Nutritional supplements for soil.

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7
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2answers
698 views

What should I do about bare patches in my lawn after killing off Creeping Charlie?

I live in midwest Iowa and my lawn has started to get taken over by Creeping Charlie. After much reading, I went out and bought the Ortho Weed Be Gone to try and kill it off. A week ago I tested by ...
2
votes
3answers
92 views

My potting soil is being overrun by soil insects. How do I get rid of them? [duplicate]

I am having a hard time getting rid of insects in my potting soil. My plants are droopy. I have applied a good amount of diatomaceous earth to all of them, even to the roots, but these insects don't ...
0
votes
1answer
46 views

What is the value of powdered onion as a fertilizer or soil amendment?

Hypothetically speaking, if I have a whole bunch of onions that I powdered, what value might that powder have as a fertilizer or soil amendment for plants like tomatoes, peppers and cucurbits (just ...
1
vote
1answer
71 views

Is it possible to verify that my “organic” landscaper isn't sneaking synthetic fertilizers and/or pesticides onto my property?

A lot of companies offer "organic" programs for lawn and landscape care. I have listened to a lot of cynics say that all of them sneak prohibited chemicals onto the landscape to deliver results ...
6
votes
2answers
48 views

How do I change the soil on already planted plants (not in pots)

So my plants arent growing too well in my garden (as compared to my friends with the same plants I gave them) and was wondering how do I give my plants better soil? I've already mulched the ...
5
votes
1answer
42 views

Which Fertilizer should I use for Coriander?

Which fertilizer should I use to grow larger leaves on coriander plants? I have read this question - What could cause my coriander plant to start browning? Which talks about over water logged soil ...
2
votes
2answers
91 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
votes
1answer
90 views

Money plant leaves are too big ~6"

Why is my money plant (pothos) growing such big leaves? https://instagram.com/p/3u2cUloqIP/
2
votes
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) ...
2
votes
1answer
46 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 ...
5
votes
3answers
85 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 ...
0
votes
1answer
74 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
votes
1answer
51 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 ...
4
votes
2answers
767 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 ...
5
votes
1answer
254 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 ...
6
votes
2answers
292 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 ...
4
votes
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?
5
votes
3answers
115 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 ...
-1
votes
1answer
90 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.
3
votes
3answers
136 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?) ...
3
votes
1answer
133 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 ...
3
votes
1answer
137 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 ...
2
votes
1answer
70 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
78 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 ...
5
votes
2answers
229 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
122 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
78 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 ...
4
votes
2answers
129 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 ...
4
votes
2answers
102 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?
4
votes
1answer
206 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 ...
3
votes
2answers
397 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
votes
2answers
148 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 ...
1
vote
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 ...
6
votes
2answers
141 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 ...
1
vote
1answer
413 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, ...
1
vote
2answers
159 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 ...
1
vote
1answer
658 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 ...
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, ...
5
votes
1answer
107 views

Can I use sweet potato leaves as a dynamic accumulator?

I have been thinking about growing Comfrey in my garden but I came across several articles mentioning that once it is in your garden, it is there forever because if you cut the roots, it grows like a ...
4
votes
1answer
41 views

Is there fertilizer management web site available?

Does anyone know if a fertilizer management web site is available? I'm looking for a site where I can enter my plant/tree collection and the fertilizer that I use on each and let it know when I last ...
2
votes
2answers
77 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 ...
6
votes
2answers
371 views

What ingredients in milk make it a good fertilizer?

During the dead of winter when the temperature was hovering consistently around 32F I took 3/4 gallon of milk that had gone bad and pored it on the grass near the back porch. To my amazement the grass ...
4
votes
1answer
160 views

What exactly happens to potting soil if it is stored for a long period of time?

The story: I have bought a few sacks of "Plagron Royal Mix" here in Chile. This soil is supposed to be sufficient for my "tomatoes" for roughly six weeks. After four weeks in the soil I noticed ...
4
votes
2answers
124 views

How does Guano improve plant life?

I'm interested in the use of Guano as a plant fertilizer. Are there only specific plants to give this to? Also, how much and often is it necessary? I mix organic compost every 2 - 3 months for my ...
3
votes
2answers
446 views

How to save my plants after fertilizer overdose

Yesterday we accidentally put too much fertilizer into our pots. Today the leaves start to turn brown. Is there any way to save them? Some details: We have two pots - one with basil, one with ...
3
votes
1answer
4k views

A visual reference to nutrient deficiencies in plants [closed]

Often times we cna look at the leaves of a plant to determine what nutrients are missing in the soil which the plants need. It would be nice to have a repository of images with accompanying ...
5
votes
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 ...
7
votes
2answers
10k 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
votes
3answers
377 views

Fish fertilizer for my lawn

I was told by someone that fish fertilizer is good for the lawn; just use 3 tablespoons in a gallon of water and apply it to the lawn. But how many gallons should I use for a lawn that's about .3 ...