Questions tagged [perennials]
A plant that lives for two or more years.
152
questions
2
votes
1answer
468 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.
5
votes
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 ...
1
vote
1answer
527 views
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 ...
1
vote
2answers
549 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 ...
4
votes
2answers
6k views
What are differences between Echinacea purpurea and Echinacea angustifolia?
One of my most important gardening goals for this year is establishing echinacea in several parts of my garden. So I ordered several bags of echinacea seeds from a seed shop. (I actually didn't pay ...
2
votes
2answers
567 views
What to do with these black-eyed Susan seedlings?
I started black-eyed Susan seeds ten days ago: (I just sprinkled tiny seeds over grid-type container filled with "soil for flowers" from the supermarket)
You can see multiple new plants in almost all ...
6
votes
1answer
152 views
What should I consider before vacuum-sealing seeds for storage?
This year I have harvested more seeds than I will use next spring. I plan to vacuum-seal them and I want to know if, except for drying them really well, I should consider anything in particular.
...
1
vote
1answer
37 views
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 ...
2
votes
3answers
981 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 ...
5
votes
2answers
95 views
What is this daisy with narrow white petals and a yellow center, that the local deer won't eat?
This daisy popped up wild. It has narrow white petals and a yellow center. The local deer don't like it.
It's located in the central California coast. The ground is dry, rocky and semi-shaded.
...
4
votes
0answers
217 views
What species of Sempervivum is this?
I have received these plants hardy to zone 6b, minimum temperatures of -23°C (-9.4°F). I know there are numerous species of Sempervivum that look alike, but I kind of hope somebody knows some details ...
6
votes
1answer
183 views
Recommendations for removing a plant from a perennial border
I'd love some recommendation on the best way to remove Lysimachia nummularia 'Aurea' from a perennial border. A little background: The border never really goes fully dormant, and is layered with ...
4
votes
1answer
85 views
Long lived plant identification
This plant has been alive for at least 25 years. I know this for sure, because it was here when my parents moved into this house when I was born. No one knows what it is. It has pink clusters of ...
3
votes
1answer
130 views
What is this bright yellow daylily with six narrow petals that curl at the ends?
I have a number of varieties of daylilies in a wildflower garden in Massachusetts, USA, zone 6a. There are at least five, although some may be the same variety in different colors. They were all here ...
9
votes
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 ...
4
votes
1answer
104 views
What is this small, evergreen perennial in zone 6b?
This is 2 stems, each with 3 leaves. The leaves are thick and stiff with serrated edges. The leaf is about 2". The whole thing is about 2" high. A few of these have popped up in the garden. This ...
2
votes
1answer
41 views
Raising bed of Peonies
I have a bed of flowers which I would like to raise by 2-2½ feet (61cm - 76cm) with the soil added to the top, but I am concerned about the idea when I have well established Peonies.
Is it possible ...
6
votes
2answers
115 views
What is this small field plant with a tuberous root?
This plant was collected in a field South-Central Europe. Assume the height of the photo is 20cm. These are all small herbaceous plants.
The ball next to it is the root. It has small bag-like ...
3
votes
1answer
1k views
I need advice about a Dipladenia (related to Mandevilla)
I need advice about a Dipladenia that I bought today. I actually thought that it was a type of Mandevilla, until I got it home and Googled the name. It is in the same family, and needs the same type ...
4
votes
1answer
89 views
What kind of grassy perennial plant is this?
This plant was put in by a builder. It has a central group of grass-like blades. In year 2, it has sent out offsets and spread into the surrounding area. The smaller groups are connected to the ...
3
votes
2answers
75 views
What are typical and perennial garden green and flowering plants?
I will be edging my yard this summer and not sure what plants to plant on my edge. This is my first time doing this. I don't want to overwhelm the edges but enough plants to make it look full. I am ...
3
votes
1answer
76 views
What is this perennial plant which survives in the Sonoran Desert naturally?
Plants native to the Sonoran Desert require watering every 6 months. The following perennial plant, which I am not sure is native to the Sonoran Desert, was found to thrive in the Sonoran Desert ...
4
votes
2answers
2k views
Is it possible to transplant irises without the rhizome?
I bought a house and put some raised beds in the yard, on top of what we thought (in very early spring) was just lawn. It turns out there were irises (small purple ones, I don't know the variety) ...
3
votes
0answers
77 views
Hoya care - will it ever flower again?
Oh, the things I have done to my mother-in-law's Hoya plant:
First, I watered it weekly. Neither the plant or the mother-in-law liked that.
Then I had the audacity to re-pot the root bound mess. I ...
5
votes
1answer
69 views
What is this perennial, mauve flowering herb?
I am trying to identify flowers by the photo I have. Everything I know is that they are:
Perennial flowers
Spring flowers
Grow in Eastern Europe
I have been trying to find them using Google ...
3
votes
1answer
153 views
Why my White Bell Peachleaf Bellflower's leaves are curling up or leaning upwards?
I bought this plant on March 15, 2017 at RONA Garden Centre.
Yesterday when I planted it in this pot the leaves are all like natural, no curling sign/stem moving at that any point. But today on March ...
5
votes
1answer
55 views
What are these new trunks thats emerging from this Red Cherry Currant?
I noticed that there was some new trunk-looking stuff that's coming around from these sides at the bottom to the middle on the thick stems but not on the top thin branches. What are these, are they ...
3
votes
1answer
104 views
Can I start fuchsias from root cuttings?
I love fuchsias and am wintering one over indoors for the first time. It's doing great (3 months in), but when I trimmed it I had to prune the roots as well as the leaves and so I was wondering if it ...
4
votes
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 ...
6
votes
1answer
69 views
Do I cut back all herbaceous perenials in fall?
I live in zone 4. I have been instructed to cut back some of my herbaceous perennials plants before winter.
Should I do this to all herbaceous plants? If not, how do I know which ones to cut back and ...
3
votes
1answer
2k views
When should I remove the spent stalks on my daylilies?
This is related to my previous question about deadheading daylilies. I did a good job of pruning some, although I neglected others.
All of the flowers have gone by and I'd like to know when to remove ...
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 ...
3
votes
2answers
860 views
Should I deadhead my daylilies?
In a section of our yard, I have a small field of beautiful daylilies, nine varieties in all. (I can't take credit for them, as they were here when we bought the house a few years ago!) True to their ...
7
votes
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 ...
4
votes
1answer
329 views
Do any bulbing bunching onion varieties multiply like potato onions?
Do bulbing bunching onions multiply like non-bulbing ones and potato onions, do?
According to one source, there is a non-bulbing variety that does multiply (and is a perennial): the He Shi Ko ...
3
votes
1answer
543 views
Can someone please tell me what kind of flower this is?
Can someone please tell me what kind of flower this is?
3
votes
2answers
63 views
Why do people say perennial food crops only produce for a few years?
When reading about plants I've heard that plants only produce for a few years, then die. Why can't they produce for as long as they're healthy?
3
votes
1answer
202 views
Is there a good way to seed perennial vegetables between landscape bricks?
I want to convert this:
To look like this:
Here's a few thing I need to know:
How far should I space the bricks?
How far should I space the rows?
How do I hold the soil back?
What would be ...
3
votes
1answer
787 views
How should I plant and grow Crosnes?
I've heard that Crosnes is a good crop to grow, and was wondering how to plant/grow it.
4
votes
1answer
138 views
Should perennials purchased at a greenhouse nursery be acclimatized before planting outside?
Most local nurseries in my area keep perennial plants outside during the summer months.
There is one nursery which grows and keeps everything inside a greenhouse all the time.
In zone 4 or 5, does ...
6
votes
3answers
2k views
What is this tall perennial with fragrant white flowers?
My grandmother brought me a bunch of shade-loving plants from her garden to help me fill in a few gaps in my own. She had most of them identified but this one had her stumped. Here's what I know from ...
4
votes
1answer
234 views
What are these flowering perennials with white flowers?
What are these flowering perennials with white flowers (growing in a yard in Northeast Ohio)?
8
votes
1answer
92 views
How to plant herbaceous perennials under an existing tree without harming it
I've seen beautiful plantations of herbaceous perennials plants under mature deciduous trees and I would like to plant something similar.
My concern is for the tree itself (an Autumn Blaze maple in ...
16
votes
2answers
406 views
Do perennials need to be split?
This Old House recently published an article about splitting overgrown perennials. They suggest doing so every three to six years--however, I have a large bed of daylilies, and it's hard for me to ...
7
votes
3answers
169 views
Hearty Flowering Perennial for curbside appeal
I'm lost in a sea of articles with none of them actually answering my question so I turn here.
Currently I plant mums every year in my front yard (Midwest region: Kansas, Lots of sunlight on the area)...
6
votes
2answers
94 views
Caring for & maintaining thyme
We have some thyme in our perennial bed and after seeing that it is quite frost hardy I'm realizing I don't know much about this plant. Specifically, I'm interested in how best to keep harvesting ...
4
votes
1answer
58 views
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-...
3
votes
1answer
99 views
How to prepare herbs for winter?
I've got tomato, basil, rosemary, thyme and peppermint plants. I've read that the rosemary and peppermint are perennials.
How do I prepare my [plants that should live until next year]?
We had our ...
6
votes
1answer
99 views
What should I do with perennials in pots over the winter?
I had a small stone planter box built in to my front entrance. In this planter I had a handful of perennials. I needed to have my driveway torn up and repaved this year, and I thought it would be ...
4
votes
1answer
2k views
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 ...