Unanswered Questions

1,350 questions with no upvoted or accepted answers
12
votes
2answers
251 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 ...
8
votes
4answers
6k 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 ...
7
votes
1answer
102 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 ...
6
votes
0answers
80 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
99 views

Cycad - Zamia fischeri - large chunk from caudex

Advice please on what may have caused this large chunk to be taken from my specimen of Zamia fischeri? Background The plant was purchased about six months ago and I recently (three or four weeks ...
6
votes
1answer
314 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
1answer
177 views

Plants turning purple and red?

I recently transplanted a bunch of corn flowers and they are turning purple and red. I also have lupins, tomatoes, and sun flowers turning red and purple. When I transplanted them i dug the hole twice ...
6
votes
0answers
259 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
1answer
111 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
1answer
185 views

This tree is growing in my yard - central VA zone 7 anyone ID? No flowers so far

This tree is growing wild in my yard about 10 feet tall now. It looked a little like an apple but not when I pick leaves and compare. It grew quite fast and has not flowered yet where most other trees ...
6
votes
0answers
318 views

Help with caterpillar identification

I found this caterpillar a few days ago, and at that time it was green with lighter green stripes running along its body, black spots on its head, and a few fine hairs. It had made a leaf of one of ...
6
votes
0answers
319 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
800 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
69 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
676 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 ...
6
votes
1answer
143 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
934 views

How to get rid of mynah birds?

Mynah birds have taken over my garden, displacing the natural avian fauna. I would like to get rid of them, but my being in Australia means that I can't buy a gun. Any alternative suggestions on how ...
5
votes
0answers
52 views

Discouraging Strawberry Runners

OK, how to encourage strawberries to runner is a common question, but I am having the opposite issue, too many runners. I planted a new bed last year, and with first year plants I would generally ...
5
votes
0answers
32 views

Chilli Plant Leave Tips

My chilli plant is growing however the tips of the leaves are drying, any suggestions ? Is this normal ?
5
votes
0answers
61 views

Whats on my rosemary stem?

I just noticed these little brown things on my rosemary...it does not seem to be harming anything else, no leaves were eaten, or brown. They dont move at all, no appendages, and seem quite attached to ...
5
votes
1answer
127 views
5
votes
2answers
4k views

White and brown spots on cacti

I've been away for the last two and a half weeks, and upon return I noticed a few of my cacti had developed white fuzzy spots, which were not there before. In the worst instance, one cactus appears ...
5
votes
1answer
5k views

Need help identifying brown and white spots

I have two plants, one can brown spots I can scrape off and the other has white spots which are stuck to the leaves. I've just had an infestation of spider mites and they were absolutely horrendous to ...
5
votes
1answer
138 views

What are these white with black caterpillars eating Petunias in Albuquerque, New Mexico?

I'm visiting grandparents in Albuquerque, New Mexico and am trying to help perk up some of their potted and hanging potted plants. It doesn't take long for plants to dwindle in this area (dry and hot ...
5
votes
0answers
277 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 ...
5
votes
0answers
91 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.
5
votes
0answers
416 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
156 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. ...
5
votes
0answers
250 views

What caused this red spot on my Haworthia plant?

My Haworthia plant has this strange red spot. I'm not sure what it is - is my plant okay?
5
votes
1answer
306 views

When is the critical period for blossom end rot in zucchinis / courgettes?

It's nearing the end of the season for zucchinis for me, and some of my zucchinis are showing signs of blossom end rot. However, other fruit on the same plant are fine. Now BER is said to be caused by ...

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