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1,922 questions with no upvoted or accepted answers
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7
votes
1answer
175 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
1answer
141 views

What is wrong with my Hydrangeas

My hydrangeas were looking beautiful until a couple weeks ago. Then I started noticing that some of their leaves had these gray powdery looing spots on them, their blooms started having brown spots ...
6
votes
1answer
66 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, ...
6
votes
0answers
113 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
3k 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 ...
6
votes
2answers
365 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 ...
6
votes
0answers
115 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
0answers
190 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. ...
6
votes
0answers
343 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
1k 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
74 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
819 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 ...
5
votes
0answers
42 views

Cucumber disease/ pest identification

Can anyone tell me what is happening with this cucumber plant?
5
votes
0answers
94 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 ...
5
votes
0answers
65 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.
5
votes
0answers
530 views

Birch trees with peeling bark and black area on trunks

I am wondering about my trees in our front yard. They seem to be peeling much more than others in the neighborhood and have black patches on the trunk. Any info on what I should do?
5
votes
0answers
322 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
0answers
353 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
2k views

Can my lemons grow in cactus soil mix

I bought cactus soil mix the other day from Calloway's for some plants. I then decided to grow lemons. So I did the whole deal. 2 weeks later I have lemon sprouts. I was wondering if I could use ...
5
votes
0answers
569 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
231 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
121 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
117 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
28 views

What is this rock-like fungus?

About the size of a rock - I actually thought that's what it was at first. The inner brown markings amazed me thinking the internals were eroded and exposed. But touching the surface with my shoe ...
4
votes
0answers
27 views

Acidic soil containing chalk?

I’ve recently bought a property in a ‘dry chalk valley’. It’s an old barn with a paddock out the back. I bought an electronic soil pH meter (two prongs with an analog dial meter) and followed the ...
4
votes
0answers
43 views

Why do my Roma tomatoes look like this?

I basically just planted this plant and let it grow all summer more or less untended. It's become extremely viney, and has a ton of aphids. We live in a very dry area, near Sacramento, and I'm curious ...
4
votes
0answers
42 views

What's wrong with my fairy castle cactus?

My cactus used to be really thick and dark green but now it's so much skinnier and starting to shrivel up. Some of the arms are turning a dusty kind of brown and they're all leaning away from the stem ...
4
votes
0answers
76 views

Why are my basil leaves turning black?

Seeking all the experts out there. Just while I was going out to water my basil plant just now, I realised that some leaves have developed dark spots as shown in the pictures. I have immediately ...
4
votes
0answers
69 views

What would strip the bark off a 20+ foot American Elm tree overnight?

I have a 20+ foot tall American Elm tree. I believe it was unharmed yesterday. Today the bark was stripped almost entirely around the several-inch-wide trunk and in various places up to a height of ...
4
votes
0answers
110 views

What's this tree with slightly hairy green leaves with white veins and borders?

I got a hold of this tree recently (it was in my backyard when I moved in), and want to find out what specific tree it is so I can make sure my care is appropriate. Click to expand pics: As the first ...
4
votes
0answers
28 views

How to tell when grapes are ready to harvest?

I live in the Arizona desert and have some grapevines that came with my house. After 10 years of dodgy production and greedy ground squirrels, my vines are relatively full of grapes. Based on their ...
4
votes
0answers
30 views

Could my courgettes have mosaic virus?

This was my first time (attempting) to grow courgettes. I used Cucurbita pepo Black Beauty seeds and all seemed ok to start with. I possibly planted them out too early (mid April) as had some ...
4
votes
1answer
58 views

Will a periwinkle plant regrow leaves on bare branches?

I got a periwinkle plant from a relative. She's a bit absent-minded and barely watered it. When I got it, the branches were all bare (leaves fallen off) and no flowers. I have had it a few months now....
4
votes
2answers
37 views

How to convert garden fertilizer dosage to container dosage?

I have a bunch of old-school mineral fertilizers that I would like to use for container plants. The problem is that the dosage on them is grams/m2, lets say for simplicity it is 100 grams/m2. How do i ...
4
votes
1answer
75 views

What is the problem of my plant

I have this plant that I bought one month ago. Its leaves start to dry. I don't put much water, just when I feel the soil starts to dry. The plant is in the living room with no direct sunlight but ...
4
votes
0answers
272 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
113 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
15 views

How to get rid of the White fly

I noticed I got once again the white fly in my herbs and vegetables. I tried to get rid of it by planting Basil close to them, and it worked for some time but now is back again. I heard trying vinegar ...
4
votes
0answers
59 views

Tomato plants longevity

I started tomato plants outside but we had a scorching summer. I have finally gotten them healthy but it is the end of the growing season. The question is can I take my plants into my greenhouse and ...
4
votes
1answer
96 views

What are these white things on new leaves?

I have roselle planted. But I see these on the leaves. What are these? Edit: Added closeups
4
votes
1answer
143 views

what is the name of this houseplant?

This plant is houseplant , a friend of a friend of mine gave her this plant. without knowing it name so I want really have the good name to help my friend patricia because she is looking for the name ...
4
votes
1answer
93 views

Half of my peace lily is droopy, the other half is fine

I have a ten-year-old Peace Lily that I have brought back from near-death experiences several times over the years. I recently repotted it, not in a larger pot but to give it fresh soil (the old soil ...
4
votes
0answers
689 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
0answers
139 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
355 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
47 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
132 views

Will pimento plant grow in direct sun in outdoor?

I have a pimento plant that I bought at a grocery store. I'm thinking of transplanting to a bigger pot and moving it to my outdoor terrace. We live in the Caribbean. We currently have about 85° ...
4
votes
0answers
70 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
167 views

Identify this bug attacking rose buds

The buds on two of my rose plants are being attacked by something that damages the outer petals. I've been spraying with an organic pesticide but it doesn't seem to be having much effect. What can ...
4
votes
1answer
246 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 ...

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