Questions tagged [perennials]

A plant that lives for two or more years.

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7
votes
1answer
196 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" ...
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2answers
43k 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
59 views
2
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1answer
33 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 ...
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1answer
53 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
48 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?
4
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2answers
5k 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 ...
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1answer
32 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
221 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?
2
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1answer
32 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
21 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
40 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.
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1answer
28 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
28 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
53 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 ...
0
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2answers
275 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 ...
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1answer
90 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 ...
7
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2answers
820 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 ...
5
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4answers
7k 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
10k 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
118 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
222 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
496 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
450 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 ...
2
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2answers
55 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.
4
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1answer
119 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
55 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
84 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
58 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
1k 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
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1answer
80 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
37 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
88 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 ...
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1answer
41 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
votes
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
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1answer
135 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
260 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.
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1answer
53 views

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?
6
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2answers
231 views

Can I leave an Aloe plant unattended for 2 months?

I leave my apartment for 2 months and I'd like to know if you have any advice to keep my Aloe alive all this time? I live near the Mediterranean and my balcony is exposed to the sun from 1:30 pm to ...
5
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1answer
110 views

Mint ID Requested

This mint came with the house. 30 years ago. It is beautiful and about eight feet tall. I was wondering if anyone knows what it is. Definitely mint. Thanks in advance.
3
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1answer
390 views

Mountain laurel or rhododendron?

Is this mountain laurel or rhododendron? Seems no one is sure. Grows in USDA hardiness zone 7b. Lower shrub limbs laying on ground typically take root and extend growth area. Plants easily make it to ...
2
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1answer
28 views

How can I transfer white comfrey from the front garden to the back garden by seed?

I have successful white comfrey in the front garden with hundreds of flowers. Presumably the flowers contain the seeds. Can I grow new white comfrey in the back garden by planting large numbers of ...
2
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2answers
33 views

How can I tell if white comfrey seeds have been fertilised?

I have white comfrey in the front garden with hundreds of flowers. I want to grow it in the back garden. My method has been to transfer many fallen flowers to the back garden and plant them there. ...
5
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2answers
1k views

What is this whitish feather on my Echinacea seedlings?

My multicell container with Echinacea seeds was covered with a transparent nylon cover for several days, and I just removed it, and spotted an unusual thing. Take a look at this white stuff in the ...
2
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1answer
42 views

Is there an easy way to create a new plant of Symphytum orientale, white comfrey, at a different location by cutting a bit of stem or root?

Is there an easy way to create a new plant of Symphytum orientale, white comfrey, at a different location by cutting a bit of stem or root?
3
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0answers
63 views

Is my choice for edible perennials for balcony good?

I'm looking to expand my balcony garden. I don't want to go through the trouble of getting new plants every spring so I am looking at cold hardy (-16°C is about the coldest I've seen here this winter) ...
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2answers
258 views

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 ...
6
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5answers
16k views

What's the best way to grow Crocosmia from seed?

I collected seed from my Crocosmia (I believe "Honey Angels") and I'd like to see whether I can get healthy plants from them or not. What are the right conditions to make them germinate? When do I ...
5
votes
1answer
3k views

Which grass is best suited as an indoor perennial?

I would like to decorate our living room with a strip of grass. Which type should I grow? The requirements are as following: should be a perennial or at least grow for a year or so slow growing, ...
5
votes
1answer
424 views

Help identifying this perennial grass-like plant

I live in Ohio and just purchased a home that has this decorative grass-like plant that grows in tufts pictured here. It didn't seem to bloom last year, but this year it did (then again, I ...