tall semi-shade perennial?

mstywoods(z5, Westminster, CO)August 9, 2014

So last fall, I created a new flower bed in an area of the yard where it looked like the entire bed got sun most of the day. I planted varying height perennials that liked sun and didn't require a lot of water. It's doing nicely this year, but I noticed that the tree nearby shaded the back of the bed much more than I thought. I think the tree grew a bit more, as well as I didn't account for the changing sun exposure during the spring and early summer (I had been gauging it during August).

So my sun flowers (the wild variety - I love those, so I grabbed a couple of plants from a field and planted them) I put in the back are rather spindly and are flopping over. Am thinking I should put something else in place of them for next year - something that does better in semi-shade, and won't flop. Any ideas, for zone 5? I want something that gets tall, but not too wide, and of course, flowers.


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Perhaps a cardinal flower?

    Bookmark   August 9, 2014 at 9:22PM
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david52 Zone 6

Peony. They do very well in partial shade.

    Bookmark   August 10, 2014 at 10:25PM
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How about foxglove? Not technically perennial but sometimes it will fake it.

    Bookmark   August 11, 2014 at 1:05PM
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mstywoods(z5, Westminster, CO)

That cardinal flower sounds very nice, smdmt - but afraid it'll take more water than the rest of the plants in that bed. Might not be a good fit due to that.

Peonies - good idea, David! And I was thinking about foxglove as well, steviewonder! I'll look more into those as possibilities.


    Bookmark   August 11, 2014 at 8:32PM
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popmama Zone 5(5)

My daylillies do well in partial shade. Also, my crocosmia does well in partial shade (but does like water).

Giant Hosta! Okay I have a hosta addiction. I admit it.

Bleeding heart although it's only pretty for a couple of months.

    Bookmark   August 12, 2014 at 11:11PM
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I have a handful of Beard Tongue Penstemon in partial shade. They were so pretty this year, a bought several move for a different bed.

    Bookmark   August 16, 2014 at 2:42PM
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mstywoods(z5, Westminster, CO)

I should have mentioned what I already have in the bed - Penstemon (unknown variety, they were planted in another part of the yard by previous owner. Purple flower), coneflower (magenta), flowering lambs ear, day lilies (asst. colors, only one bloomed this year. Hopefully more will in future!), common sage, iris (purple, I think. Didn't bloom this year), and the wild sunflowers.

The sunflowers, coneflowers, and the Penstemon are to the back of the bed. This is where it gets a bit shady later in the day. The Penstemon and the coneflowers are fine, but the sunflowers as I mentioned are getting a bit floppy. I wanted the plants in this bed to be fairly drought tolerant. The bed does get watered when our sprinklers for the lawn come on three times a week, it doesn't give the plants a soaking to where the soil stays consistently moist. The sun exposure does dry the soil out in that spot, so that's why I need plants that can take those conditions.

I do seem to have acquired a lot of purple flowers, so would love to have some other colors to contrast.


    Bookmark   August 16, 2014 at 5:50PM
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