Questions tagged [containers]

Plant pots and boxes that hold soil and growing plants. Use this tag with questions about different aspects of containers or problems about plants potted into a specific type of container. Most common types are: ceramic, plastic, concrete, clay or terracotta.

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Help to keep plants watered without overwatering and prevent burning the leaves?

I have a Majesty Palm and a Monsterra I am trying to grow so I followed the instructions on the tag to water once a week. But I live in a dry environment so by end of the week, both had yellowing of ...
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1 vote
4 answers
75 views

How effective is boiling water at sterilizing pot soil?

Aspiring to do sustainable* container gardening, I'd like to reuse the soil in my balcony pots each year instead of throwing it away. A fascinating idea is that watering a balcony pot with boiling ...
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4 votes
0 answers
23 views

Are multiple sprouted potato eyes okay?

So recently I saw that my 3 potato's sprouted in my 7 gallon pot. However each potato had 2 or 3 eyes and all of them came to. Could they be overcrowded and if so, do I need to prune and leave only ...
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Small garden: Fully paved, Partial paved with grass or Full grass?

What is the value in a maintaining a little grass patch in a small garden? We're moving from a a rural area with a big garden to an town where every house we can afford has a small garden. The reason ...
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1 vote
0 answers
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Potting on annuals into one pot

I've grown some annuals (e.g. sunflower and cosmos) and pricked out the seedlings into small pots (one per seedling). Once the roots started to show at the bottom, I potted them on to 3 plants per 9-...
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1 vote
1 answer
26 views

Are there too many Asiatic lilies in this pot?

I bought these two years ago and put them in this pot. There's more of them now. Will they sorta reach an equilibrium with the space they have on their own or do I need to thin them out?
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2 votes
0 answers
28 views

Need some help for my newly planted cherry tree

It is a Summit cherry tree, planted one month ago in a container. Recently most of its leaves and sprouts became drooped and it also has much less leaves compared 2 other cherry trees planted around ...
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2 votes
2 answers
37 views

Roots growing up in newly potted propagate

I tried propagating my first plant: a fiddle leaf fig. I propagated in water and when roots were about 2 or 3 inches I put it in a pot with soil. I noticed some roots started showing above the soil. ...
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Bird of paradise leaves shriveling, how can I fix it?

The leaves on this Bird of Paradise (Strelitzia Nicolai/banana plant) are folding onto themselves and browning at the edges. I'm struggling to figure out why this is happening. It might be due to the ...
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1 vote
0 answers
28 views

How to dose ammonium chloride?

I stumbled upon a brick of ancient NH4Cl. I dissolved a teaspoon of it in water and fed it at the base of a young pelargonium. Despite sufficient sunlight it's leaves were yellowing so I assumed ...
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2 votes
2 answers
36 views

Can outdoor potted plants grow as large and as well as those planted directly in the soil?

My garden has lots of trees in it, making a very rooty soil that is hard to grow anything in, so I plant (mostly herbs) in pots and place these outside in the garden. I was wondering if theoretically, ...
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  • 177
1 vote
0 answers
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Why are the edges of my lemon verbana plant turning brown?

My lemon verbana often has leaves that are dry around the edges. It doesn't happen to all leaves, but it happens too often for my liking. It's been getting plenty of water, not a whole lot of sun (it'...
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  • 177
2 votes
1 answer
26 views

Container lime tree has discolored new growth

I have a semi-dwarf Bearss lime tree in a container. It seems vigorous and started flowering and producing fruit only a few months after I bought it. It is producing new growth well, but I have ...
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3 votes
1 answer
32 views

Need help with container sizes for planting herbs

I'm a total noob when it comes to herb gardening and have a doubt here. I've got 5 plastic containers, 4 small ones with about 7.5' diameter and 1 slightly larger at 10' diameter. The 5 herbs I want ...
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2 votes
1 answer
47 views

Can a hinoki cypress thrive in a planter with access to the earth below?

I moved into a new place with a very small 'yard'. I would like to plant a Hinoki cypress, but there is no direct access to the earth because the whole yard is covered with deck or porch. There is a ...
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  • 121
1 vote
2 answers
54 views

Mold growing on the pot surface

On the surface of this pot there have been this mold growing. The color varies from yellow-white to bright yellow. Is it dangerous for the plant, can it spread to the other pots I have in the house ...
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4 votes
0 answers
33 views

Elevated drainage holes in a plastic pot

I bought a plastic pot today that has three drainage holes. The drainage holes are about an inch above the bottom, as in the picture below. What is the reasoning behind this? Is it better if I drill ...
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2 votes
1 answer
27 views

Spider plants failing to thrive after dying back - parent still doing well

I have some spider plants that I grew from babies from a parent plant. They were mostly doing "OK" until a few months ago when the new plants simultaneously lost all their leaves suddenly - ...
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3 votes
2 answers
277 views

Windbreak on urban balcony

I'm looking for a wind break solution for my balcony. It's a rented property (British/EU) and I am not allowed to drill into external wall. It is a top-floor, south-facing balcony and is pretty much ...
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1 vote
1 answer
41 views

Yellowing branches in otherwise thriving potted Japanese maple

my potted Japanese maple has some yellow twigs with no or dead leaves. The rest of the tree is thriving. What is the issue that's causing the yellow branches? Should I prune them asap as I see them? ...
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0 votes
0 answers
26 views

Tiny black and white insects under every pot

In my small garden, I used to have a lot of garden ants living under the pots. With these ants, there used to live black, and some white insects. They (ants and those insects) live under every pot. ...
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2 votes
2 answers
36 views

Why are hanging planters wider at the top?

Is there a reason why pots used for hanging are wider at the top? Does this benefit the plant? Assuming that both are made of plastic and both hold the same amount of soil, which is the preferred ...
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4 votes
2 answers
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How to maximize nutrient retention in a coir hanging basket?

I had put potting mix directly into a coir hanging basket: Whenever I water the basket (or when it rains), the water that drains out the bottom is usually dark, which suggests that nutrients and ...
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  • 141
3 votes
1 answer
38 views

Do big outdoor planters need a saucer?

I wanted to build a two-foot (24”) square planter from left-over tiles. I will drill small holes at the bottom, so it will have drainage holes. These planters will be moved to an outdoor area where ...
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2 votes
1 answer
29 views

Suggestion for plants in pot on window where there are lots of sunshines

I am in New Zealand, even it is winter but in my place, the window has always been shined by the sunshine and it is really hot. I am wondering if there is any plant in a pot (having flower) that I can ...
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4 votes
0 answers
62 views

Leaves on banana plants withering away

My banana plant is withering away. Leaves are starting to turn yellow/brown, droop, and in general the plant is deteriorating. The plant is in a pot, inside, and gets a lot of light although not a lot ...
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  • 141
5 votes
0 answers
61 views

Is it possible to use terracotta pots as wicking chambers for self-watering planter boxes?

I'd like to build a self-watering planter from wood made watertight with something like rubber pond liner. This would be larger than just a self-watering pot, dimensions around 2' by 4' and a planting ...
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  • 191
4 votes
2 answers
59 views

What are these light green spots on my tomatoes?

I saw this in nearly all of the old growth. In researching this I found that it could be eggs of a leaf-miner, or simply just sun damage. I wanted to confirm if this is something to worry about, and ...
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2 votes
1 answer
22 views

How to avoid black dots and green worms on a lettuce?

Just a week ago, I planted a young letuce in a small pot in my second-floor window. Today, I found these black dots: plus three big green worms (not shown). I have no idea how they got into the ...
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1 vote
2 answers
47 views

Is this a weed growing in pot?

My concrete rooftop is so hot, that cactuses and weeds are pretty much the only thing that survive. We’re in the Caribbean. So I was surprised when I saw something that doesn’t look like a cactus ...
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3 votes
1 answer
55 views

Oak sapling in pot is not branching

I moved a small oak sapling to an indoor pot last year and intend to keep it as a bonsai project, the tree seems generally healthy and had one growth this season allready (it didnt lose all its leaves ...
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1 vote
1 answer
27 views

What is wrong with my hydrangea

I believe my hydrangea has powdery mildew which was present when I bought it but got worse. I don't overhead water. I sprayed with a baking soda mix yesterday and think it helped but noticed how bad ...
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1 vote
1 answer
50 views

Does adding large amounts of compost permanently decrease soil drainage?

Composting all my kitchen scraps in buckets ~20L results in: large amount of compost compared to the amount of soil on the balcony (say 60L compost/year versus 200L of soil) low temperature ...
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  • 755
2 votes
2 answers
46 views

Potted cilantro plant falling over outside. What am I doing wrong?

It’s not standing up straight and the ends look very fragile. I’m not sure if I should try to repot it and add more soil. The pot is 12.5 inches. The pot is draining and I am careful not to overwater ...
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2 votes
3 answers
144 views

How can I divide a long planter into two gardens?

The decking between my property and my neighbours is divided by a very large concrete planter box. It is very roughly 4x1x1 metres (13x3x3 feet) internally. Over the top of the planter, down the ...
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3 votes
1 answer
59 views

Pepper Plant leaves Wilting, please help

Recently bought a pepper plant and transplanted it into a pot. Mulched over the top since its been in the high 80s F recently and I didn't want the soil drying out. Its only been in the pot half a ...
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0 votes
1 answer
58 views

Avoiding snails around potted greenery?

I had an idea about snail trap. I was wondering if placing a plastic ring in a form of a brush around a pot with needles pointing down would serve the purpose. Using very tiny spaced needles (i.e. low ...
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3 votes
0 answers
21 views

Measuring soil dampness with terracotta pot

I recently got this small citrus tree and it says it is supposed to be watered when the soil is dry 1 - 2 inches deep. I've been measuring this with my finger. This is my first time using a terracotta ...
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  • 259
2 votes
4 answers
72 views

What to do with pots with no holes in?

As far as I'm aware, the majority of plants require good drainage and don't like sitting in water. So what is the purpose of and what do I do with a pot that has no drainage holes in the bottom?
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  • 321
2 votes
2 answers
162 views

How to balcony garden in a pot without drainage holes?

I plan on using containers of various sizes (10L, 20L, 200L, 1000L) for growing vegetables for fun but have impediments to providing drainage holes, such as: no large enough tray available pot ...
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  • 755
1 vote
0 answers
27 views

Suggested pot size for fruit trees?

In different orangeries the pots for fruit trees (in particular citrus fruit) seem rather small compared to what some gardeners suggest, and also compared to the following root ball table. What ...
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  • 521
1 vote
1 answer
68 views

Are fiberglass planters good for citrus trees?

I have ordered two 5-7 year old citrus trees(orange and lime). Now I am looking for sturdy enough planters to plant them in in my backyard. I am going for the look underneath. However if I get that ...
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  • 111
1 vote
0 answers
23 views

Is this a disease?

I have planted a curry leaf sapling taken from a local nursery in a 10 inch pot in fresh store bought potting mix (cocopeat, perlite, vermiculite, sand, rice husk, vermicompost, neem extract). I put ...
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  • 405
0 votes
0 answers
20 views

Can I use this brand of bleach with some other ingredients to sterilise seed trays?

Where I live in Delhi, India, there is no pure bleach available. The only similar option is something called Rin Ala, which is a laundry liquid bleach with 4 percent Sodium Hypochlorite (bleach), 1 ...
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  • 405
0 votes
2 answers
79 views

Should I place this plant directly in sunlight?

I have brought a curry leaf plant sapling from the local nursery. It was planted in a plastic bag filled with soil from the ground. I have placed it in a 12 inch pot today with fresh store bought ...
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  • 405
2 votes
4 answers
136 views

Are synthetic fertilisers necessary in potting plants?

Is it possible to have healthy plants (edible ones) flourishing in pots without the use of synthetic fertilisers? I have concerns regarding fertilisers polluting nearby water sources/soil from ...
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  • 405
2 votes
2 answers
120 views

How do some seeds germinate and flourish in soil filled pots?

I have regularly seen people not recommending plain soil for pots, since the roots of the newly generated seedlings suffocate in the lack of oxygen due to its compact nature and lack of water drainage....
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  • 405
3 votes
1 answer
158 views

Are clay pots better than plastic ones in hot temperatures?

In the region where I live summers are relatively hot (up to 35°C or 95°F) and sunny. Some of my plants grow in dark plastic pots, which can get pretty warm. When I water them, the water and the soil ...
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1 vote
0 answers
53 views

What plants won't do well in 12 inch raised bed

I built a 12 inch raised garden bed with weed tarp at the bottom. (See also Raised garden in flood zone) I put the weed tarp in to prevent grass and other weeds from coming up from the ground. This ...
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  • 689
2 votes
1 answer
56 views

Best Vegetable for growing in pots?

I've grown a few different veg over the years including Tomatoes, Green Beans, Peppers, Sweetcorn and a few others. However, they are usually planted in the ground. I'm looking at moving house later ...
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