Unanswered Questions

10
votes
1answer
102 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
102 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 ...
9
votes
0answers
197 views

My hydroponic lettuce is mega bitter. Can I fix it?

Preface: I don't really know what I'm doing. So I decided to grow some kweik lettuce in my ebb & flow hydroponic setup. In addition to that, I'm growing a variety of chili peppers, mostly ...
8
votes
0answers
55 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
173 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
1answer
80 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
72 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
41 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
42 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
50 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
41 views

What type of dandelion is this?

Years ago, hiking in the Malibu CA region, I saw this very unusual inflorescence that looked like a dandelion but isn't like any that I've ever seen before or since. The yellow flowers in the corner ...
6
votes
0answers
113 views

Is any of this a Fern?

A couple of months ago I planted some silver fern spores. For a while nothing happened, but now I have 2 different types of plants growing in my pot, and I'm not sure if I should be removing one of ...
6
votes
1answer
151 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?
6
votes
0answers
55 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
33 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 ...

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