There are many benefits to polyfilm greenhouses. One thing is that some municipalities will consider this a temporary structure and will not require permits, wind and snow load ratings, etc. They are also less expensive than a rigid polycarbonate covered greenhouse. One disadvantage to this is that most of the greenhouse polyfilm found today has a 4 year UV protection, so you will have to figure on replacing the covering every so often. Double polyfilm greenhouses consist of 2 layers of polyfilm with an air inflation system for greenhouse film blowing air between the 2 layers. This will give you a much better R rating than just a single layer of film. Manufacturers claim that it can save you up to 40% of your energy costs. That is quite a considerable savings. I find that the inflated film is more rigid and less susceptible to damage than a single layer of film. This all happens without lowering the light transmission properties of the polyfilm. This is an excellent choice that has been used by many commercial growers through the years and is totally acceptable for a backyard greenhouse operation. Be sure to use greenhouse polyfilm that is UV protected and has an anti condensate coating on it. If the film is not UV protected you should not expect to get any more than one years use out of it, sometimes even less. The anti condensate coating keeps droplets from forming on the film. This will contribute to the overall health of your plants. Any condensation that does form on the roof will come off in sheets rather than in droplets. If you have water dripping on your plants you will have damage to your leaves, fruits, flowers and overall less healthy plants. So, when considering your first or next greenhouse, take a look at a double polyfilm greenhouse and see what benefits it will give you.
Even though this picture was taken several years ago, it won’t be long before many of us will be seeing this as we look out our windows and long for summer. I know it is a few months yet, but now is the perfect time to prepare your greenhouse for winter. It is still warm enough that you can move any plants remaining inside the greenhouse to the outdoors. This will allow you to give your greenhouse a thorough cleaning. Be sure to use a mild disinfectant soap to clean with. Get the mold out of every nook and cranny. I know that we all keep our greenhouses relatively clean, but this is just something that happens with all of the humidity. Check any corners or places where there may be potential leaks and be sure to seal them up. Clean your benches if you have any. Repair or rework your flooring, depending on what you have in place there. Check all lighting and electrical systems. If need be, get a certified electrician in to help you with this. You can never be too safe. Same with your greenhouse heater. Whether you have electric, natural gas or propane, be sure to check your greenhouse heat source and be sure that it is properly connected with no leaks. Also, turn it on and make sure that it works. You may have to go out later in the evening as the temperatures drop to try this, but trust me, it is worth the time and effort to do this. In fact, I think that checking your heating system is the most important part of getting your greenhouse ready for winter. I cannot tell you how many times I have received panicked calls that it is going to freeze tonight and my heater won’t come on. There is just no way to get parts or a new heater to you fast enough. So, even though we are still enjoying summer time temperatures, think about the winter and your greenhouse now.
With the long holiday weekend upon us, there is not a better time to visit a local display greenhouse. I have several favorites. I love to go to Bellingrath Gardens in Alabama. They have a beautiful conservatory. City gardens in New Orleans also has an excellent conservatory. Even the small town of Monroe, LA has the Biedenharn with a beautiful conservatory. If you have a little more time and can take a trip the Biltmore in NC will also take your breath away. Also, Calloway Gardens in GA has a conservatory with butterflies and plants. These are all probably within an 8 hour drive of our location. You will probably not have to go far to find several in your area as well. Take a young gardener along and inspire them. You will find many styles and sizes of conservatories and greenhouses to explore. This article is about a couple of photographers who have started on a quest to explore greenhouses in far away places. I am totally envious of them.
Magnus Edmondson and India Hobson’s greenhouse quest began in Oxford, England, at the Botanic Garden, on a Sunday morning. “We were the only people there, and it was so incredibly quiet,” they write. The only sounds were “gasps of wonderment” and the “occasional sigh.” From there, Edmondson and Hobson, photographers based in Sheffield, were hooked. They began what they call “a self-initiated Greenhouse Tour of the World”—they find, explore, and photograph greenhouses, potting sheds, polytunnels, conservatories, and other indoor spaces made by humans, for plants.
This one is for all of you d-i-yers out there. This article is from our friends at Garden and Greenhouse Magazine. It discusses the different types of hydroponic systems and how to set up your own hydroponics in your hobby greenhouse. I have owned a greenhouse full of hydroponic systems, experimenting with the different types to see which I liked the best. I think I preferred the NFT system. We used it to grow basil. It was as simple as could be.
Experimenting with hydroponic gardening is a fun and productive way for greenhouse hobbyists to expand their horticultural knowledge. The term “hydroponics” is a general name that encompasses all methods of soilless gardening. In other words, there is a multitude of ways to garden hydroponically. However, don’t let the seemingly infinite amount of hydroponic systems deter you from giving hydroponics a try. One of the best ways for greenhouse hobbyists to break into hydroponic gardening is by making a homemade hydroponic system.
The low tunnels or garden row covers are perfect to extend your season at the beginning and the end of the cycle. They come with a slitted cover as shown above, or with a perforated cover. They extend your harvest season by offering frost protection of 2 to 4 degrees F. To harvest, you simply need to pull the cover up and gather your crop. Then, just stretch the cover taught again and refasten the side. In the spring they will assist you in planting early, even up to 10 days before suggested planting dates. They will help to warm the soil and protect young seedlings from harsh spring winds. The perforated covers will offer the most warmth, with the slitted covers offering the best ventilation. These covers are only meant to be left on your garden for 3 – 4 weeks. But, I have personally used these in a different manner. In the South, we plant our strawberries in the fall. We usually have to apply and remove frost protection for brief periods of time. Last year I put the low tunnel cover over my strawberries for the entire winter. I used the slitted. The biggest problem was in the spring. No bees or wind could get in to pollinate the plants. I ended up using a small paint brush and pollinating them myself. The strawberries were yummy. Actually, the covers turned out to be much sturdier than I originally thought. We have some serious winds in the winter. So, get a head start, harvest longer, or experiment with your own system with these covers.
You have dreamed for years about owning a greenhouse. Now the time has come. What size do you get? Most people have problems making this decision. I think the best way to start is to think about how you are going to use the greenhouse. If you have plants that you are going to overwinter, I suggest laying them out in your yard in a configuration similar to what you will do in your greenhouse. Then you just measure outside the plants and voila, you have the answer to this question. If you are growing in raised beds, decide what size beds you will have and draw them out on a piece of paper allowing for adequate walkways. The same would apply if you are using systems such as hydroponic systems. Find out their size and draw them in a configuration you like on a piece of paper. When considering raised beds and/or greenhouse staging, you need to be sure that they are not so wide that you are unable to maintain the outside plants properly. I suggest not using any wider than a 3′ bench for benching that will be against a wall. If you are using a bench in the center aisle, it is OK to use a 4′ wide bench. Keep in mind that most of us will be comfortable with a 3′ wide walkway, so be sure to draw them in as well. I do not recommend even trying to put a center bench in a 12′ greenhouse. Lots of people try and I don’t think they are too happy with the outcome. If I would do this, I would only use 2′ wide benches to ensure adequate walkways. I would get at least a 16′ width for a center bench. The best thing to remember is that we are all collectors. You know, that perfect color plant, an unusual vegetable, etc. Don’t buy a greenhouse you will be crammed into with your current plants. Always allow a little room for expansion. If you need any help with this decision, feel free to contact us at Advance Greenhouses.
We are happy to announce the newest product addition to our greenhouse glazing line. This covering is a vinyl material that has a crystal clear, glass like clarity. It is great for commercial operations that would benefit from the customers being able to see clearly inside the greenhouse. Every fall it seems that I get a couple of calls from people wanting to “seal up” their screened in back porches for the winter. But, they do not want the semi transparency of our 6 mil, 4 year polyfilm. This is a perfect covering for this purpose. It is a tough, durable 16 mil covering. Of course all of the greenhouse glazing materials we offer have UV protection. The life expectancy of this material is 4 years. It comes in 54″ widths and 3 different lengths of rolls.
The same thing happens every year about this time. We are all still enjoying the warm weather of summer, getting the kids ready for school, and we forget about our beloved plants. I can’t tell you how many times in the past that Tom and I were installing greenhouses in the cold of the winter because they didn’t get ordered in time. Typically a greenhouse that is manufactured for you will take from 4 – 6 weeks for delivery. In the fall these lead times become extended, causing delays from the expected delivery times. This not only applies to greenhouses, it applies to polycarbonate sheets as well. They are typically delivered in 1 – 2 weeks, but in the fall they will take a week or sometimes longer past these times. So, even though it is really hard to think about it right now, if you are considering purchasing or building a greenhouse this fall, now is the time to start your decision process and get an order placed. Trust me, this I know from years of experience.
Yep, That is Tom and my greenhouse. We really do practice what we preach. We think everyone in America should own a greenhouse! This was a rare snow storm in SE Louisiana. I don’t think the neighbors could even believe that we were outside in this mess. Today I just wanted to take a minute to reflect on the beginning and growth of Advance Greenhouses. Fifteen years ago Tom and I were studying how to get on the internet. We knew the product we were interested in, as we had been selling and installing greenhouses for a while. Our first adventure with polycarbonate was in 1993. We got a book about 4 inches thick on how to set up a website and dove into it. What in the world language were those people using? Something I had never heard of before. I am sure we fought and cussed our way through it and came up with what was an absolutely horrible website. But, people started to find us. We also did a lot of local garden shows to put the word out. Fifteen years later, here we are. Through the years we have had the pleasure of speaking and working with many like minded people. We love flowers, but we also love fresh food that we have grown for ourselves. Our greenhouse has been multi faceted. We have stored my cherished hibiscus plants, started seeds for the garden, started annuals and perennials for the flower gardens and even grown some food hydroponically in our greenhouse. As I tell people, it is a learning curve to figure out exactly what will work in your greenhouse. There are some hard, fast rules, but we are all growing different plants under different circumstances. We all have to do a little bit of experimenting to figure out what works exactly for us. In closing, we are running some sales this month as a customer appreciation (also an appreciation for what we have thanks to all of you). Visit our website to see the specials. Our business is very personal and very rewarding for both of us. Thank You! Tammy and Tom
Today’s edition of Polycarbonate Glazing Tips addresses Lexan Softlite and Polygal Polymatte. Both of these sheets have 100% light diffusion. This is an excellent choice for commercial growers or homeowners looking for healthier plants, increased yields and faster growing times. The sheets will spread the light out so it is evenly distributed to all parts of the plant, even under the canopy. Selections are available in corrugated, 8mm and 16mm sheets.