Questions tagged [perennials]

A plant that lives for two or more years.

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4
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1answer
51 views

Perennial geranium collapses in late spring

How can I care for this plant differently so it doesn't collapse in on itself? Do all geraniums fall in on themselves? Every year these geraniums grow like crazy and get full, tall and beautiful like ...
1
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0answers
24 views

Planting bare root perennials

I bought some bare root perennial flowers which have some fairly long roots attached. Should I trim up these roots before planting? As is, the hole will need to be very wide lest the roots be twisted ...
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1answer
254 views
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1answer
84 views

What is this pink flowered perennial found in a garden on Long Island?

The deer don't seem to touch it here, whereas virtually nothing else escapes their attention.
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1answer
22 views

Small mail order perennials - OK to plant now?

I've just received a load of mail-ordered perennial plants, things like vinca minor. They're quite small, some don't even have any visible plant part. Here in the UK it's pretty cold at the moment, ...
3
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1answer
65 views

How should I prepare a bed of Chrysanthemums for winter?

I would like to prepare a bed of Chrysanthemums for the winter. The plants have grown up to sizes of 1 to 1.5 meters, some of then have colapsed slightly because they evidently became to large. I've ...
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1answer
88 views

Why are the leaves of my peace lily plant turning yellow?

My peace lily plant was very robust and had lots of flowers. However, its leaves started turning yellow and now it looks like I am going to lose it. What can I do?
3
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0answers
25 views

Egyptian walking onions; perennial how?

Are Egyptian walking onions strictly perennial (by this I mean that the same plant base will regrow the next year) or only perennial in the sense that they fall over and replant the bulbils as “new” ...
9
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3answers
2k views

What is this pungent plant with spikes of purple flowers?

This plant is flowering in our garden. The leaves are gray/green. It has small spikes of purple flowers all over, which are a few inches tall. It has a peculiarly rich smell which I rather love, but ...
2
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1answer
35 views

Can a plant that grows back from the roots each year be considered a perennial?

I have a pot with mint plants growing in it. These plants die off in the winter and resurface from the ground in spring each year. Does that make the mint plants perennial? If not, is there a special ...
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0answers
32 views

Identification Can anyone advise on care of this plant?

Just purchased this perennial, but it did not have any information with it. My plant identifier states it is Carpet Bee Balm, but because of the red leaves I am unsure. Anyone any other ideas?
3
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0answers
35 views

Can I grow low-growing heathers in containers with soil depth of 10cm?

I am building a small shed with a heather/heath roof using low growing varieties that reach 10-15cm. I plan to use 4 separate 60x40cm Euro trays, lined with soil barrier, so that I can lift these off ...
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3answers
100 views

Aphids killing my Lenten Rose

Aphids are killing my Lenten Roses (Hellebores). I have treated them with natural spray (water, vinegar and Dr Bronner's soap) and with Neem oil. They keep reinfecting; I can't get rid of them. How ...
3
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1answer
542 views
5
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2answers
50k views

What's the difference between annual, biennial, and perennial plants?

Before deciding whether to purchase a plant, and how best to plan where to place it, the basic knowledge of how long it lives and how often it blooms is a necessity. What's the difference between ...
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1answer
47 views

What is the name of this fragrant flower?

Can anyone identify this flower? It started its flower about a week ago and has an amazing frangrance.
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1answer
21 views

Iceland poppies

I have a couple plants of Iceland poppies that bloomed back in the fall. I’d like to transplant them into a different container but I’m not sure if they can handle being moved/if it’s the right time ...
4
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3answers
10k views

How do I prune Verbena bonariensis?

In my region, Verbena bonariensis is a perennial rather than an annual. It's getting quite tall, with some close to 8 feet even though it's not supposed to top 6 feet, and in the wind has taken a ...
3
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3answers
69 views

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 ...
8
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1answer
3k views

A seedling with three (instead of two) cotyledons

I started 44-cell tray of Echinacea angustifolia several weeks ago. I noticed the other day that a seedling in one of cells has three cotyledons: Is that normal? This is a cell with two "normal" ...
2
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1answer
35 views

How to cure burns in perennial flowering plant's due to dose of excess urea?

I had planted few stone apple plants (perennial, flowering and mid summer fruiting trees) in plants. Due to insect larvae most of leaves were eaten. So I put in handsome amounts of Urea, Diammonium ...
0
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1answer
41 views

Methodology and resources for planning a perennial flower garden

I'm new to landscaping and completely unfamiliar with different types of flowers and bulbs. What is the best way to plan a small perennial flower garden? Is there a website with charts comparing ...
4
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2answers
230 views

Do you know what this wild perennial is?

Do you know what his wild perennial is? Zone is 8a, central Europe. Photo taken mid-May. Removed from the ground because of fence construction. Is it worth transplanting?
3
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1answer
34 views

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
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1answer
44 views

Which plants relate simbiotically to chillis?

I have been reading about symbiotic plants and mutualism and I am wondering which plant to introduce to the pot of my perennial chilli plant. Any hints? thanks!
4
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0answers
49 views

Rumex? Burdock? Perennial fast-grower has us stumped in Illinois

I figured this would be an easy ID given the size of the leaves, segmented stem, and such but haven't been able to nail it down. The fence pictured is 5 feet tall.
1
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1answer
29 views

Need perennial cover crop/grass suggestion

We don't live in our native town through out the year and instead visit on some days of the year, but have some help from people who do live to water plants growing in our house there, occasionally. ...
2
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1answer
52 views

I need advice about climbing vines/plants for my handicap ramp

I am having my handicap ramp rebuilt and will have wood lattice installed on both sides. I live right outside Kases City, MO. I want to plant something that can climb on the lattice. I want something ...
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3answers
313 views

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 ...
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2answers
796 views

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 ...
2
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1answer
116 views

Can I take cuttings from hydrangea?

I have these hydrangeas from last year and I saw that they started growing new cuttings at the bottom. Now you can see that the older ones are the taller ones and I was wondering if I can cut them and ...
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4answers
10k views

What is causing my lavender's leaves to turn grey and wizen?

I am trying to grow a lavender plant on the windowsill of my apartment in Brooklyn. I got this more succulent lavender after some more delicate french lavender had died on the same sill. This plant ...
7
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3answers
18k views

What is this six-petaled white flower with long narrow leaves?

Growing on the edge of my yard I have a small clump of perennial plants that produce small white flowers in late May or early June. The flower itself is white, with six petals, and they are produced ...
0
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1answer
209 views

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 ...
3
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1answer
852 views

Liriope muscari - why no flowers?

I live in west Essex, England. Several years ago I planted a group of three Liriope muscari in partial shade in very heavy clay soil. They flowered the first year, but have not done so since and haven'...
6
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2answers
728 views

What is this northern California perennial with variegated leaves with dark red lines on them?

This is a perennial, growing in moist, shady conditions in northern California. Does anyone know what it is?
2
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3answers
973 views

How to remove spikes from Echinacea purpurea seeds?

In order to collect the seeds from a stem I have to remove the spikes. Wearing gardening gloves doesn't work because I can't take a grip on the seeds when wearing the gloves. With my bare hands this ...
3
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2answers
63 views

What is this perennial that has accordian-pattern flowers with pink and purple tips?

What is this beautiful perennial that has flowers that turn purply pink as it cools? The flowers have rows in an accordion-type shape, for lack of a better term.
5
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1answer
121 views

Pretty little flower but identity unknown, any ideas?

I ordered datura seeds and received 10 seeds in a clear ziplock packet, no label or instructions. I planted 7 undamaged seeds and only 1 came up. It is not a datura, but no one seems to know what it ...
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1answer
85 views

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 ...
6
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1answer
92 views

Mystery emergent foliage (bulb?) USDA zone 5

My mom is an avid gardener and works in many gardens close to her. This plant popped up last week but she’s unsure of its genesis. She can’t inagine having planted two bulbs so close together, but ...
2
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1answer
62 views

What is this succulent's name?

I bought this from theheartcompany at metrotown. But i do not know the name of it, any answers?
6
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1answer
2k views

Please help me identify this bulbous plant with long, broad leaves and white flowers

I rescued this plant from a landfill in Johannesburg, South Africa. It has taken well in my garden and is blooming in just the second season that it's been here. When I rescued it, I thought it was ...
2
votes
1answer
144 views

What is this evergreen perennial shrub with rosette-style pattern of leaves?

I would like to know how to care for this plant but have no idea what it is. It is approimately 4ft (1.2 m) high and 6ft (1.8 m) spread. Woody stems. I need to find out about pruning, cutting back and ...
2
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1answer
38 views

Is this rudbeckia?

This perennial is sold to me as rudbeckia. It is similar to my other yellow rudbeckia, but the petals (apart having different color) are much finer while touching. Is this really rudbeckia?
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0answers
209 views

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 ...
1
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1answer
157 views

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 (...
5
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1answer
2k views

When should Bee Balm bloom in Zone 6 (it did not bloom last year)?

Two years ago we planted some bee balm. We trimmed it back in early March last year and it never bloomed, though the plant was otherwise healthy and bushy. We trimmed it back again this year. Is ...
5
votes
1answer
139 views

Can a Mexican sage survive losing all its stems?

We planted several Mexian sages (Salvia leucantha) 3-4 weeks ago. They had taken very well to our hot, dry weather (Sacramento, California - Zone 9) and being watered on a drip system. Here's a ...
2
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1answer
458 views

Are these small hairy leaves first true leaves of my rudbeckia seedlings?

Are these small hairy leaves first true leaves of these seedlings? The plant in question is Rudbeckia hirta.