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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Is it safe to introduce oyster mushrooms to the soil of a potted juvenile lime tree?

I have a juvenile lime tree (1-3 years old, unsure of exact age) growing in a large pot, and I also have a jar of tree elm oyster mushroom spawn. The lime tree is currently healthy. The spawn is ...
Astrid Yu's user avatar
  • 141
3 votes
1 answer
60 views

I'm learning about container gardening and I'm confused about the 30% potting, 70% repotting rule

In my class we learned to repot at 70% root coverage however as I am mostly interested in bonsai style planting I'm confused about this rule. If I am attempting to limit my plant to a certain height ...
Ryan's user avatar
  • 31
3 votes
1 answer
45 views

How to plan spring flower bulb bonanza in containers

I got a little bit over-excited buying bulbs from the Northern Hemisphere (I'm based in the Southern Hemisphere). I am due to recieve some 245 bulbs/corms in December/January. Hopefully they survive ...
watermineporcupine's user avatar
2 votes
1 answer
212 views

Is it a good idea to use some coconut milk on my potted plants as a fertilizer?

I have read that milk can be used as a fertilizer, by mixing it with water and adding it to the soil. For example: What ingredients in milk make it a good fertilizer?, Milk powder (for automatic ...
hb20007's user avatar
  • 165
2 votes
3 answers
135 views

Coverings of drainage hole

I use plastic pots, concrete and ceramic pots with holes at the bottom, often without a saucer for outside. When I water, I bath my plants or put enough water and allow excess amount to pass through ...
Spectra's user avatar
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3 votes
1 answer
85 views

Blueberry Plant is Sick or just Overwatered?

I'm a newbie and could use some help. So I just got my first blueberry bushes and am very excited, but one of the bushes (Jubilee Southern Highbush) is showing some concerning signs. The leaves are ...
Matt Buckley's user avatar
1 vote
0 answers
61 views

What's happening to my tomato plants?

I've had my tomatoes outside in approx 30cm pots for 6 weeks now. Notwithstanding a magnesium deficiency, I believe I have successfully treated with epsom salt, they seem to have been fine. Over the ...
kaybee99's user avatar
  • 111
1 vote
0 answers
27 views

Do large varieties grown in a pot yield small fruits or die?

Consider those large varieties of pumpkins or sunflowers eg mammoth sunflower. What would happen if one plants such a large variety in a small container ? Would the plant restrict it's growth and ...
Nichola's user avatar
  • 111
3 votes
1 answer
40 views

Tree suggestion for shade but in pot

I am looking to grow a tree to have some shade on my roof in the summer. I can only plant it in a pot (not in ground), it will be a 20 gallon pot. Can you give me a suggestion which tree to grow? It ...
EresDev's user avatar
  • 487
2 votes
1 answer
287 views

Tulip tree in a container

I would like a tulip tree but I don't want a tree that will grow over 70 ft tall! Is it possible for it to grow in a container?
user41754's user avatar
3 votes
2 answers
311 views

If I keep the flowerpot small

Let's say you want to grow a tree on your balcony. Will the height of the tree be less, if you use a smaller pot than a larger pot? Let's say on natural ground that tree can grow to 5 meters in height....
upstream's user avatar
  • 143
1 vote
0 answers
26 views

How much nutrients does over-watering remove?

I've encountered the following statement(no source but multiple times): When excess water drains off a container, it removes nutrients from the soil. Is that true? In the practical sense instead of &...
Vorac's user avatar
  • 1,248
2 votes
2 answers
323 views

Is keeping potted plants in standing water harmful?

Consider a container of adequate size with sufficient drain holes underneath and a tray to hold any amount of drained water. Is it harmful for the plants in the container if the excess water in the ...
Vorac's user avatar
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5 votes
0 answers
260 views

What is this fungus (slime mold) with dark brown, rodlike vertical clusters and a slimy webbed base?

I live in the Florida panhandle, and I have two 20" flowerpots with two tomato plants in the first pot and a bell pepper and three zucchini plants in the other. They are on a south-facing balcony ...
killshot13's user avatar
3 votes
2 answers
85 views

Least expensive way to prevent high pH leaching into blueberry root zone

I live in a region of the upper midwest where we have high-pH soil; my soil's pH varies between 6.8 and 7.5. Accordingly, our extension office recommends planting blueberries in buried containers with ...
Paul W's user avatar
  • 325
0 votes
0 answers
46 views

Why is my lemon verbena growing flat?

My container-planted lemon verbena is growing nicely and providing a lot of green leaves, however, it keeps growing very flat instead of tall, to the point that the branches often touch the ground. Is ...
tbkn23's user avatar
  • 229
1 vote
2 answers
64 views

Hang small pots on 4"x4" wood post?

I have a small terrace and the fence is built with several 4"x4" posts. I also have many 6.5”/2.5qt plastic pots with different cacti. Is there a quick and inexpensive do-it-yourself to hang ...
rbhat's user avatar
  • 1,869
2 votes
1 answer
129 views

What size of pot should I choose to transplant my seedlings?

I noticed that my seedlings don’t grow while transplanted in a large pot. What should I do? Should I use smaller pot to transplant seedlings? Is there any guidelines for that? What factor does ...
Sk. Moumita Manjur's user avatar
1 vote
1 answer
300 views

How & when should I prune this potted olive tree?

I've had this olive tree for over 3 years on my (south-east-facing) balcony in Munich, Germany. It's getting a bit 'wide' for my tastes, and I'd like to prune it to thicken the growth and encourage ...
Tempest16's user avatar
  • 185
3 votes
0 answers
30 views

What are these burnt-like spots on my potato leaf?

I planted some Russian Blue potato's (next to some tomatoes I might add) and noticed what I think might be sun damage. However I wanted to confirm, perhaps it's some like alternaria. I also wanted to ...
ParthianShotgun's user avatar
2 votes
1 answer
33 views

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 ...
Cadman's user avatar
  • 21
1 vote
4 answers
512 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 ...
Vorac's user avatar
  • 1,248
4 votes
0 answers
36 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 ...
ParthianShotgun's user avatar
0 votes
0 answers
29 views

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 ...
APossibleGardener's user avatar
1 vote
0 answers
20 views

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-...
user2878409's user avatar
1 vote
1 answer
47 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?
dev_willis's user avatar
5 votes
1 answer
56 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 droopy and it also has fewer leaves compared 2 other cherry trees planted around the ...
Peace and Joy's user avatar
2 votes
2 answers
45 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. ...
bdeonovic's user avatar
  • 195
1 vote
0 answers
213 views

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 ...
kettlepot's user avatar
  • 1,221
1 vote
0 answers
118 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 ...
Vorac's user avatar
  • 1,248
2 votes
2 answers
57 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, ...
tbkn23's user avatar
  • 229
1 vote
0 answers
32 views

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'...
tbkn23's user avatar
  • 229
2 votes
1 answer
46 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 ...
Nate Barbettini's user avatar
3 votes
1 answer
42 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 ...
Prahlad Yeri's user avatar
2 votes
1 answer
51 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 ...
Evan's user avatar
  • 121
1 vote
2 answers
75 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 ...
Nebisinidem's user avatar
5 votes
0 answers
304 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 ...
androidguy's user avatar
2 votes
1 answer
48 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 - ...
diwhyyyyy's user avatar
  • 121
4 votes
2 answers
558 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 ...
testinte5tin123's user avatar
1 vote
1 answer
70 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? ...
MapleCarer's user avatar
1 vote
1 answer
62 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. ...
EresDev's user avatar
  • 487
2 votes
2 answers
49 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 ...
rbhat's user avatar
  • 1,869
4 votes
2 answers
28 views

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 ...
JKSH's user avatar
  • 141
3 votes
1 answer
134 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 ...
rbhat's user avatar
  • 1,869
2 votes
1 answer
30 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 ...
Phil Nguyen's user avatar
4 votes
0 answers
603 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 ...
user32421's user avatar
  • 141
6 votes
1 answer
431 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 a rubber pond liner. This would be larger than just a self-watering pot, with dimensions around 2' by 4' and a ...
jwezorek's user avatar
  • 213
4 votes
2 answers
357 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 ...
ParthianShotgun's user avatar
2 votes
1 answer
61 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 ...
Erel Segal-Halevi's user avatar
1 vote
2 answers
181 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 ...
rbhat's user avatar
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