Nutritional supplements for soil.

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2answers
79 views

Why aren't my young plants growing, even with proper nutrition?

The top picture is a gardenia plant I purchased back in February of this year. It looks healthy, and the leaves are all green, but for some odd reason, it remains the same height, and nothing much has ...
0
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1answer
67 views

Money plant leaves are too big ~6"

Why is my money plant (pothos) growing such big leaves? https://instagram.com/p/3u2cUloqIP/
3
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3answers
65 views

How should I fertilize to increase the Nitrogen in my soil?

I did a soil test and it says that I have lots of P and K but very little N. What kind of fertilizer is best to use to replace the nitrogen in my soil? It is almost time to plant, and I am already ...
3
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2answers
346 views

Why is my Japanese painted fern struggling?

I bought a Japanese painted fern several weeks ago. It was on the store's "reduced price" shelf, so it wasn't in perfect shape, but I figured I could try to nurse it back to health. So far, though, ...
2
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1answer
25 views

Can I fertilize solely through fertigation?

I'm growing a pumpkin patch and plan to use drip irrigation under a mulch layer. Unfortunately, various parts of the soil are lacking in some nutrients. I don't think I'll have the money (this year) ...
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4answers
4k views

Are chemical fertilizers poisonous to people or animals?

I've been seeing a lot of conflicting information online about chemical fertilizers being poisonous and was wondering if there are any trustworthy sources of information to definitely answer this ...
2
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1answer
41 views

How do I feed shrubs sitting in mulch?

My flower beds have landscaping fabric covering them, with 2-3 inch depth of mulch sitting on top. Are there any ways to feed my plants that don't require me to remove the fabric and mulch? Up until ...
0
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1answer
66 views

Plant potting mix has green balls

I have a potting mix from a majestic palm that I'm attempting to reuse, it has some odd small green balls in it that are maybe one or two mm large, perfectly spherical and uniform. I opened one and ...
3
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1answer
44 views

Apply iron(II) sulfate and dolomitic lime at the same time?

I have had good experiences with iron(II) sulfate and dolomitic lime for my lawn. They increase the green colour and prevent moss. However, I am uncertain whether I should avoid applying these two ...
13
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2answers
2k views

What household wastes can you use to fertilize without composting?

I cannot compost, no room, no permission. My kitchen produces a steady output of used coffee grounds, which is a good slow release nitrogen source (2.3 .06 .6), should not attract pests or transmit ...
4
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2answers
679 views

Can I give sugar (or something similar) to flowering plants?

I was wondering if it's possible/advisable to give a flowering plant or any plant for that matter, sugar (or something similar) in addition to plant food?
3
votes
1answer
47 views

Is there a directory of precise dosages of fertilizers for indoor/outdoor plants?

For example, I have a lot of plants inside (African violet, geranium, coleus, etc.) and outside (dolichos, petunia, pansy, asters, etc.) my home. Also, I have a lot of chemicals (such as ammonium ...
6
votes
3answers
497 views

Is it safe to make a vegetable garden where there may have been lawn chemicals?

I moved into a new house (built 1979) this past fall and I would like to convert some of the grass area to a vegetable garden. I don't know how the previous owners took care of their lawn, but is ...
11
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1answer
5k views

Which plants/trees will benefit from using urine as a fertilizer?

We know that urine can do a plant good. Certain plants (like citrus trees) will absolutely do well if you add urine to their intake. But urine is very high in nitrogen and could potentially "burn" ...
6
votes
2answers
278 views

Is peat moss nutritious enough for tomato seedlings?

I have a seed starter kit with a wicking system. The kit came with a peat moss mix and I have purchased some new peat moss pellets for starting seeds. I know that peat does not really contain any ...
5
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1answer
225 views

At what point do seedlings start to need nutrients? [duplicate]

A seed has all the food it needs to germinate so water is enough to make it grow, after that though, at what point are minerals and other nutrients needed? I suspect the time would depend on the type ...
4
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1answer
67 views

How should I add spent coffee grounds to Azaleas?

My garden has rocks and weed fabric. Must I remove both and add the grounds to the soil or can I just add on them on top of the rocks?
12
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7answers
4k views

Is spent cat litter an appropriate source of nitrogen for compost?

Is spent cat litter an appropriate source of nitrogen for compost? The cat litter used is made of recycled paper pellets so is rich in carbon. It doesn't contain the cat faeces because that is ...
5
votes
3answers
105 views

What does Mesquite Tree sap have that possibly makes it a good fertilizer for dragon fruit?

I have 2 dragon fruit (pitaya) growing under a large 30-year-old mesquite tree. The mesquite tree is dripping sap at the base of one of the dragon fruit plants. This plant is a deep green healthy ...
3
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3answers
119 views

Can I use 12-6-9 fertilizer sticks for a Ficus Bonsai?

I have a bunch of plant food sticks described as "compound organic and inorganic NPK 12-6-9 fertilizer with micronutrients for ornamental plants". I wonder if this is suitable for a Ficus (Ginseng?) ...
4
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1answer
73 views

Is this a good 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 ...
-1
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1answer
85 views

Why is my lemon tree losing leaves after I gave it tomato feed?

There are pale blotches on the leaves of my lemon tree. There are no pests or mites, but all leaves have fallen from tree. I have tried a tomato feed with no results.
2
votes
1answer
115 views

Why does my gardenia have brown patches on it's leaves?

This plant has been growing normally for a while but I woke up this morning to discover brown patches and some shriveled leaves. I had previously sprayed it down with fungicide and then with ...
1
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1answer
591 views

How can I save my dying palm tree?

My palm tree started to become yellow in the last couple of months and I don't see any improvement. I've tried with some spike fertilizers for palm trees, but didn't seem to help. Here are some ...
2
votes
1answer
66 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 ...
3
votes
1answer
92 views

Can frog droppings be used as fertilizer?

In the context I am thinking, I would essentially be mixing the droppings into the topsoil in a plant bed. How much would be too much? How much would be too little to make a difference? Nutrient ...
7
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2answers
9k views

Should I use aluminum sulfate (sulphate) to acidify my soil?

It is often recommended online or by nurseries to apply aluminum sulfate to plants like blueberries, rhododendrons, azaleas and to hydrangeas to make the flowers blue. Is this advice I should follow? ...
3
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1answer
77 views

Milk powder (for automatic coffee machines) as fertilizer?

I have plenty of out-of-date milk powder for automatic coffee machines (powdered skimmed milk obtained through hot air drying followed by agglomeration process; sole ingredient: powdered skimmed ...
4
votes
2answers
111 views

What are good organic phosphorus sources for fruiting plants, other than rock phosphate or animal products?

I know the norm is to use rock phosphate or bone meal but I can't find rock phosphate in my area and it's expensive to ship because of the weight. I'm not able to use an animal product like bone or ...
5
votes
2answers
220 views

Is it beneficial to drop earthworms or red wrigglers into container plants?

Maybe it isn't worth much in smaller containers but at what size might this become beneficial? How many worms? Would I need to layer the bottom with additional food for them to eat? Would what the ...
4
votes
2answers
119 views

Is it OK to use human waste or spent cat litter for fertilizing edibles?

Is it OK to use human waste or spent cat litter directly into the soil where you grow fruits and vegetables?
4
votes
1answer
206 views

Why can't you get organic fertilizers in powder form?

I'm just wondering why most of the organic fertilizer are in granules. Yes, fish emulsion is liquid but there are no organic fertilizer is in powder form. Wouldn't it be easier if they crush the ...
12
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1answer
1k views

How do I know if a fertilizer treatment is burning my trees?

I started using fertilizer spikes on my dwarfed citrus trees in small pots. (Details may be found in this question.) As suggested, I used half a spike for each pot and I put the spike as far from ...
4
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2answers
100 views

When should I first use fertilizer on new plants?

In general, when is the right time to feed new edible plants fertilizer that you've planted from seed? After they've sprouted a bit?
13
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4answers
16k views

Why does my grass have bright green patches?

My yard is about 6 years old (new house). When we put the yard in, the seed was equal parts Fescue, Rye, and Kentucky Bluegrass. We live in NE Ohio. About 2-3 years ago, we started getting these ...
11
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2answers
947 views

What do the numbers in the names of indoor liquid fertilizers mean?

I went to pick up some liquid fertilizer for the plant I keep at work and I saw several varieties : Liquid Growth Indoor Plant 4-12-9 Food; All Purpose Liquid Concentrate Plant Food 12-4-8 with ...
4
votes
1answer
187 views

Can excess NPK fertilizer damage my container-grown plants?

I live in an apartment building, and all my plants grow in pots or small flower beds. Since I moved here, 7 years ago, I have only watered the pots and revolved the "soil", eventually adding more ...
2
votes
2answers
139 views

Do herbs grown in containers need to be repotted?

I'm trying to grow some herbs (basil, coriander, and chives) in pots on my kitchen windowsill. This seems to work pretty well for a while, but usually they die after a little bit (well, the basil ...
10
votes
2answers
840 views

How and when to plant young grafted fruit tree?

Our backyard is in a Mediterranean climate (Adelaide plains, South Australia) and we've been gifted a young grafted apple tree which has its root ball still wrapped in plastic. It's about 1.3m (4ft) ...
1
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1answer
42 views

When trellising pumpkins, do I need to fertilise more heavily?

This year I decided to try trellising my pumpkins and am wondering about the impact this might have on the fruit, since the vines won't be putting down roots as they run. Does anyone have experience ...
5
votes
2answers
325 views

Does fish emulsion (or another foliar feed) work as a foliar fertilizer on needle leaved evergreens?

I know how fish emulsion works as a foliar spray on deciduous shrubs, but will it work on needle leaved evergreens such as mugho pines and junipers? If not, what should be used for comparable result? ...
9
votes
3answers
2k views

Dandelions taking over the lawn

My lawn was overrun with dandelions so I've used some Ortho Weed-B-Gon Max and that seems to be killing the dandelions very well. The problem is now my lawn is very sparse with grass. There just ...
6
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2answers
138 views

Do nutrients always flow downward in soil?

I've been reading and watching planting techniques. Many people place fertilizer at the bottom of the planting hole before putting in the plant. The first example is from Osmocote's fertilizer ...
2
votes
2answers
73 views

What's the best N-P-K ratio for Norfolk Island Pine?

What's the best N-P-K ratio for fertilizing Norfolk Island Pine? According to this article I should go with 10-10-10. Is it a good combination? Also, how should I apply it? Should I spray it on, or ...
8
votes
2answers
861 views

Does bonemeal promote bigger and stronger plants through root growth?

There are many web sites on how to use bone meal with claims like "Using bone meal will help your flowering plants, like roses or bulbs, grow bigger and more plentiful flowers." Is this true for all ...
1
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1answer
380 views

What are the optimal N-P-K levels for fertilizing potatoes?

I have some russet potatoes that seem to be doing well growing in a plastic tub. (This photo was taken near sunset; they do get 8+ hours open sun.) I have a choice between these three fertilizers, ...
4
votes
1answer
258 views

Would this citrus fertilizer be suitable for chili peppers?

I bought a bottle of organic fertilizer which is in liquid form. The instructions are in German but the merchant here labeled it as "organic fertilizer for fruit" so I just bought it. Now I found out ...
1
vote
2answers
151 views

What is the best frequency to fertilize fruit trees?

What is the best frequency at which to fertilize fruit trees? The first method is to dump a large amount of fertilizer to feed the plant one or two times per year. This method was the preferred ...
10
votes
3answers
877 views

Is charcoal good for use as a soil amendment?

I came across an article the other day on wikipedia about Terra preta. Has anyone used charcoal like this to enhance sandy soil, like we have in Florida? Does this really work, and what is the best ...
1
vote
1answer
39 views

questions on deep root fertilization

One of the dog wood trees in my yard does not grow healthy. The tree care professionals recommend the so-called deep root fertilization, and I agree to move on with this operation. Yesterday, ...