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Kit Greenhouse Resource list
This page includes companies selling greenhouse kits. Some of these companies are manufacturers and many others are simply resellers. You will likely find some duplication in what is offered. Many also sell supplies helpful to operating a home greenhouse.
Sites listed with larger fonts have reciprocal listings with this site.

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A Gardener’s Resource, P.O. Box 85072, Tucson, AZ 85754 1-520-792-8023, greenhouseupplies.com, Greenhouse supplies, greenhouses and more.

Aarons Creek Farms, 380 Greenhouse Drive, Buffalo Jct., VA 24529, 1-800-487-8502, www.acfplugs.com. Sells hobby greenhouses including the Gronhäus greenhouse cold frame/greenhouse product and strawberry plants for greenhouse production.

ACF Greenhouses, 380 Greenhouse Drive, Buffalo Junction, VA 24529, 1-800-487-8502, www.littlegreenhouse.com. These folks sell a nice variety of different greenhouse kits along with a full line of accessories and supplies.

I bought a portable hex green house from AFG green house 275 plus shipping came to a little over 300$ Hex Portable Greenhouse . This is a really good value... It does take two people to put up  ( the stretching of cover and securing it only) and took about 2 1/2 hours but next time I think it should take less than an hour. It did come without one tie down that we noticed after we put up ...the MFR sent a new fabric top out that same day at NO charge and got two days later so all was well. The flexible metal piece that fits in a sewed loop on the door to give it stability is very hard to insert and do so completely !!! but other than that it was a breeze 
You need a fairly level ground and I would recommend putting mulch or insulation around the bottom inside and or out... that is a weak point cold air can and does get in under the bottom of GH .... the only other weak point is the straps that loop under the bottom of frame and keep the fabric in place ARE TOO SHORT ...you really need a vise grips to gab the strap and attach it to the buckle...... The covering is suppose to have an anti condensation coating but it WILL drip when it gets hot enough but who really cares!!!
 
This is otherwise a terrific buy ... we had hail, 40mph winds ,snow 2" of heavy rainand a tornado within 3 miles during the first two weeks I had it ...a real torcher test and the GH withstood everything ...I did have to reattach the straps cause they are TOO short ( as stated) but the GH withstood everything without a hitch .
 
You do need a small heater if your like me in a northern area... it got down to 15 degrees but with a small milk heater it stayed cozy ...and the screened and zippered vents and door worked well during the day keeping it from getting too hot... I did have some trouble with the zipper during the 15 degree snow period it was sticky ...very sticky ...but that is not unusual wit a zipper.
 
Overall anyone that understands the limitations of a portable GH will be amazed how nice this GH is and what a bargain it is...HIGHLY RECOMMENDED
D. Myers Springfield Illinois

Advance Greenhouse.Com., 701 N. Duncan Ave. Amite, La. 70422, 1-877-228-0444, www.advancegreenhouses.com. Carries a wide variety of kit choices. Primarily an internet company.

American Greenhouse Kit Company, 4903 Denton, Boise, ID  83706, www.greenhousekit.com, Carry a wide selection of kits from cold frame to back yard to commercial sized. They also carry supplies and books. Nice web site, good selection.

BackYard Greenhouses, Located in both Windsor, Canada and Detroit Michigan, 1-800-665-6263, www.backyardgreenhouses.com. This company sells a number of residential greenhouses, lean-to's and pool enclosures. It appears that their greenhouses that are constructed with aluminum and tempered glass. They have free delivery to the Continental U.S. and Canada. Greenhouses are said to have a "Lifetime Guarantee." They also have a small list of supplies, accessories unique garden products and rare and exotic seeds. 

B.C. Greenhouse Builders Ltd. A5-19327-94th Ave, Surrey, BC, Canada V4N4E6 604-882-8408, 1-888-391-4433, www.bcgreenhouses.com. These guys have been around since 1951! They sell quality glass and polycarbonate greenhouse kits- most are aluminum frame types. They also have a fancy conservatory line. 

Cedarbuilt Greenhouses and Solariums, 2625 Daybreak Lane, Abbotsford, BC  Canada, V3G 2W9, 1-604-852-9322 1-604 850-8511, http://cedarbuilt.homestead.com. As the name implies, they sell greenhouses constructed of cedar. Nice looking too!

Charley’s Greenhouse Supplies, 17979 State Route 536, Mount Vernon, WA 98273, 1-800-322-4707, www.charleysgreenhouse.com One of the most complete sources of greenhouse supplies and accessories. Large selection of quality greenhouses and other products specifically for the home greenhouse. Great informative and colorful catalog. Great folks!
"I like their solargrow, but it needed a lot of caulking to keep it from having air leaks" J.D. - Salt Lake City

CropKing, Inc., 5050 Greenwich Road, Seville, OH 44273 1-330-769-2002, www.cropking.com. Carries indoor hydroponic kits, greenhouses, lights, growing mediums, books and more for large and small growers. Hydroponic oriented.

CSI Hobby Greenhouses, 15850 West Colfax Avenue, Golden, CO  80401, 303-273-9085, http://www.myhobbygreenhouse.com  Sells a number of steel framed (galvanized after fabrication), polycarbonate greenhouses. Reasonably priced!
"The greenhouse seems real sturdy" J.S. -Denver

Curry's Greenhouses, Curry Greenhouses P.O. Box 9323 Columbus, Ga. 31908, 1-800-861-1130 www.currygreenhouses.com. Sells a hobby and commercial quonset and lean-to greenhouse kits. All are built from galvanized steel and can be covered with poly, fiberglass or polycarbonate. Will do custom work.

DIY Plastics, http://www.diyplastics.com & http://www.houseproudconservatories.com Located in the United Kingdom, they carry a wide range of plastic glazings and greenhouse kits.

Ecologic Technologies, www.cloudtops.com P.O. Box 1038, Pasadena, MD 21123-1038 410-431-7106. Offers selections of hobby and commercial grade greenhouse kits. Installation available nationwide. Also sells misting and fog systems along with other supplies for growers.

EnviroCept Greenhouses, Etc. 8 W. Sunrise PR NW Benton City, WA 99320, 888-326-8634 www.envirocept.com. Carries a wide variety of kit greenhouses as well as a broad selection of supplies.

Everlast Greenhouses, 3286 Beaver Lake Rd., Winfield, British Columbia, Canada, 1-2501766-1588, http://www.everlastgreenhouses.com, specialize in curved glass parts. Also have a variety of kit greenhouses. Worldwide shipping, various glazing choices.

Farm Wholesale Greenhouses, 3740 Brooklake Rd. NE, Salem, OR  97303, 1-800-825-1925, www.farmwholesale.com. Sells reasonably priced greenhouses and cold frames using a unique PVC-based glazing (call for free sample). The framing is also unique using a combination of PVC pipe and anodized steel. They also sell accessories and parts.

Four Seasons Sunrooms, 5005 Veteran Memorial Highway, Holbrook, NY 11741, 1-800-368-7732, www.four-seasons-sunrooms.com. Sells greenhouse kits. Has many local dealerships

Garden Under Glass, 40 Huron Rd., Bellerose, NY  11001, 1-516-775-0866, www.gardenunderglass.com. Sells greenhouse kits and supplies.

Gardener’s Supply Company, 128 Intervale Rd., Burlington, VT 05401-2850, 1-800-863-1700, www.gardeners.com. Carries greenhouses, tools, growing supplies, and more. Update: "We are no longer selling the Northern Light Greenhouses, but we are the manufacturer and we do still have parts available for our existing customers.Call in the Greenhouse dept at 1-800-688-5510 and we'll be happy to assist you."
"I like my Northern Lights Greenhouse and seems to be one of the more energy efficient on the market" S.J. Colorado.

"I
am an owner of a Northern Light Greenhouse.  One year old.  I just love my greenhouse.  This was one of the worst winters in the North East in many years.  My plants flourished.  It was always warm and cozy.  We had to purchase one more tank of bottled gas (50 pounds) more than other winters.  I do not have running water but a 40 gallon barrel of water made watering convenient.  I filled it up when needed.  I started all my flowers and vegetable plants this spring.  It gets five stars from me" B.W. Orange County NY.

"My cat poked holes in my Northern Light Greenhouse which I fixed with tape, but I was still disappointed. B.J. in Vermont

"A massive hail storm (2" diameter stones) dented my NL greenhouse plastic- but I was able to suck the dents out with a heat gun. Now it is like new. T.T. Wyoming

Glass Structures Limited, PO Box 3222, 296 Irving Street, Framingham MA. 01705-3222,1-508-877-6457, http://glassstructures.com. Sells greenhouse kits and Lord & Burnham greenhouse parts, supplies and more. Be sure to read the reviews for "National Greenhouse Company" below as they sell many of their products.

Gothic Arch Greenhouses, P. O. Box 1564 (ZN), Mobile, Alabama 36633-1564, 1-334-432-7529, www.gothicarchgreenhouses.com. Sells greenhouse kits and supplies.

The Greenhouse Connection, 800-474-1464, www.greenhouseconnection.com. Distributor of traditional English hobby greenhouses, and Halls Garden Products Ltd. of England. They have created a network of local independent garden centers, nurseries, mail-order garden and seed catalogs, and greenhouse supply companies located throughout the Pacific Northwest and Intermountain states that sell their product. Informative web site.

"Last year I purchased a Hall's greenhouse kit.  It is 12x8x8, & has twinwall polycarbonate glazing.  The kit was very easy to assemble, and has performed as advertised.  I live in northeast Ohio.  Therefore I insulated with 1/4" bubble wrap, and I heat with a small propane heater, and a supplemental electric heater when the temperature is is the 0 to 10 degree range.  Frankly I have had more trouble with the propane heater than anything else.  So far so good." 

Growing Spaces, P.O. Box 5518, Pagosa Springs, CO 81147, 1-800-753-9333. www.growingspaces.com. These folks specialize in quality, solar heated dome greenhouses. They have varying sizes and prices from which to choose.

Harbor Freight Tools, www.harborfrieght.com, Offers lower cost greenhouses.

"I erected a harbor freight last year I think the instructions were written by a 2 year old parts did not fit properly and were not marked. It will not hold heat at night even at 40 degree outside temp. the heater runs all the time.I guess for the money it is a good cold frame. Buyer Beware stay away from merchandise that is made in China no matter what American name is on the box." Tom, upstate NY

Hobby Gardens, P.O. Box 193, New London, New Hampshire  03257, 1-603-927-4283, www.hobbygardens.com. Sells greenhouse kits and supplies.

Home Harvest Garden Supply, Inc., 995 Potosi Road, Glen Rock, PA  17327, 1-800-348-4769, 717-235-6653 http://HomeHarvest.com. Sells a wide variety of hobby greenhouse kits and cold frames including the Sunshine greenhouse. They also carry a good selection of supplies.

 

Hoop House Sructures, 1358 Route 28, South Yarmouth, MA 02664, 1-800-760-5192, www.hoophouse.com. Sells greenhouse kits and more.

 

Imperial Systems Inc. Solar Optic Greenhouse,8312 Purvis
Summerland, British Columbia, V0H 1Z0,  Canada, 1-250-494-3226
http://www.solaropticgreenhouse.com. manufactures a fiberglass greenhouse that is modular, and it's length can be easily extended.  The greenhouse is guaranteed against breakdown for 20 years.
 

International Greenhouse Company, 13 Market Street, Sidell, IL  61876 USA  1-888-281-9337, http://www.igcusa.com. Carries a wide selection of greenhouses starting with low-cost hobby kits, to medium priced kits and a good selection of commercial sized greenhouses. Also has a wide selection of greenhouse supplies.

Jacobs Greenhouse Mfg. Ltd., 371 Talbot Road, Delhi, Ontario, Canada N4B 2A1 www.jacobsgreenhouse.com. Sells greenhouse kits and more.

Janco Greenhouses, 93990 Davis Avenue, Laurel, MD  200723, 1-800-323-6933, www.jancoinc.com. Sells greenhouse kits, supplies, and more.

Juliana Greenhouses, 960 Lone Oak Rd. Suite 114A, Eagan, MN, 1-800-576-5618. www.julianaamerica.com. American distributor for Juliana greenhouses, one of the leading European manufactures of hobby greenhouses. These are sturdy, well built products

National Greenhouse Co., 10983 Leroy Drive, Northglenn, CO 80233, 1-800-303-1543, www.nationalgreenhouse.com . They offer polycarbonate and glass structures that include curved roof and attached options. They also offer some accessories. National Greenhouse Co. is owned by the large commercial manufacturer, Nexus Greenhouse Company, www.nexuscorp.com

"I own a 20 x 23 tempered glass Grand Hideaway from National Greenhouse Company.  I purchased through Glass Structures Limited.  The service through Glass Structures was good.  I asked for spec sheets ahead of time so that I could build the knee wall, and they were promptly sent.  After the GH was built I retrofitted some systems that required a few extra aluminum pieces and they were also promptly sent. The greenhouse went together without a hitch.  The directions were good, and they included a helpful glossary.  There were only perhaps a half dozen holes in the entire structure that were not drilled, but even those were marked and so drilling those holes was no big deal.  The greenhouse is beautiful. 

My only complaint about this greenhouse (and I don’t know that this not a problem with many greenhouse kits) is that the sill plate has a one inch lip which causes the sill to act as a gutter and collect condensation in the winter." Tom, Missouri

www.mynewgreenhouse.com  Also carries greenhouses manufactured by the National Greenhouse Co. (Nexus).

North Country Creative Structures, Route 197, RD# 1 Box 1060B, Argyle, New York 12809, 1-800-833-2300, www.sunroomliving.com. Sells Greenhouse kits, supplies and more.

Northern Greenhouse Sales, Box 42, Neche, ND 58265, 1-204-327-5540. These folks specialize in woven polyethylene glazing. They also carry greenhouse building supplies and more.

Siebring, http://www.commercial-greenhouse-equipment.com Siebring manufactures greenhouse and agricultural equipment including heaters and furnaces, portable sprayers, high pressure washers, greenhouse, carts, soil sterilization systems, and custom manufactured equipment. Equipment seems more geared to larger commercial operations.

Solar Components Corp., 121 Valley St., Manchester, NH 03103, 1-603-668-8186, www.solar-components.com. Specialize in glazing, greenhouse kits, and environmental control systems for greenhouses and sunrooms. Also one of the few companies (if not the only) to carry fiberglass water containers (tubes) for thermal mass and aquaculture.

Not only do we stand behind our product, we stand on them!Solexx greenhouse & Panels, 3740 Brooklake Rd. NE, Salem, OR  97303, 1-877-476-5399, www.solexx.com. Sells very reasonably priced greenhouses and cold frames using a unique and proprietary PVC-based glazing (call for free sample). This glazing is very unique among kits and is comparable to polycarbonate. The framing is also unique using a combination of PVC pipe and anodized steel. They also sell accessories and parts. Shane Smith says that they are good people to do business with.

Sturdi-built Greenhouses, 11304 SW Boones Ferry Rd., Portland OR 97219, 1-800-334-4115, www.sturdi-built.com. Sells greenhouse kits and supplies.

Sundance Supplywww.sundancesupply.com. Sells polycarbonate, trim components, glazing systems and shade cloth, for Build-It-Yourself greenhouses, sunrooms and solariums. Extensive how-to information on their web site. This is an Internet catalog only and often has great prices along with one of the best interactive sites for calculating your needs. Easy ordering!!!
"Great  prices on polycarbonate!"  F.G. Kansas

Sunglo East Greenhouses,12763 Bradwell Road, Herndon, Virginia 20171, 1-800-941-5166, www.sungloeast.com. Sells greenhouse kits, supplies and more.

Sunglo, 214 21st SE Auburn, WA 98002, 1-800-647-0606, www.sunglogreenhouses.com. Hobby greenhouse manufacturer.

SunPorch Structures, 495 Post Rd., East, Westport CT 06880, 1-203-454-0040. www.sunporch.comThese guys sell a neat kit that converts from a screened-in porch to a sun room/greenhouse. 

Sunshine Greenhouse, PO Box 2068, Longview, WA 98632-8190, 888-272-9333, www.sunshinegreenhouse.com . Sells both redwood (see to the right) and aluminum framed greenhouse kits, "largest domestic manufacturer of quality greenhouse kits," growing supplies and more.
Have been in the business a long time- good people!

Texas Greenhouse Company, 2524 White Settlement Road, Fort Worth, TX 76107 1-800-227-5447, www.texasgreenhouse.com. Sells greenhouse kits, accessories and more.

Turner Greenhouses, P.O. Box 1260, Highway 117 South, Goldsboro, NC 27533-1260, 1-800-672-4770, www.turnergreenhouses.com. Sells greenhouse kits, growing supplies and more.

Ventura Sunrooms, 8274 Quincy St., Ventura, CA 93004, 1-800-747-3324, www.sunroom.com. Sells greenhouse kits and supplies.intcouches copy.jpg (12447 bytes)

Vermont Sun Structures, Walker Hill Rd. Williston, VT 05495, 802-879-6645. http://pss.uvm.edu/pd/vtsun/index.htm I know the owner, Dennis Bates, and would trust him with my life! So you can't go wrong with this company, especially if you live in the northeast U.S. They utilize post and beam construction, an aluminum glazing system, and state-of-the art glass to build sunrooms with a special emphasis on energy efficiency and comfort. Look at the built-in details for longevity in northeastern climates.

The Portable Greenhouse:

Up until recently greenhouse kits were more permanent and structurally solid. More recently manufacturers are developing low-cost, plastic film covered, portable greenhouses that are used more as season extenders rather than heated greenhouses. Here is one product that I really like:

I am excited about a new product called the Grönhaus greenhouse which is a low-cost, high quality portable greenhouse/cold frame that uses tent technology. The Grönhaus is perfect for extending the growing season and for newcomers who are wondering if greenhouse gardening is for them without make a large cash outlay (the Grönhaus sells for around 200 to 350 dollars depending upon the type of unit- there are around 5 types from small cold frames to walk in structures). The Grönhaus is among the highest quality product of all the portable greenhouses that I have seen.

The Gronhäus sets up and/or comes down in less than 30 minutes. It stores in a duffel bag for winter. I have quickly set my Gronhäus up over a tomato bed when a hail cloud was about to hit- I got full protection. It adds extra weeks of extra frost protection over any garden bed. Get those last tomatoes to fully ripen or start spring seedlings earlier. Some catalogs sell the Gronhäus under the name of "Jiffy-up." For more info go to my page that is titled "some of my favorite products."

Another interesting portable greenhouse product of note is called the "Germinator" and can be seen at www.Germinators.com. For more information call 1-866-343-7646. They have a very unique accordion-like set-up system.

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