Unanswered Questions

10
votes
2answers
133 views

What is this cone-shaped evergreen tree?

This tree is growing in a garden in Johannesburg, South Africa. I'm pretty sure it's evergreen. I'm not sure whether or not it is indigenous to this area. Click on pictures for full size.
9
votes
0answers
110 views

What is this thin-stemmed plant with narrow leaves in an aquaponics bed in my greenhouse?

This plant grew from seed to about 2' high within 3 months. I'm sure it's not done growing. I have no clue what it could be, since I'm in the bad habit of sticking anything that looks like a seed into ...
8
votes
1answer
171 views

ID this plant from an inherited garden

I recently inherited a garden on my university campus in Buffalo, New York. We think that it's a fruiting plant, but we're not sure what it is. Can anyone help?
8
votes
0answers
56 views

Why does my banana chili start to wilt and seem to die off when it reaches 500 mm high?

You can see the problem in the picture! I've grown chilies here for 25 years without problems.
8
votes
3answers
191 views

What is this large leaf by a river in Pennsylvania?

This plant is new to me. It's about 3 ft tall, in a well-shaded area on a river bank in Pennsylvania. It's rough to the touch and looks like a huge parsley-type leaf. I've lived in PA for about 16 ...
7
votes
0answers
74 views

Need help identificating this bee-attracting shrub

A friend of mine came back from a nearby mountain with this flower from a wild shrub that was very common in the area where he walked. The area where these are found is the west-Alps, around 1300 ...
7
votes
1answer
91 views

Why did my fig tree stop making fruit?

Six years ago I planted a fig tree that was given to me. I was told it was a "dwarf" fig but there has never been anything dwarf about it. Within a couple of years of planting the tree it began ...
7
votes
0answers
115 views

Why are the leaves on my mango tree turning brown and drying out?

I grew a mango tree last summer from seed in a pot. In the beginning it was extremely healthy looking and fast-growing. When the summer was over, as it gets very cold here in Canada, I took it indoors ...
7
votes
1answer
47 views

Vermicompost cockroaches

I have a nice garden which I have made using vermicompost. Plus I have used cow dung manure. I get a lot of flying cockroaches in that. How to get rid of this.
7
votes
0answers
43 views

Tips for first Serissa Bonsai

I just brought home my first bonsai. Looking at some of the guides online I think it needs some pruning after the flowering period. It still has wire on most of the growth. Any suggestions about ...
7
votes
1answer
55 views

How can I save deer ferns after a drought?

I have several large deer ferns. Some started to drop significantly during an unusually high summer drought in the Pacific Northwestern USA. I watered immediately and they did not perk up. They are ...
6
votes
0answers
56 views

Growth rate of a Pecan tree?

We bought a pecan tree that is basically a 2' tall stick right now. It was planted in an opening with other trees and should get about 75% of available daylight. How many years would you think it ...
6
votes
0answers
34 views

How do I eradicate Pseudoperonospora cubensis on roses?

I have some roses that look like they are infected with Pseudoperonospora cubensis. I currently do not know how to treat this disease and would like a course of action. I have not applied any ...
6
votes
0answers
97 views

Will paint thinner poured in the soil kill my tree

The contractor at my neighbors house was washing out his brushes with turpentine or paint thinner and dumping the liquid right next to my tree. Is my tree going to die and what can I do to help it ...
6
votes
0answers
107 views

What is the name of this fragrant and edible plant?

It has a fragrance and it's also edible, I suspect it could be Mentha Longifolia, but I'm not sure. I try to propagate it through placing it in a cup filled with water near the window in order to get ...

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