..). Yes, the foliage fills back in *that* fast. Is in full sun all day.


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RE: Geraniums

  • Posted by mxk3 z5b/6 MI (My Page) on
    Sun, Feb 12, 12 at 21:23

Okay, well, I looked again at my photo, and I had commented it was taken in early June, so that must be when it got going that year, with full bloom mid-June or so. But, you know, it's a plant, it does vary time-wise somewhat. Always by mid-June, though, with the whack-back by late June, as I mentioned :0)


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RE: Mounding Geraniums

I treat my magnificum 'Rosemoor' the same as mxk3 to keep it looking tidy all year. My only comment is that it doesn't rebloom at all for me in this zone. Maybe it would in California or somewhere a lot warmer.


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RE: Mounding Geraniums

I've had Tiny Monster for 5 years. It starts blooming in early June and continues even through a light frost in Oct. Retains a nice mounding habit, although three plants from five years ago cover a 3' x 9' area. G. macrorrhizum blooms only in late spring for about a month but maintains a beautiful mound through fall when it turns red. G. Phaeum, Margaret Wilson also only blooms in late spring but maintains a slower growing perfect mound and tolerates quite a bit of shade as well (as does G. macr.), and is nicely variegated but can probably only be found on-line.


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RE: Mounding Geraniums

My Rosemoor looks tidy throughout the whole season without cutting down. The most spectacular of all mounding geraniums is a G.psilostemon hybrid called Patricia. Unfortunately not totally hardy for me. I have decided to buy it again and cover it for winter. It is worth it.


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RE: Mounding Geraniums

wieslaw wrote: The most spectacular of all mounding geraniums is a G.psilostemon hybrid called Patricia.

Thanks for this wieslaw. But as I recall this is quite a large geranium...up to 3 feet in height and a similar dimension in width...almost sprawling in nature?

One nice feature with this particular geranium is that it can tolerate some shade.


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RE: Mounding Geraniums

Rouge21, one of the most beuatiful things about this geranium (apart from the flowers) was, that it was actually SELFSUPPORTING in (nearly) full sun. I had it in a place which received sun from midday on.There are so many flower stalks which 'weave their way' among the others, so the whole thing is standing up. 3 feet is a solid exaggeration. 60-70 cm at the best.


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RE: Mounding Geraniums

Sounds spectacular wieslaw. By chance do you have any pictures of this one you once had?


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RE: Mounding Geraniums

Geranium 'Rozanne' is the longest-blooming Geranium I have ever grown...grows into a mound about 2' tall and 3' wide...never flops open...blooms from late spring to the first hard frost.
arborvitae  590
3 plants during early autumn

rudbeckia and geranium  1227
Rudbeckia with Geranium 'Rozanne' in the background

Geranium Rozanne Drift


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RE: Mounding Geraniums

The yellow and blue is an outstanding colour combination Scott!

For sure "Rozanne" is a wonderful geranium. I am just hoping to find another geranium, probably a newer variety, that flowers almost as long (my "Rozanne" blooms from early July until October) but is (much) more compact and more mounding.


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RE: Mounding Geraniums

There is a troika of blue geraniums which never fail for me - compact, long flowering and very beautiful. Nimbus, especially lovely foliage. Brookside, very long season of bloom and finally, a sanguineum, Spinners. All bloom most of the summer and all make nice cushiony mounds of between 45 -60cm high and wide.


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RE: Mounding Geraniums

Scotty, What variety is your rudbeckia? What is the pinkish plant next to the joe-pye weed, is it an agastache? THANKS!


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RE: Mounding Geraniums

Rouge21, unfortunately I've bought my camera after the plant died. But if you google it, there are some good pictures of it.


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RE: Mounding Geraniums

I have ordered 3 plants of Geranium magnificum. Now I think I will be ordering Rozanne too. Beautiful photos everyone.

mxk3: How much sun does your magnificum receive?

Scottybiopdx: How much sun does your Rozanne receive? I assume plenty of sun since you have black eyed susan and joe pye weed.

I want my geraniums to look like these photos! LOL


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RE: Mounding Geraniums

I love 'Patricia'. It is almost a magenta shade but more towards the hot pink. I bought five of these plants several years ago. Unfortunately my site is a bit too dry and too shady for them, so they are are not living up to their potential. In the right conditions they would be spectacular.


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RE: Mounding Geraniums

Hi Prairiegirlz :-) Yes, the pink plant is Agastache 'Desert Sunrise', good eye! That is just plain old Rudbeckia 'Goldsturm' - pretty much the easiest plant ever!

Hi April Wine, that area gets more sun than most of my garden, but still only a max of 6 hours in the middle of summer, with quite a bit less during the rest of the year. The more sun, the better for all these plants :-)


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