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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10
votes
1answer
5k 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
1answer
792 views

How do I set up a roof top garden in a tropical climate?

I live in India. I have quite some space in the terrace. The roofing is of concrete slab with some weather-proofing done and red oxide tiles laid above. The climate is tropical ( Chennai ). I would ...
34
votes
6answers
3k 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?
10
votes
1answer
201 views

What are the differences between above and below ground irrigation?

Is there a major difference in effectiveness of delivery of water/nutrients through the use of above ground (sprinkler, flooding, etc) versus below ground (buried drip pipes) irrigation systems?
13
votes
2answers
314 views

Why would healthy potatoes come out tasting dry and crumbly?

I plant maincrop potatoes every year. Last year, I planted 50 Desiree in mid-April, in the usual way (15" apart, in rows 2' apart, in light, sandy soil that had been conditioned and fertilised several ...
10
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" ...
11
votes
2answers
3k 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. ...
10
votes
2answers
377 views

How should I treat a frangipani?

I've just potted a frangipani cutting given to me by a friend and since it's not in it's natural climate, I'm wondering what conditions it will thrive in? If it matters, I live in a temperate zone. ...
17
votes
4answers
2k 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. ...
20
votes
3answers
7k 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 ...
7
votes
1answer
242 views

Will african violet fertilizer diffuse through clay pots?

I have several african violets in special clay pots. The pots kind of resemble a double boiler, and the lower pot is filled with water, then the upper section, containing the plant, is unglazed on its ...
34
votes
2answers
620 views

What factors affect the spiciness of jalapeños?

Researching growing jalapeƱos, I've seen people mention how water-starving your jalapeƱo plants can lead to spicier peppers. How true is this? If there's any truth to it, what tips can you provide ...
15
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 ...
33
votes
3answers
2k 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 ...
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 ...