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.

learn more… | top users | synonyms (1)

3
votes
2answers
22 views

Watering Schedule: Large Jade Crosby

I have a large jade crosby plant. The plant is 2'4" tall, with a 7" trunk circumference at the base. It sits at a south facing window in my apartment. I was wondering about watering schedule. I read ...
12
votes
1answer
7k 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" ...
6
votes
1answer
30 views

how to grow gingko biloba young sapling at home

I found very little information that will help me grow a gingko biloba plant at home. To the T, i'm a novice in plant nursery with a new zeal/interest. Now, I've been watering a young sapling every ...
4
votes
1answer
17 views

Hydroponics Nutrients and Fertilizers, are they same?

Let me start of by saying that I am a person with very little experience of gardening. I have just been growing some plants in my balcony and in the process fell in love with this hobby and stumbled ...
5
votes
3answers
44 views

Why is my Adenium obesum wilting?

This desert rose, Adenium obesum, was put on a window sill on top of a radiator, and did well for approximately 10 days. Then I left for the Holydays. I left the plant with extra water and no ...
4
votes
2answers
36 views

Why is my fern wilting and drying out?

I have a fairly well established fern which recently started drying out regardless of frequent watering, to the point where there was nothing green left on it. I went away for a week and when I came ...
8
votes
6answers
3k views

Is it okay to use left-over pasta water to water plants, including edibles?

We are having a drought in California, so I'm just wondering if I could reuse salted pasta water (after it cools) to keep the plants hydrated. Is this a good idea?
5
votes
1answer
728 views

What are the growing conditions for Camelia azalea, especially its water needs?

I have bought this rare breed of Camellia, the Camellia azalea. It's originally from China I think. I have mixed in some coco husk to allow for good water flow and prevent clogging the soil with too ...
3
votes
1answer
87 views

What is causing the collapsing branches on my Aloe barberae (Aloe bainesii)?

I have a young Aloe barberae (a type of giant tree aloe), about 3 meters tall, which has been in my front yard for three years. I'm in Los Angeles, which has a climate similar to the weather in the ...
14
votes
4answers
5k 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 ...
26
votes
3answers
22k 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 it to a well insulated ...
2
votes
1answer
59 views

Potted poinciana leaves turning yellow

I have some poincianas in pots that I started from seeds back in early July. In the summer, I kept them outdoors on the balcony and they mostly did quite fine, although later in August, some of the ...
2
votes
1answer
58 views

How much water do these hydroponic office plants need?

A large company near our office has moved to another building. We got the charge to take over some of their office furniture, including two pretty massive office plants. Click on pictures for full ...
4
votes
1answer
62 views

How much water should I give to a 20 foot Italian Cypress tree?

I have an Italian cypress tree in my backyard which is about 20 feet tall. How much water should I give it? Also, how frequently should I water it? I should point out a big caveat. The tree is ...
5
votes
1answer
66 views

Can I save any of this orange harvest? (probably under-watered tree)

The house I'm renting has a number of fruit trees. I'm in San Jose, CA and with the drought, it has been a challenge to give them the right amount of water while still conserving. It seems the mature ...
3
votes
1answer
40 views

How to set up a very long (1600 ft) drip irrigation system?

I've been tasked with setting up a drip system, and I'm at a loss of how to go about it. My only source of water is from a 3/4" garden valve. I am planting 250 plants, and ideally 250 emitters will go ...
10
votes
4answers
3k 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 ...
3
votes
2answers
159 views

What should I do to keep my peppermint plant alive?

I decided to buy a small peppermint plant to have in my room this year. I put the plant in a new pot with additional soil and I've been keeping it indoors for most of the time in a place where it has ...
3
votes
0answers
32 views

How can I save deer ferns after a drought?

I have several large deer ferns. Some started to drop significantly during an unusually high summer drought in the Pacific Northwestern USA. I watered immediately and they did not perk up. They are ...
5
votes
2answers
49 views

Advice on potted heathers please!

I don't have a garden, but I have taken to having window boxes with some wild flowers from seed and keeping herbs, which is working out great so far. However, recently I bought heathers, a range inc. ...
13
votes
3answers
4k 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 ...
11
votes
2answers
968 views

Is rust from a steel rainwater barrel harmful to edible plants?

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 ...
2
votes
1answer
112 views

Peace lily flowers are turning black

Why is my peace lily flower turning black? It's the white flower not the green leafs that are turning black.
6
votes
1answer
77 views

Moisture sensors in connection with drip irrigation

Living in dry California, we are about to redo our front yard with native plants only, each of which is getting a drip, for about a dozen plants per irrigation channel. I'm trying to to figure out a ...
6
votes
4answers
4k 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.
2
votes
1answer
39 views

How often should I water my lawn in Georgetown, Massachusetts

Looking to hear from any others in New England, or even more specifically Massachusetts. We just bought our dream home in Georgetown, MA and the one thing that needs a lot of work is the lawn and ...
2
votes
1answer
58 views

Caladium plant leaves turn yellow

I have bought a Caladium Plant last week. When I was potting her, I accidentally cut a few roots. When I saw some of her leaves wilting I associated it with my clumsy hands. But just today I noticed ...
4
votes
2answers
54 views

How do (consumer) soil moisture sensors work?

Wikipedia has a great article on soil moisture sensors, but it focuses on commercial/farming/large-scale settings. I'm investigating options for consumers, and I'd like to understand what technologies ...
8
votes
1answer
1k views

Can I use swimming pool water to water plants and vegetables?

A relative of mine has a small surface swimming pool for kids filled with 5000 liters of water. Now that summer is ending I would like to remove it and put it inside. I don't want to waste water. This ...
1
vote
1answer
43 views

How long before hydroseeds are dead/dried out?

I've dropped the ball. My new lawn was seeded in the middle of the week and we decided to go the hose+sprinkler route rather than irrigation system. I've tried my best with the little free time I have ...
1
vote
1answer
34 views

Micro Drip Irrigation Backflow Filter (To Protect Pump)

I've installed micro irrigation, as: water butt > pump filter > Shurflo 30psi pump > 16mm supply pipe > 4mm pipe > emitters Have seen others mention dirt can enter the emitters & eventually ...
2
votes
1answer
65 views

Deep watering: How much water are we talking?

How long and often must a lawn be watered to promote deep root growth throughout the warmer months? I live in South East Queensland and the summer temperatures range between 25-35 degrees Celsius. The ...
22
votes
8answers
16k views

Is rain water better than tap water for plants?

Is it better to water your plants with rain water collected in water butts? I mean is that better than water straight from the tap? And is it just a matter of temperature (presumably plants don't ...
2
votes
1answer
57 views

Watering container tomatoes while away

I have many 5 gallon containers with tomatoes, courgettes, peppers, herbs, etc. in my garden. I am leaving for 10 days in the middle of August, and nobody will be able to water the plants (also the ...
22
votes
7answers
8k 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. ...
1
vote
1answer
45 views

Pruning and caring for heuchera / coral bells that have gotten too much sun?

It's getting into the driest, hottest part of summer here in MI and my heuchera / coral bells are starting to show some dissatisfaction with it. The outer leaves are browning and turning crispy. My ...
2
votes
0answers
45 views

How can I save an insect-damaged Gardenia?

It is a Gardenia. Insects infested the soil so I added diatomaceous earth in there but maybe I was too late. The plant continued dying so I pulled it out and set it in a bath filled with water to ...
2
votes
1answer
29 views

Desert Ficus Watering Volume?

Watering a ficus grown in Phoenix, AZ, I've recently had irrigation put in that has changed the way I water the tree. Previously I just used a hose and ran it at lower volume output for an ...
2
votes
1answer
26 views

Why is one fernbush thriving and one not?

I bought two Chamaebatiaria millefolium (Fernbush) online. Live in zone 9. plants are in south facing backyard 6-10 hrs sun. I followed the instructions and water both semi-daily, planted in sandy ...
2
votes
2answers
281 views

Night-Blooming Jasmine plant continues to wilt even after treating with baking soda-water spray

I recently purchased some night-blooming jasmine plants. After a week the plants are wilting. I transferred them to new pots with different soil but no improvement noticed. I also sprayed numerous ...
2
votes
2answers
195 views

What hole spacing for a pvc watering system?

I'm making a pvc watering system for my garden based off of a youtube video. I have all the pipes and I'm ready to assemble. I have a roughly 20'x20' garden and based on the video, I bought a water ...
5
votes
1answer
179 views

Is it ok to water plants at noon (peak sunlight)?

So far I heard two opposite opinions: Harmful: watering at noon would shock the plants. Helpful: watering at noon would help the plant at the most difficult hours. And would the answer differ ...
8
votes
5answers
2k 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 ...
5
votes
4answers
1k views

How can I water the plants on my balcony without dripping water on my downstairs neighbor?

I live in an apartment with a balcony and I'm having issues figuring out the best way to handle my drainage. I have a neighbor below me and don't want any water dripping down on her patio. Are there ...
1
vote
1answer
66 views

Will my Frangipani Plumeria (Champa Flower) survive in water without adding soil?

I have what I think are Frangipani cuttings which I got from Laos. After having the cutting for about 2 months without pouring I decided to give my planting skills a try, so I filled a glass with ...
2
votes
2answers
211 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 ...
2
votes
2answers
126 views

Want to set up a timed watering system for 'remote' garden patches without utilizing underground water hoses

I would like to set up a timer-based watering system for my mother's garden (see figure below). I plan to have the timer installed on the main water supply line, which then branches via underground ...
2
votes
2answers
150 views

How can I remove stagnant water stuck under a houseplant?

I have a houseplant in a pot with drainage that I put into another pot without drainage. I should have gotten a larger outside pot because the smaller plant pot ended up being too tight a fit at the ...
3
votes
2answers
249 views

How to prevent fungus on soil in self watering pots?

Below is a picture of one of my lemon trees, where the soil is covered with some sort of fungus. When I remove it, it comes back in 2-3 days. I am suspecting the problem is, that lemon trees can't be ...
3
votes
1answer
80 views

Is it okay to line the top of a container with plastic to hold water inside?

One of the problems with container gardening in my area is that you generally have to water the plants every single day in the summer (except on occasion) or else they have a high likelihood of dying ...