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Unanswered Questions

740 questions with no upvoted or accepted answers
10
votes
0answers
143 views

Which species and group of clematis is this?

Hi! I'm new to the site, and have long been wondering who I could ask to help me identify this clematis. I've done a bit of poking around online at various nursery sites hoping to find it, but I'm a ...
7
votes
1answer
88 views

Why do some of my nectarines have missing skin and deeply damaged interior sections?

I have an approximately 4 ft tall baby nectarine tree. Some, but not all, of the fruits, have large areas of missing skin, and deeply damaged dark interior sections. I live in zone 9b in Northern ...
7
votes
2answers
1k 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 ...
6
votes
1answer
265 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.
6
votes
0answers
175 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
76 views

Roses in clay pot started to go bald

I purchased some roses in clay pots. They were very fresh and beautiful but after a while they were starting to go bald and their leaves turned yellow. What should I do? They are in open air and have ...
6
votes
0answers
72 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
256 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
566 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
1answer
134 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 ...
5
votes
0answers
34 views

White Bead on an indoor pepper plant

I moved my pepper plants indoors to overwinter them and one has recently developed some small white beads on the leaves that I am unfamiliar with. Which pest am I dealing with and how best can I ...
5
votes
1answer
93 views
5
votes
1answer
118 views

pencil pine trees

Pencil pines are planted in a concrete border and right next to and below our retaining wall, they have grown very tall and the trunks have nearly outgrown the border. What damage will they cause to ...
5
votes
0answers
39 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 ...
5
votes
0answers
59 views

Orange seedling leaf browning, curling, slowed growth? Please help!

I am a 1st time citrus planter. I planted an orange seedling in some potting mix after it germinated. Within the 1st few wks there was pretty impressive growth of leaves and height. it is now about ...

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