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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9
votes
3answers
136 views

What plants can I use to reduce soil humidity?

I live in Chile where the land slopes up into the hills just a few meters from the coast. I have a garage at sea level with the back wall in the ground and there's a little river flowing inside it. I ...
4
votes
2answers
264 views

How Do I Determine The Best Watering Schedule For My Lawn?

I just bought a new house and I want to program the irrigation system. I don't know anything about the lawn or the system because I just moved in. I want to know how often I should water the lawn, ...
4
votes
1answer
403 views

How much water does a grape vine need?

I have a grape vine in southern California (only rains in winter). How much water does it need? I have seen advice ranging from nothing to several gallons a day. Does anyone have any concrete ...
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 ...
1
vote
2answers
213 views

Soil of a potted plant is holding water. Should I loosen it?

Each time I water my potted plant, I notice that the surface of the soil is holding water. Should I loosen it up with a small spade? Once I have loosen up the soil, is there anything else I should do? ...
4
votes
1answer
349 views

Why do I have standing water in the saucer after repotting my rubber plant?

I have a large rubber plant that I re-potted in a larger pot with drainage holes and placed one of the water saucers/catchers underneath. I water the plant once a week and I've noticed the water is ...
4
votes
2answers
206 views

What is this plant and does it require a lot of sunshine? [duplicate]

Could anyone help identify this plant? I had it in my previous apartment that was facing north. Now we placed it in front of the window facing east, where it gets much more sunshine that before. Does ...
3
votes
1answer
83 views

Simple DIY Sprinkler Sets: A bad idea?

My wife & I purchased a home in November in Los Angeles. There's a fully automated, underground sprinkler system in the front, but nothing in the back. The backyard is a bit of a mess. Not ...
4
votes
2answers
1k views

Watering of tomato plants with plastic bottles

I'm having tomatoes in a little greenhouse. I water them by using plastic bottles where I cut of the bottom part, put them a few cm into the soil and fill them each two days entirely with water (+- 1 ...
1
vote
2answers
135 views

How often to water vegetables / herbs with garden hose?

My vegetables and herbs are all in pots outside in full sun. I don't have a drip system. I just water my plants by hand with the hose on the mist setting. How do I get the 1" per week amount of ...
2
votes
3answers
341 views

How do I water my two apple trees?

I have two apple trees. I have lived here for three years and I am sure they are a couple of years older than that. They are both producing fruit but I do not know how to water them. Do I put a ring ...
5
votes
1answer
197 views

How do I water my full grown cherry tree?

I bought a house three years ago, the cherry trees appeared to be fruitless. This year they flowered and now have cherries all over them. They are very large adult trees. Do I water them? How ...
1
vote
1answer
889 views

Are my tomatoes and cucumbers dying from overwatering?

I sowed some cucumbers and tomatoes in April and already lost them all. Now the other batch is dying; I presume it might be over watering as I used different compost. Basically the leaves became a ...
2
votes
1answer
87 views

Can spots on leaves of pea seedlings indicate under- or overwatering?

I'm growing peas in a coffee tin. I noticed some discolorations showing up on the leaves. Can I get an early indication of over or underwatering from this feature, or is it entirely natural?
3
votes
2answers
278 views

Irrigation timer with setable delay before start

I live in a climate that is sufficiently variable that it doesn't lend itself to programmed irrigation. At present I use simple mechanical timers. Put a sprinker in place, turn the timer on, and go ...
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? ...
2
votes
1answer
405 views

What are the growing conditions for Camellia azalea? Especially it's water needs

I have bought this rare breed of Camellia, the Camellia azalea. It's originally from China I think and I have mixed in some coco husk to allow for good water flow and prevent clogging the soil with ...
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
2answers
610 views

How best to connect multiple water butts?

I've just come into possession of two 120L water butts to connect up to my shed on my allotment plot, but as it is a pent roof I need to connect the water butts together as there is only one downpipe. ...
0
votes
0answers
43 views

Watering while away from home [duplicate]

Most of my plants die when I am away for a week or 2 weeks. Is there any way to water them regularly? I don't have a water tap on my balcony. And if I move plants inside they die because of a lack of ...
3
votes
1answer
122 views

Water levels for Mint in a window box

I can only grow things in containers as I have no garden and have an active herb garden mostly consisting of some very happy chives and some potted Bay, rosemary and basil.However the window box I ...
1
vote
1answer
447 views

What type of irrigation system works best with blueberries?

Several months ago I planted a row of blueberries in order to form an (edible) hedge. At the same time I installed an automatic watering system for these and the rest of my fruit trees and vegetable ...
3
votes
3answers
157 views

How to soften water to water plants?

I am living in Tartu where the water is middle hard. I think that it is partially the reason why some of my plants are dying. I manage my plants by watering once a week by room temperature, 20C, ...
2
votes
1answer
239 views

How do I care of Adenium Boehmianum

I'm having my Adenium Boehmianum for almost, em!, maybe 4 years. I'm watering on this scheme (staying in the most sunny place): summer - every week; spring/autumn - every fortnight; winter - once in ...
1
vote
1answer
454 views

How to care for/water Snake's Plant (Mother-In-Law Tongue Plant) indoor potted plant?

I have several indoor potted Snake's plants. One pot has several kinds of plants in it, and is reasonably large - probably 16" diameter. It is filled with Prayer plants, another plant (the name leaves ...
3
votes
2answers
237 views

How do I stop the leaves from curling on my Stromanthe “Burle Marx”?

The leaves on my Stromanthe "Burle Marx" are all curling vertically. I usually water it from the bottom on a bed of stones but I wonder if the water standing on the stones has caused it to be ...
7
votes
2answers
169 views

cultivating a cactus from cutting

I've recently gotten a san pedro (Echinopsis pachanoi) cutting as a gift. I'm trying to take care of it as good as possible, but I'm not sure if I'm doing it the right way. The situation is: the ...
1
vote
1answer
78 views

What to do if I watered a Schefflera arboricola too much by accident?

I recently bought a Schefflera arboricola and accidentally watered it too much before leaving it for a while. When I came back after a few days, the plant had sit in its water for far too long and has ...
6
votes
1answer
1k views

Why do plants root when placed in water, but die in standing water

A lot of plants need well drained soil. They're said to not like getting their feet wet. The explanation given is that the root need oxygen and will die and rot if they're in standing water for too ...
5
votes
4answers
240 views

Does oxygenated watering benefit deep clay?

I wonder if anyone has experience using oxygenated water to water their garden. I have deep clay with a bit of topsoil that I've been amending. But that can only do so much. My fruit trees have ...
3
votes
4answers
188 views

During a heat wave, is it good to use an atomizer during daylight to spread water on the leaves of my Acer Palmatum?

I couldn't resist, I offered myself an Acer Palmatum one week ago. And now we face one of the hottest heat wave nowadays in Europe. I noticed some leaves are already dry, some of them are burnt. I ...
1
vote
1answer
162 views

plant bottom watering system

I'm going to automate the bottom watering process (reservoir and wick method). This design should uses a water float valve instead of a timer. What is the best way to do this? Here are two methods: ...
7
votes
3answers
2k views

PC controlled irrigation system

I am investigating the use of a PC to control my yard irrigation system. The research that I've done has only revealed one system with the (unfortunate) name of Irritrol. Have you used your PC to ...
0
votes
1answer
176 views

Why did hydrangea flowers change from pink to light yellowish/brownish green?

We have a hydrangea in its second season planted outside (New York region). The plant gets a lot of sun for most of the day. The plant had pink flowers the first season and the beginning of this ...
2
votes
1answer
459 views

Dealing with Hydrangea with dark green flower tips and wilting leaves

I had a pot of hydrangeas for a few months which I keep outside. I water them twice a day: in the morning and in the early/late evening. They receive little to no direct sunlight - which according to ...
1
vote
2answers
451 views

How to keep a tree and the grass around it well watered?

I am having a problem with keep the grass around my trees green. Half a dozen trees died in the area last year, so I am trying to make sure that doesn't happen to more. I suspect I am not getting ...
4
votes
2answers
1k views

Restoring overwatered rosemary

I have several rosemary bushes in the backyard; I live in San Francisco and rosemary thrives here. However, the landlord overwatered one of the bushes for several months. It's now got some kind of ...
3
votes
1answer
630 views

Money Plant Branching and Watering

I recently acquired a money plant and have placed it indoors at the top of a stairway in a non-draining pot. The plant seems to be growing very well. I have two specific questions: I have branched ...
3
votes
1answer
105 views

Should I set water aside to off-gas chlorine before using in my herb garden?

Regular tap water contains chlorine, which can be harmful to plants. Is the concentration of chlorine in tap water enough to merit setting water aside for some amount of time before using it to water ...
4
votes
3answers
245 views

Negative effects of water pooling in garden

This year I ripped up some sod to put in a garden, and roto-tilled the dirt. We live in a very nutrient rich area of the country and the plants seem do be doing very well. However I didn't add any ...
5
votes
1answer
1k views

How much should I be watering my peach, pear and plum trees?

I have one tree of each of the following: peach, plum and pear. They have been in the ground for less than a year. How many (gallons per week) should I be watering each tree? I'm in coastal ...
2
votes
3answers
826 views

How can I automatically fill a water reservoir when a low water mark is reached?

I have a reservior of water which feeds a vertical garden. I want to install a type of switch/valve?? that fills the reservoir to a specific height if the water drops below a certain point (low ...
5
votes
2answers
319 views

What features should I look for in a low pressure water timer?

I harvest rainwater in a four hundred liter ( 90 US Gallon) container that has a drop of about a foot to where I want to add the water. It would save me some time if I could program a timer to turn on ...
9
votes
2answers
2k views

Can I water plants with spoiled wine?

I have a small indoor garden. Unfortunately, I also have a dozen liters of spoiled wine. Intuitively, I think watering edibles with wine will be beneficial for them, as the wine carries already ...
6
votes
1answer
626 views

Are my orange tree's yellowing leaves a sign of underwatering?

I have a mature orange tree in my back yard and I've noticed that the lower leaves at the extremity of have started to to yellow over the last couple of months. Is this a sign of overwatering? ...
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
2answers
869 views

Am I overwatering this unidentified (jade) plant?

I have this large unidentified plant which I keep indoors. (a present from my aunt) I don't water it too frequently, and it seems to be doing OK - it's much bigger than it was when I got it a few ...
-3
votes
2answers
829 views

Planting seeds before a rain to save a step

It hasn't rained here for nearly a month, but it's supposed to tonight. I was thinking of doing some quick planting when I get home and let mother nature take care of the watering, is she usually ...
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 ...
5
votes
4answers
1k views

Which US states restrict rain water harvesting?

Does anyone have an up-to-date list of which US states require a permit or otherwise restrict land owners from harvesting water? I know Washington, Utah, and Colorado were on the list at one point.