Article: Myth #1: Perennials Never Need To Be Replaced.: Some perennials will last years...

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Image Myth #1: Perennials Never Need To Be Replaced.
By Charlie Street on October 1, 2010

There are several popular myths associated with perennial plants. One is that once purchased and planted all perennials will never have to be replaced. They will live for not just more than two years (more than a biennial), but actually for years and years. A second myth is that all perennials require little or no maintenance. Maintenance aside, some perennial species/cultivars just live longer than others.

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Frillylily
Sep 30, 2010 11:11 PM CST
Missouri
and years if properly cared for. I have some iris I have had for 15 years. Iris continually grow new 'babies' that mature and bloom, then put out a new one, and die, a cycle.
If properly cared for and not falling prey to pests, they don't die.
Peony's will last a LIFETIME and are quite hardy in the right zones if planted properly and not abused. They do not require dividing.
Clematis, hosta and dayliles are permanent. You need to dig hosta and dl every few years and divide, then replant in fresh soil. Again if they do not fall to pests, fungus, abuse, they will live for a LONG time, I have some dl that I have had for 15 years, and they were given to me by a friend that still has them.
Most other perennials reseed themselves and are not long lived at all. "flowers" like the daisies and columbines ect.
SunnyBorders
Oct 1, 2010 12:25 PM CST
Name: Charlie
Aurora, Ontario, Canada
Zone 5a
Always informative to hear comparisons, Frillylily.

My experiences are much as your's. Just another reason to love peonies! Find once the clematis get going, they do seem become permanent.

I'm not so much of a hosta (or shade gardening) person myself, being a flower colour fanatic. They're certainly very useful plants. The ones I deal with are in areas with sprinkler systems and I do periodically upgrade the soil around them. The only reason I've needed to divide them is that they got too big.
Frillylily
Oct 1, 2010 4:25 PM CST
Missouri
coleus are great to grow w hostas and add lots of texture, and color. Lime, burgundy, orange or purples, red. hot pink colors. Some people are surprised at the color for just being a foliage plant.
Japanese painted ferns are another pretty addition to a shade area, along w azaleas, astibles, and woodland phlox, ajuga. Impaitients are great for shade, but need regular water as most annuals do.
SunnyBorders
Oct 1, 2010 6:57 PM CST
Name: Charlie
Aurora, Ontario, Canada
Zone 5a
Great tips, Frillylilly,

Thanks!
Imageirisarian
Oct 4, 2010 10:00 PM CST
Name: Lucy
Hamilton, MA
irises
Great article. while I don't love shade plants except for the lovely invasive lily of the valley--our garden is forcing them. One of my favorite plants is the dwarf aruncus. I don't see it offered any more. I like the big one as well, but you need the space for it.
SunnyBorders
Oct 5, 2010 9:12 AM CST
Name: Charlie
Aurora, Ontario, Canada
Zone 5a
Lucy, great suggestions. I do have to deal with shaded areas. I should definitely look for dwarf Korean goatsbeard beard (Aruncus aethusifolius).

I've had a couple of goatsbeards (A. diocicus) growing between our own and the neighbours' house for about ten years. It's much larger (as you indicate) and coarser leaved, but a nice plant. The one and only attention needed is cutting back each year.

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