Gardening and Landscaping Stack Exchange
Gardening and Landscaping Stack Exchange

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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Plants for under blue spruce tree

Along the west fence of my yard, just on the other side in the neighbours yard, are three towering blue spruce trees basically stacked on top of each other. Because of this, the grass doesn't grow that nice on my side of the fence about 8 feet…
Scorb
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Can I start germinating plant seeds indoors in August, and keep them inside for planting next April?

I intuitively feel this is wrong, but I'd like to start the seeds of a plant indoors now, in August, and keep the young plants in containers until the next spring. I'd want to transplant them outside some time around the month of April. It's at 45°…
Aleksandar M
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Is this rose seed going to germinate?

I am trying to germinate this rose seed, first I soaked this one seed into the egg incubator at 40 celsius lukewarm temperature water for nearly 1 week or less. Before when it was unsoaked I saw its seed coat is yellow, after soaking its seed coat…
LowyChan
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Growing fava beans when too hot for flowering; since perennial, will they eventually fruit later in the year?

I read that fava beans' flowers become sterile if temperatures are sustained >80dF. I have fava beans given to me from a sub-tropical climate and wonder if I can grow them in temperature climate (hardiness zone 4/5). Reading about the plant it seems…
cr0
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What is this shrub with 5-petal fragrant flowers?

I have seen this shrub in mid April in a park in Western Germany and I remember the flowers were quite fragrant. Do you know what it is?
Alina
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What is it best way of starting Eryngium giganteum umbelliferae from seed?

I was attracted to the wild, fantastic forms of Eryngium giganteum umbelliferae (also known as Miss Willmott's ghost), so I ordered a pack of seeds from a local seed shop: I also received the instructions for starting them, that say, among other…
VividD
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What is the correct way of placing echinacea seed in soil?

Some of the internet sites claim that echinacea seed should be placed at a small depth of 1/4 inch into soil, but not covered at that time, the reason being that they need light to germinate. And just after they germinate, they should be covered…
VividD
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Getting flower bed ready for planting next year

I am preparing an area appr. 5m by 1m to become perennial garden bed next year. I am going to plant plants gradually throughout next year. I am currently using top soil from elsewhere in the garden and in-house made compost to amend the soul in that…
VividD
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Hauser & Wirth garden plan

Is it at public source to get Hauser & Wirth garden plan made by Piet Oudolf? I would recreate this scene in my garden.
János
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How close can i plant perennials to a grapevine?

I have a few grapevines trained onto a pergola. I was thinking of planting a few perennials like roses and geraniums at the base of the pergola on all sides except the front. However my vines are planted a little more closer towards the center…
Hamid Sabir
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Mexican hat vs. Black-eyed Susan - comparison

Mexican hat vs. Black-eyed Susan or, in Latin, Ratibida columnifera vs. Rudbeckia hirta Ratibida: Rudbeckia: These are two not-so-distant cousins, from famous Asteraceae family. Do you guys know what are the goods and the beds of each plant when…
VividD
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