Questions tagged [perennials]

A plant that lives for two or more years.

A plant that lives for more than two years - i.e. not an or .

In horticulture, the term is often used to refer to only herbaceous perennials (those that die back in Autumn and then grow again from the root stock in spring), although technically woody plants such as and are also perennials.

Use this tag for questions about perennials in general. Questions about specific plant families or species should use the appropriate tag for the family or species.

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How do I subdivide mature chrysanthemums?

This spring, I bought little chrysanthemums (mums) of different shapes and colors at a neighborhood market. They have developed very well and now (in autumn) blossom in beautiful colors, e.g. yellow-with-white-margin and…
Drux
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Dividing Montauk Daisies

Also known more properly as Nippon Daisies, I have a planting of this stuff. I hadn't noticed it flowering last year and had planned on ripping it out this fall not knowing what it was other than being an undesirable (for me at the time), but it…
Escoce
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How can I ensure my perennial herbs survive in an above ground planter (1.5' x 5') year round?

Never been much of a gardener, so 10 years ago I bought a house with a mostly asphalt backyard. So, different season of life now, my wife and I are starting a small garden of mostly food bearing plants. We're located in Calgary, Canada where we have…
talon8
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What has caused my Bleeding Hearts to multiply and spread?

I planted three Bleeding Hearts last year. They were healthy and very pretty. This year there are seven or eight others all around the yard, as far away as fifty feet! They're even popping up under azaleas! As expected, they ended last season with…
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Ferns have not survived winter, what might be the case?

We are renting a flat with a nice garden in Leeds UK. It has a nice garden in the back yard and when we moved in in July 2014 there were 4 healthy ferns pleasing my eye. Now, with winter having passed, they all seem to be dead and I do not know when…
Rod
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Should I prune lavender on a cold/wet day in Spring?

I'd like to prune lavender for the spring season. Today it's a cold and wet day (2 to 7 degrees Celsius and some rainfall, in Europe), the weather forecast says next week will be sunny, but I'll have less time for gardening during the week. So my…
Drux
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Are both of these flowers chrysanthemums?

I was told that both of these plants (they grow as neighbors in the same bed) are chrysanthemums, and that one is an annual and the other is a perennial kind. Could that be right and if so what are the two specific kinds? UPDATE A look at this…
Drux
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Can I dig up a wilting Begonia in the garden and turn it into a houseplant?

I live in Massachusetts and have some begonias that have been very happy all summer planted in a mostly shady area of my garden. The recent cold nights have caused the flowers to fall and the leaves to wilt, however they're still alive. I know…
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What is this carefree succulent flowering potted plant?

Anyone know what plant this is? It was planted in a large pot a long time ago by a friend. The dirt in the pot has not been changed for years! It blooms around the summer time and stays till mid winter. It is located in New York. It also has a poke…
Lone Wolf
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How do I breed Black eyed Susans?

I've recently acquired a nice-sized Black eyed Susan (Rudbeckia hirta) plant. But unfortunately I've only got one, when I would like to have several. How would I go about multiplying this plant?
The Flash
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What's going on with these Snow in Summer plants?

I planted about a dozen Snow in Summer flowers about 2 months ago and most of them are turning brown in the center. I don't think this is a water issue, but perhaps... the ground doesn't drain very well. Any thoughts?
Ultravi01
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Can somebody try to identify this potential perennial?

I was cleaning out some gardens and am not sure what this is. Is it a weed or not?
user3541
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What is this perennial plant that my wife's family call "pot cheese"?

My daughter has recovered a plant from her grandmother's house in southern Ontario that my wife says has always been referred to as "pot cheese" because the flowers just before they open look like little curds of cottage cheese. My wife has always…
Sinc
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good plants for a marshy area?

I'm trying to add some plants to our backyard that can do well in healthy soil that does get very marshy several times during the summer. It's an area that receives some sun and some shade - probably more shade than sun. Our backyard has an area…
Jamie Watts
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First year to grow gladiolus and they all seem to be the same colors?

I planted a ton of gladioli this year and each stalk was suppose to be different colors, there were 7 or 8 different colors they could be but for some reason they are all pretty much orange. The first 2 were red. The next 5 are oranga and 1 is…