Questions about when, where and how much to water plants, about techniques for watering and about the equipment gardeners use to deliver water to their plants.

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21
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3answers
11k views

How to prevent avocado from drying out indoors?

I have an avocado plant that has grown indoors since it was a pit. It grew first in a badly insulated, north-facing, wet and cool house, where it grew splendidly. After i moved to a well insulated ...
5
votes
1answer
301 views

Cedar Hedge drying from the inside

We planted a cedar hedge this spring (4 months or so ago). The trees were fine this summer, some of them had one or two dried branches; nothing out of ordinary. At the end of the summer, some trees ...
11
votes
2answers
4k views

Why have my tomato leaves started yellowing at the base?

One of my tomato plants (Better Boys if that matters) has a few leaves that have started yellowing on the lower branches. Not sure if they aren't getting enough water, or if they are diseased or what. ...
7
votes
3answers
305 views

Non mechanical plant watering systems?

I travel too much, and, honestly I don't really have a green thumb plants. Still, I like them and would be happy to keep some resilient plants if could get geeky about it :) I was trying to figure ...
18
votes
6answers
2k views

How do I keep an indoor plant hydrated while I'm away?

I'm trying to grow chili plants in my dorm room. So far I'm just starting, so I have just four small pots (until they grow larger and I have to give them a bigger home). I'm usually away for only a ...
22
votes
5answers
2k views

Any benefit to watering whole plant (leaves and all) instead of just the soil/roots?

A question I often wonder about when watering outdoor pots in the dead heat of summer. Should I just make sure the soil in the bed/pot is watered sufficiently, or is it necessary/advisable to also ...
9
votes
2answers
7k views

How much should I water my cherry tree sapling?

My good friend's dad helped me plant a cherry tree sapling (about a handspan high) the other day (I don't know what kind). He brought over the rooted pot, dug the requisite 18-24cm depth, and ...
6
votes
2answers
251 views

One of my indoor pepper plants seems to drink less water than its peers. Should I be concerned?

When I water my potted peppers, they all get pretty much the same amount of water, as I have a small jug that I've discovered provides just enough water to soak through the soil and just start seeping ...
36
votes
6answers
5k views

Is it bad to water plants in the evening?

Is it bad to water plants after the sun has gone down or near dusk? If so, why?
19
votes
5answers
3k views

Does eating fruits and vegetables watered with greywater affect your health?

Does using greywater on your fruit and vegetable garden affect your health in a negative way? Greywater is the run-off or cast off water that lolls about when you do normal washing around the home. ...
12
votes
1answer
248 views

What is a good watering routine for a bonsai?

If I have just purchased a bonsai, what is a good watering routine that I should start with and how should I adjust this routine regularly?
11
votes
2answers
487 views

What should I do about standing water in potted plant?

I have a large (70L?) moulded plastic pot which is filled with topsoil, and has a freshly planted lilac bush in it. I had noticed this pot did not have drainage holes at the bottom, but had thought ...
11
votes
1answer
3k 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" ...
8
votes
2answers
754 views

If it's possible to overwater a plant, then how do plants grow hydroponically?

This is confusing me since I am new to the idea of hydroponics. I have read that it is possible to damage a plant by overwatering it, so how can plants live with their roots submerged in pure water? ...
6
votes
1answer
1k views

How much water should I give my veggies every day?

I have the following plants, each with their own drip feed: Corn Tomatoes Peppers Squash Cucumber Cantalope Crenshaw mellon Zuccini Artichoke Bush beans I have a bunch of drip ends that are 1 ...
34
votes
3answers
3k views

How do you know if you are watering a plant too much vs. too little?

I live in Arizona, and I can never tell if I am watering my plants too little or too much. Plants are very touchy here - and you have to be able to read the signs correctly. I can't. What signs are ...
7
votes
4answers
1k views

How do I keep my balcony flowers hydrated while I'm away?

Seeing this indoor question made me look for an outdoor version of the same but found nothing, so here goes: We've got a balcony with a very large planter on the outside in which we have planted some ...
6
votes
1answer
177 views

What is a perched water table?

In gardening, especially container gardening, you will run into the phenomenon called a 'perched water table' (PWT). What is a perched water table, and how does it work?
14
votes
3answers
2k views

Does water temperature affect vegetable plant growth?

Generally speaking, when watering a vegetable garden, are there any benefits to using cold water vs warm or vice versa? I'm in Wisconsin, so 90+°F is about as hot as it gets around here. Typically ...
11
votes
2answers
3k views

How do I repair a soaker hose?

I laid out a soaker hose system for my garden this year. Unfortunately a few weeks ago I went to turn it on and noticed a loud spraying sound coming from one area, when I removed some mulch the water ...
8
votes
5answers
802 views

Is there evidence that a deeply watered lawn will develop deeper roots?

Everyone says "deep and infrequent" when describing how to water a lawn, but is there evidence to back up this suggestion? I can expound on this several ways: 1) Why would one want deep roots if one ...
2
votes
1answer
49 views

Extending Life of Cut Flowers

I was reading this article on Extending the Life of Cut Flowers and had a couple of questions. As was also pointed out on How to keep my roses fresh?, you should cut the stems at an angle under ...
12
votes
3answers
407 views

How do you water tiny seedlings?

I just germinated some mini sinningia from seed and the seedlings are very small. When I water the soil, the soil mixture just floats on the water because some of them are perlite. The perlite and ...
12
votes
1answer
6k views

What does it mean if my tomato leaves are curling?

The leaves on my tomato plants are curling up and I'm wondering if they are getting enough water. The leaves are still green and there are tomatoes on the plant, but I didn't know if that was a sign ...
10
votes
2answers
6k views

How long do you water after planting grass?

I have just planted some grass seed to replace some grass lost after the dry summer. I have been watering it daily for 3-4 days. How long should I keep this up?
8
votes
1answer
173 views

Is rust from steel rainwater barrel harmful?

We are using a used steel drum barrel as a rainwater container. Someone else in our house brought it from work, and we haven't bothered replacing with a plastic one yet. Supposing that there is no ...
8
votes
4answers
2k views

What is the right time to water my lawn?

I finally own my home and this is my first spring. I have a decent front lawn that I want to keep as green as possible. I've always been told not to water in the day as it can burn the grass (as a ...
8
votes
2answers
1k views

How much water is lost in watering your lawn during the day?

I've always heard not to water your lawn during the day and that the fine water droplets will evaporate before it is absorbed by the lawn (either in the air or while sitting above ground). But how ...
6
votes
2answers
1k views

How much space can I leave between soaker hoses in my garden?

I'm in the process of planting my garden, and I had planned 3 ft wide raised beds with a single soaker hose running down the center of each one. I am using a square foot layout, so there will be 3 ...
3
votes
1answer
154 views

What could cause brown spots on the leaves of a Song of India plant (Dracaena reflexa)?

As you can see in these pictures our Song of India (Dracaena reflexa) is having some problems. I say it is too much water, while my wife says not. What do you say? Click any photo for full size
2
votes
1answer
198 views

Golden Pothos Leaves Are Regularly Dying

I have a very interesting set up and had questions about the differences across our factory floor. We have three columns of Golden Pothos that are numbered about 96 plants (unless the irrigation ...
2
votes
2answers
66 views

Are there cacti that don't rot when overwatered?

I've got yet another cactus rotten and this was most likely causes by overwatering. I'll try to rescue it but I'll likely need a new one anyway. Are there perhaps cacti that don't rot when ...
1
vote
3answers
426 views

Improving water retention in potted plants

I live in a temperate climate zone. I have plants on a west facing balcony- they get full sun from about midday till sunset. I don't have a tap on this balcony, but have put an extender on my hose ...