Unanswered Questions

5
votes
0answers
427 views

What are these brown patches on my acanthocereus tetragonus (fairy castle cactus)?

I've had this pair of fairy castle cacti for several years now, and they've done fairly well. However, I noticed today that they have developed brown patches over most of their stems and a few areas ...
4
votes
0answers
43 views

Dry brown patches on cayenne chilli plant leaves, leaves starting to curl, tiny black spots

Note: I have posted a previous question regarding my chilli plants, its details may help in diagnosing this new issue. You can see it here: White, fur like strands and spots on underside of chilli ...
4
votes
0answers
96 views

Identify this grass and provide hints on removal

I just moved into a relative's house in Sydney and the backyard is a disaster. There is some unusual grass that is invading that I haven't seen before. I looked at ...
3
votes
0answers
51 views

Why is my drip line spraying, not dripping?

We recently noticed a small geyser in our landscape and found that the connector had been broken from the 1/2" line to the 1/4" drip line. I replaced it with a similar 1/4" barbed connector. Now ...
3
votes
0answers
48 views

Looking for basic info/resources for drip irrigation

I had my irrigation system installed about 8 years ago. The guy who did it was a landscaper but did it as a friend on the side, and as such I have no idea what corners he may have cut to save me some ...
3
votes
0answers
112 views

What's the name of this five petaled flowering shrub?

I saw it next to a parking lot recently, and took this picture. The plant isn't very tall.
3
votes
0answers
96 views

Does anybody know this plant's Latin name?

As far as I know, this plant belongs to a temperate herbaceous species, it lives outdoors in the Netherlands. Does anybody know its Latin name?
3
votes
0answers
80 views

How to take care of an avocado plant in the chihuahuan desert?

A friend of mine gave me an avocado plant that she grew from seed. She kept it primarily in a well-shaded patio. I don't have such a patio... in fact, I have a non-shaded house with frequent strong ...
2
votes
0answers
5 views

Does a pine needle mulch make your soil acidic?

This article from Colorado State University states that alkaline soils resist change but several years of heavy pine needle applications would create a somewhat more acid soil. This article ...
2
votes
0answers
136 views

Please help to identify this plant?

I recently got this plant from a friend, but I never got the name of it. I think from the looks of it, it might be in the carnivore family.