All Questions

2
votes
2answers
71 views

What is the name of this houseplant, and how can I prevent it from drying out?

One of my friends gave me this plant as present about two weeks ago. Now it`s starting to dry out, while retaining green leaves (without yellowing). At first I watered it every day, but now water it ...
3
votes
1answer
75 views

Is dolgo crabapple a dwarfing rootstock?

Emerald Spire crabapple is produced by grafting onto Dolgo crabapple stock. I know that apples are commonly grafted onto crabapple rootstocks to dwarf them. On a Dolgo root stock the tree nominally ...
5
votes
0answers
50 views

How to get rid of skunk cabbage

I have a backyard that was mostly a wooded area up until 2 years ago. It now completely consists of a lawn and a decent sized mulch area on a hill with some ground plants that are supposed to ...
4
votes
0answers
79 views

What is this plant called?

I am doing a project about plants and I am new at this. I found this in a park in Cairo, Egypt. Would be great if someone can identify it.
4
votes
0answers
50 views

What's wrong with my mango plant?

about a two month ago, I planted my first mango plant. It was growing nicely and it looked gorgeous. Then week ago purple-red-brownish spots started to appear on the leaves (coincidence or not, only ...
3
votes
0answers
16 views

How long after full coloring do I harvest grapes?

I always harvested our juice grapes (concord) soon after full coloring, but I recently met someone who leaves theirs on until they begin to soften, many weeks later. Is there a certain time to ...
3
votes
0answers
23 views

How does one harvest aloe vera leaves?

I grow a few large Aloe vera plants which I'm interested in harvesting regularly during the summer months. What percentage of the foliage should be removed at each harvest for highest production? ...
3
votes
0answers
28 views

Is this powdery mildew?

I have a bunch of these flowers - I don't know their names, but they're planted all around Israel alongside traffic circles and in public places. They're very hardy, but just recently I noticed this ...
3
votes
0answers
30 views

Identify this tree with two different types of leaves?

There are 2 types of leaves sprouting from the mystery root here. You might guess that one is a sprig of tree leaves and the other leaves belong to a weed, but in fact both are growing directly from ...
3
votes
0answers
28 views

How can we salvage a poorly pruned mature pear tree?

I just had a company prune my mature pear tree yesterday. But I think they did it all wrong. I asked for the top to be trimmed down as much as possible and prune around power lines and over our ...
3
votes
0answers
29 views

Can I grow pineapple plants from seed, rather than crowns?

The other day, as I was eating pineapple, I noticed that it was full of seeds (see pic below for what they look like). I have grown plants from the crowns on top of the fruit (even a couple patented ...
3
votes
0answers
39 views

How much should I water an avocado plant guided by a moisture meter?

I have a moisture meter that registers readings from 0.0 to 9.9 (driest to wettest). I cannot find a listing for a potted avocado tree. Can you give me info as to what percentage is optimal for the ...
3
votes
0answers
50 views

How fast does human manure turn into compost?

I want to try turning human manure (humanure) into compost. How much time does it take to become compost? Or how much time it takes the compost to become humus, ready to be used as a fertilizer? ...
3
votes
0answers
31 views

Organic soil/fertilizer setup for container carrots

I am growing 36 carrots in a 18" square container that is 14" deep. I know I have enough room for them but am more worried about whether there will be enough nutrition in the soil to carry them ...
3
votes
0answers
71 views

What is this South African plant with broad, waxy leaves and shiny berries that ripen to red?

Click any image for full size *The flowers that can be seen in photo 3 are not from this plant, but from a neighbouring tree. This plant is growing outside our offices in Johannesburg, South ...
3
votes
0answers
95 views

What is this large orange mushroom found in lodgepole pine forest in Oregon's high desert?

This mushroom grows in Oregon's high desert in lodgepole pine forest. It is big, 4-6" high and wide. Bright orange with yellow meat. Definitely a parasol type.
2
votes
0answers
15 views

What is wrong with my Philodendrons' stems and roots?

The stems of my Philodendron 'Brasil' are getting brown and soft. Is it some kind of disease? I'm growing them hydroponically. Click photo for full size
2
votes
0answers
16 views

How often can I harvest coppiced black-locusts?

I would like to coppice some black locust trees (Robinia pseudoacacia) for fence post production. The conditions are fairly good. This is USDA hardiness zone 6b, with good clay based topsoil, and ...
2
votes
0answers
19 views

What is the maximum amount (lbs/1000 sf.) of nitrogen that should be applied to turf in the spring?

Assumptions and details: we would apply slow release, predominantly insoluble, organic sources of nitrogen which could include compost, corn gluten meal or any of a number of organic turf fertilizer ...
2
votes
0answers
23 views

How do I save lilac seeds?

I know it's possible, because that's how people come out with new hybrids, but how does one go about saving the seeds of a lilac? Specifically, I have the straight species of Syringa vulgaris, and ...
1
vote
0answers
11 views

What is the world's widest pepper variety?

What is the world's widest pepper variety (including both hot and sweet peppers)? The weight and length aren't in question. Just the width at any point of the pepper (it need not be uniformly wide all ...
1
vote
0answers
46 views

What is this grass and how prevalent is vivipary in grasses?

We noticed some seedlings emerging from the flower head of an unidentified grass flower head yesterday. None of us had seen this before and we wondered how common it was and if it is more prevalent ...
1
vote
0answers
74 views

What is this young shrub with opposite ovate, crenate leaves and reddish stems?

I found this plant growing in my garden in the crack between two retaining wall blocks. it's currently about 14" (35cm) tall and has grown this year. it seems to branch freely; the one pictured has ...
0
votes
0answers
3 views

How do you get rid of root flies organically?

Now that it is warming up in Sydney, I have noticed some tiny flies in the soil of my pots. I think they are root flies. They seem attracted to the pots containing rhizomes the most[1][2]. These pots ...
0
votes
0answers
35 views

What is this plant with long narrow whorled leaves and pink-tinged flowers?

I have this plant in my garden and my wife loves it, but I cannot identify it. Click for full size photo