8
votes
If I harvest bell pepper, will it grow back? (I control the temperature in my small greenhouse)
Will the pepper grow back? Not exactly. However, after you harvest the pepper the plant likely will produce more flowers, which can be pollinated and grow into more peppers.
6
votes
How to safely keep plants in greenhouse at low temperatures
Adding to @Ecnerwal excellent answer -
Draped row covers will provide a little additional support by trapping in more heat - maybe 1-3 degrees c - the key would be to take them off during the day to ...
6
votes
Accepted
How to safely keep plants in greenhouse at low temperatures
Plants grown warm, indoors, will need hardening off to transition to an outdoor greenhouse that's unheated.
One aspect you may not have considered with a "simple greenhouse" is cooking the plants on ...
6
votes
Accepted
Should I cut tomatoes once they reach the top of the greenhouse?
You could do this, and it could indeed strengthen the remaining fruits - another option may be to encourage the plant to grow back downwards.
6
votes
Plastic sheet for greenhouse
With greenhouse plastic there are some issues to keep in mind. First, if you are considering a longer term installation then UV light will quickly shatter regular plastic. UV resistant plastics are ...
5
votes
What color should a greenhouse be?
Several of the answers here are incorrect. Green plastic absorbs green light or reflects it which is why it appears green. Green is chosen because if you want to reduce the light intensity to the ...
5
votes
Accepted
Effect of white/black polythene floor in polytunnel
White up reflects more light to the plants, and keeps the soil cooler (from sun) probably also keeps fuel-based heat in the soil better if the ground was what was being heated in the commercial ...
5
votes
Accepted
Should perennials purchased at a greenhouse nursery be acclimatized before planting outside?
If the plants apparently have never (or not for a while) been exposed to strong sun and wind, I would definitively recommend hardening them off or shielding them a bit:
If the plants look basically ...
5
votes
Accepted
How can I tell if my greenhouse plastic film is facing the right direction
It depends somewhat on "WHAT" the inside/outside properties are.
If they include an "anti-drip" or AD coating, that should be on the inside, and you might be able to see that water beads up less and ...
5
votes
Accepted
How do you grow a plant not in your hardiness zone?
Growing plants in different climate zones can be a challenge. For people in warm climates. The first thing you need to do is make a plan. And research the climate your plant grows in likes. At our ...
5
votes
Accepted
Big cactus identification and how long does it take?
The two plants on the left are either Carnegiea gigantea or Saguaro or Pachycereus pringlei or Mexican/Sonoran Saguaro. They look very similar at this stage.
They look to be 10-15 years old. My ...
4
votes
How to safely keep plants in greenhouse at low temperatures
As a resource you can consider Eliot Coleman's The Winter Harvest Handbook: Year Round Vegetable Production Using Deep-Organic Techniques and Unheated Greenhouses which discusses growing in unheated ...
4
votes
Accepted
How to get crisp lettuce in a green house
@Ecnerwal answer is correct, the book "The Winter Harvest" by Eliot Coleman [speaking of some vegetables including Lettuce] states "No only do many of them tolerate cold conditions and even ...
4
votes
How to get crisp lettuce in a green house
Turn off the heat, open all the vents - add more vents if that's not enough, or just grow the lettuce outside, if you like outside grown lettuce better, or want other crops/plants that are not as ...
4
votes
Accepted
Reputable source of learning greenhouse practices, specifically for microgreens?
If you're googling how to grow microgreens in a greenhouse, you will likely get a lot of sales and information of the type you're complaining about, or information aimed at large professional growers. ...
4
votes
Accepted
How to prepare plants to move to greenhouse from indoors?
Principle is basically the same; gradual acclimation to different conditions. In your case the different conditions are the greenhouse, not "outside" (or at least not yet) but otherwise the process is ...
4
votes
Growing temperate and some tropical plants in an indoor 'winter garden' in Ireland
First of all, I want to caution you regarding the amount of humidity a grow room is going to produce, especially if it's heated. Depending on what your walls are made out of, the humidity may ...
4
votes
Accepted
Growing temperate and some tropical plants in an indoor 'winter garden' in Ireland
more light = more growth, although I'd imagine if you are growing this for personal edification rather then produce yield, this will be much less of a factor. If I understand the Light value of 62 ...
4
votes
Growing temperate and some tropical plants in an indoor 'winter garden' in Ireland
Each pane of glass will reduce the number of lumens coming in which means less light for your plants, which as close to the arctic circle as you will be will starve your plants for light during the ...
4
votes
What color should a greenhouse be?
Green filters, such as the green colored plastic, allows more green light than other wavelengths to pass through. For plants, the blue and red part of the spectrum are the most important. Since plant ...
4
votes
What color should a greenhouse be?
While looking for an answer to this question myself, I came across this article which talks about actual studies that have been done regarding the colour of plastic greenhouse covers. In particular it ...
4
votes
What are colors other than clear suitable for avoiding the heat inside a greenhouse?
I'm rather wondering why you need a greenhouse in such a hot region, but regarding shading of greenhouses, you can buy green coloured shading, usually plastic or polycarbonate of some sort, see link ...
4
votes
Accepted
What type of plastic covering would be good for a heated greenhouse in the winter?
They make "overwintering film" (4mil, I think) which is supposed to work for 1 season. I have no experience with it.
I have considerable experience (by now) with 4-year, 6 mil, IR-UV-AntiDrip ...
4
votes
Accepted
Should rain water be allowed to flow directly into greenhouse?
One of the cool features of greenhouses is that you have more control. Storing water makes more sense rather than hit or miss by rain...to include over watering. Our gardens are always going to be ...
4
votes
Accepted
How to setup a green house that loses heat but not humidity
One solution I've seen to balance the temperature in a green house without requiring you to vent is using an earth-air recirculating system or geothermal heat pump.
A very simple DIY version if you ...
4
votes
Accepted
Is 90% - 95% humidity too much for mint / basil / tomatoes?
A greenhouse should have roughly 50-70% humidity depending on what you are growing. Yes your humidity is far too high. As far as throwing the thing away I would say no. It is still perfectly usable ...
3
votes
What color should a greenhouse be?
There are other questions to ask. Where are these Green covers coming from and which market were they designed for? Perhaps for example these green plastic greenhouses were made in China. Now since ...
3
votes
What chemicals react with greenhouse plastic and cause it to turn white?
I know this is an old post but I want to thank you Brian for bringing this very important and potentially costly topic to our attention.
I am going through this same experience setting up 2 low ...
3
votes
How to safely keep plants in greenhouse at low temperatures
I have gardened for years,too many to count. The most success I have had has been to keep the greenhouse area above 10 celcius at night, water your plants so they do not take up all the moisture when ...
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
greenhouse × 106vegetables × 13
tomatoes × 11
sunlight × 7
seedlings × 6
temperature × 6
cold-frame × 5
diagnosis × 4
containers × 4
growth × 4
container-gardening × 4
overwintering × 4
cucumbers × 4
cold-weather × 4
winter-gardening × 4
plant-care × 3
indoors × 3
watering × 3
planting × 3
raised-beds × 3
light × 3
humidity × 3
identification × 2
plant-health × 2
diseases × 2