All Questions

1,431 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
9
votes
4answers
7k views

What is this 3cm green caterpillar from northern California?

We have a number of these caterpillars in the yard. They are about 3 cm long. This is on the peninsula south of San Francisco, CA, USA. I initially thought of geometer moths but it seems to have ...
8
votes
1answer
354 views

Tree identification

Can anyone say with certainty what this species of tree this is, found in Northern Michigan? The pic was taken today. Thank you in advance.
7
votes
0answers
267 views

Pinus sylvestris yellowing problem

I'm pretty new to gardening and I recently (~2 weeks ago) got a Pinus sylvestris 'Fastigiata' plant and I noticed that some needles started to yellow. Here are a few pics:- The yellowing is mostly on ...
6
votes
0answers
89 views

Identifying/operating an automatic watering system

I recently bought a house built circa 1970 in France, and it came with an automatic watering system (date of setup unknown, so any time between then and now), controlled by this: I've been unable to ...
6
votes
1answer
7k views

Need help identifying brown and white spots

I have two plants, one can brown spots I can scrape off and the other has white spots which are stuck to the leaves. I've just had an infestation of spider mites and they were absolutely horrendous to ...
6
votes
0answers
102 views

Is the Atherton Raspberry known to hybridize with other Rubus species?

Is Rubus probus (the Atherton Raspberry) known to hybridize with other Rubus species? It sounds like it would be pretty awesome in breeding programs.
6
votes
1answer
272 views

What caused this red spot on my Haworthia plant?

My Haworthia plant has this strange red spot. I'm not sure what it is - is my plant okay?
6
votes
0answers
323 views

Help with caterpillar identification

I found this caterpillar a few days ago, and at that time it was green with lighter green stripes running along its body, black spots on its head, and a few fine hairs. It had made a leaf of one of ...
6
votes
0answers
324 views

Are these primary or secondary verbena pests?

I posted before about the powdery mildew affecting my verbena plants. I have now observed that some leaves have died, and small (1 mm or less) insects are present. They're mobile so not eggs, white ...
6
votes
0answers
823 views

What is this plant with serrated narrow leaves?

I left my fern outside like I do every year. When its leaves fell off this year, an odd plant was growing in with it. Does any one know what this plant is?
6
votes
0answers
71 views

Realtime landscape plus design program, final ground height

I have Realtime Landscaping Plus 3D landscape design program and I cannot find any way to see what the the final height of the ground is in my design. The design has lots of slopes, height grids, ...
6
votes
0answers
743 views

Bermuda grass (I think?) is a muddy mess in the winter time

I live in Knoxville, TN. My back lawn sees a lot of action year-round with two medium-sized dogs. I think much of it is Bermuda grass, since it runs close to the ground, is very thick and soft in ...
6
votes
1answer
146 views

What plant/gems are these?

What gems/plant is this? I picked up this branch in a forest past winter. The white gems(?) are still intanct after three month, without water provisioning. Location: northern Italy. Here is another ...
6
votes
2answers
1k views

How to get rid of mynah birds?

Mynah birds have taken over my garden, displacing the natural avian fauna. I would like to get rid of them, but my being in Australia means that I can't buy a gun. Any alternative suggestions on how ...
5
votes
0answers
61 views

Discouraging Strawberry Runners

OK, how to encourage strawberries to runner is a common question, but I am having the opposite issue, too many runners. I planted a new bed last year, and with first year plants I would generally ...
5
votes
0answers
36 views

Chilli Plant Leave Tips

My chilli plant is growing however the tips of the leaves are drying, any suggestions ? Is this normal ?
5
votes
0answers
69 views

Whats on my rosemary stem?

I just noticed these little brown things on my rosemary...it does not seem to be harming anything else, no leaves were eaten, or brown. They dont move at all, no appendages, and seem quite attached to ...
5
votes
0answers
217 views

Cactus shoots drooping and turning olive

Hey Gardening & Landscaping SE, happy to be a new member! I am concerned for my cactus shoots and hope you are willing to help me out. Short version: My 3,5 months old cactus shoots are starting ...
5
votes
1answer
135 views

Identify tree with gray ridged bark and large cordate leaves

The leaves are big and the stem is thin
5
votes
0answers
243 views

Why is my Eureka lemon tree losing leaves?

I have an Eureka lemon tree that was doing great over the winter. I repotted it with Miracle grow soil and it has slowly started to drop the leaves and it has a couple brownish colored limbs. I again ...
5
votes
2answers
649 views

Avocado leaves browning and dying

Anyone know what is going on with my avocado tree last year it was fine i grew it from a seed but this year the leaves have suddenly started browning and dying off and at first i thought i was over-...
5
votes
2answers
5k views

White and brown spots on cacti

I've been away for the last two and a half weeks, and upon return I noticed a few of my cacti had developed white fuzzy spots, which were not there before. In the worst instance, one cactus appears ...
5
votes
1answer
145 views

What are these white with black caterpillars eating Petunias in Albuquerque, New Mexico?

I'm visiting grandparents in Albuquerque, New Mexico and am trying to help perk up some of their potted and hanging potted plants. It doesn't take long for plants to dwindle in this area (dry and hot ...
5
votes
0answers
269 views

Dead branches and new growth on the same plant

I planted 5 Japanese Yews in the Spring and 3 of them have both dead/dying branches and new growth on the same plant. What would cause this? I live in North Texas. Thank you I believe they are ...
5
votes
0answers
298 views

Browning arborvitaes — why?

I have about 20 arborvitae trees along my driveway and all are browning. I'm a new homeowner and do not know the trees' history. What sort of issue do the below pictures exhibit? Thanks. I am in Long ...
5
votes
0answers
473 views

What disease is affecting my Dypsis lutescens?

I received this Dypsis lutescens (palm) plant as a gift last spring, it had only two leaves and it was potted in nursery soil with sand. Recently I have noticed that the outer leaf started to form a ...
5
votes
0answers
158 views

What are these fragile green plants with small yellow blooms in Santa Fe?

We are having cold Winter temperatures below 10 °F at night and I find a thick patch of these fragile green plants, some with small yellow blooms, all in a part of the yard that we do not water. ...
5
votes
0answers
205 views

Need help identifying a new plant/weed? in my garden

this appeared under Norway maple, but nowhere else in my yard. Can't find it on the Internet (yet). Deer/something ate it at first but stopped. I've added a picture of the stem. I think the other ...
5
votes
1answer
55 views

What’s wrong with my mango tree?

The mangos sometimes fall off, but most of them develop like a split right in the middle where it’s curved (dry, then it falls off). This did not happen last year. We water it 2-3 times a week, ...
5
votes
1answer
573 views

What is happening to our potato plants? (going black, wilting)

We have a row of 3 different heirloom potato varieties, 50 originally, of which we've lost about 15 to a problem we'd like to identify. The following photos show the start of the issue, through to a ...
5
votes
1answer
111 views

What is wrong with my Cherry blossom tree?

My cherry blossom tree's trunk is not looking very healthy and the leaves at the top are being eaten :(
5
votes
1answer
109 views

What is the powdery mildew and why are my cucumbers not growing beyond 1 inch?

I have a healthy cucumber plant to all appearances. There is some powdery mildew which I am trying to contain with a spray for that disease. However, I have lots of buds which turn into tiny ...
4
votes
0answers
89 views

Forcing a non-grafted lemon tree to produce blooms & fruit

About 8.5 years ago I successfully germinated a lemon seed from a store-bought lemon (I believe it was a Eureka lemon). Fast-forward to today and that lemon seed has grown into a 9-foot tall tree. ...
4
votes
2answers
86 views

Can you identify this trailing plant from my old home?

It was an evergreen climber in our front porch back in the 1990s. We never took photos of it directly, but it has been in the background of our photos (so excuse the low quality image). The plant ...
4
votes
0answers
231 views

What should I do with buried garbage/construction debris I found in my new yard?

I recently bought a new row home with what I thought was an adorable back yard. I started digging a shallow hole to plant a tree and noticed that about a half inch to about a foot down is where the ...
4
votes
2answers
62 views

Plant/tree name?

I bought what was supposed to be breadfruit seeds. Only one seed grew. I don’t believe this is a breadfruit tree based on leaf shape and texture. Anyone have an idea?
4
votes
0answers
81 views

What's this coarse, dark green grass in my lawn?

I've got patches of thick, dark green, coarse grass with stems. Any idea what sort of grass this is, and whether it's worth trying to remove? Any ide
4
votes
0answers
125 views

Persimmon tree - leaves turning black

I planted this persimmon tree on March 2019. We are in Texas. The tree was growing very well in the first month, I begun to notice there is something wrong with leaves. The leaves are falling. Three ...
4
votes
0answers
42 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.
4
votes
2answers
76 views

What is wrong with my plant? and why is it turning yellow?

For some reason, my plant started turning yellow. At first, I thought maybe I'm over watering it, because I was watering once a week. Then I stopped watering for three weeks, and even though there are ...
4
votes
0answers
61 views

Why is no-one using my insect hotel?

Last year I bought an insect hotel at the local supermarket (see in the photo below on the right hand side). It was a cheap and simple one, but soon a lot of all different kind of bees came and ...
4
votes
2answers
137 views

Side yard flooded, low spots near patio, nasty bare clay spots.. best route to take?

I've always loved reading these posts but never thought to make an account. So here goes nothing. New homeowner, want to fix the drainage issues and get some trouble areas growing. -My side yard ...
4
votes
1answer
152 views

What to do for the young avocado plant with brown spots on its leaves?

I've read the answers to two similar questions but as the answers were opposing, i couldn't be sure what action to take. Here is what I have: Here (Figure 1) is my Avocado plant, which i had potted ...
4
votes
1answer
76 views

Why are my violet leaves no longer pointing up?

When I bought these violets, the leaves were pointing up. Now, they seem healthy and are even flowering, but the leaves are going downwards. What makes them point up or lay down like that? They ...
4
votes
1answer
278 views

Kentia Palm problem

My leave and stalk of my Kentia Palm has few problem Please help !
4
votes
0answers
83 views

Handling a Cherimoya Tree

Does anyone have any experience with Cherimoya Trees??? We have one in our backyard. Last year, it produced some decent size fruit. This year, it seems like there are more fruits sprouting, and the ...
4
votes
2answers
119 views

How can I have lettuce growing year-round?

I've got this lettuce, similar to the red leaf, ruffly variety. It seems to grow only during summer and autumn. I can't coax it into sprouting from the seeds I harvest at any other time of year, which ...
4
votes
0answers
60 views

Red Plant Growing in a Brick

This Is growing in a brick in my backyard. Im Not Sure What It Is. Does someone Have An Idea? Is Shaped Like A Small Chinese Tree.
4
votes
0answers
67 views

What is this aromatic plant with narrow leaves and tiny white flowers that grows about 8' (2.5 m) high?

Found in New York State, zone 7 where it has invaded my herb garden and outgrew it. I was wondering if it would be a useful herb.
4
votes
1answer
791 views

Why is my avocado plant dying with brown, decaying leaves?

A few years ago I grew an avacado plant from some seed and some time later leaves started turning brown and fell from the plant. I tried a lot, but landed on the thought that perhaps since it has ...

15 30 50 per page
1
2 3 4 5
29