Unanswered Questions

9
votes
0answers
121 views

How can a green leaved canna's flower color be found when not in bloom?

At a perennial sale once I found an unmarked canna with green leaves, and when I asked what color the flowers were, they said they didn't know. After looking at the leaves for a while, they decided it ...
7
votes
1answer
47 views

Is it normal for Pak Choi (Bok Choy) seedlings to come up so varied in colour and leaf shape?

It's my first time with Pak Choi (Bok Choy) and so I don't know what seedlings normally look like. But should they be this varied in shape and colour?
7
votes
0answers
76 views

Does Rebutia grow better when grafted onto an Echinopsis?

I have tried growing rebutias before, and failed because the plants lacked vigor and grew slowly. Would they do better if I flat-grafted it onto a columnar Echinopsis, to increase vigor? Are there any ...
7
votes
0answers
159 views

What is this shrub and has it come back from the dead?

We had this deciduous shrub in our lawn for many years. Its height was about 1.5m - 2m. This photo is from a couple of years ago. Strange thing is that this spring it seemed to have died. We ...
6
votes
0answers
102 views

What causes flowers to fall off of a blueberry bush?

My blueberry bush's flower bells are falling off, leaving only the center stalk (stamen? pistil? whatever it is, its part of the sex organs) Is this what happens when a blueberry flower is properly ...
6
votes
0answers
118 views

What causes spruce branches to drop their needles?

I have a spruce tree that has a problem. Every year, some branches suddenly drop all of their green needles and die. I would like to prevent this, but I don't know what the cause is. What causes this ...
6
votes
0answers
89 views

Why can't I get reticulation to work in spring?

Spring has sprung and it's time to turn on my reticulation (bore). My retic worked back in May but now (October) I turn it on and no water comes out. I can hear the pump going but no water comes ...
5
votes
0answers
69 views

Can someone help me identify this tree?

I have searched everywhere and cannot seem to identify the type of tree this is.
5
votes
0answers
62 views

What is this tall tree with needle-like leaves?

Somebody saw this tree in a park and asked me to try and identify it. Here are 3 photos of the tree (click on each to enlarge):
5
votes
0answers
107 views

What is the fastest way to multiply snowdrops?

I would like to multiply my snowdrops as fast as possible. I have about five plants right now. They normally double in size every year. Is there a faster way to do it? They are a little small for ...
5
votes
0answers
51 views

Why are my eggplant seedlings not thriving?

I have started a bunch of seedlings and some are doing really well others are not, under similar conditions. I used 6-8 inch wide pots, ~6 inches tall, potting soil, and left the pots in front of a ...
5
votes
0answers
65 views

What is the best way to identify a Saintpaulia (African violet)?

Several times, I have had Saintpaulias (African violets) in unlabeled pots. I tried finding the variety name through several sites and they all looked different. How can I identify them?
4
votes
0answers
122 views

How do I kill couch grass organically prior to sowing a lawn?

The area of yard I intend to sow as lawn is around 150sqm, and has just been levelled by machinery which removed much of the plant material. Most parts of it have just had a shallow layer scraped off ...
4
votes
0answers
63 views

Are there any varieties of Elephant Ear that are hardy enough to withstand a zone 6b winter?

When I look at Elephant Ear varieties in plant catalogs, they all say Elephant Ears are hardy in zones 9-10, sometimes 7-10. But I see people in my area growing them outdoors without winter ...
4
votes
0answers
12 views

How should I care for the rhizome of a small canna seedling?

I had been hybridizing cannas in the summer and have a promising young plant. Should I store its rhizome in a basket in the basement like the big rhizomes or do mini plants need special care? The ...

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