inhuman skeletal frame gardening is a swell way of life to stretch forth the growing season , without indue a ton of money . In this postal service , I ’ll tell you all about cold frames , what they are , how , when , and why to use them , and give you tips for the best succeeder .

One of the hardest parts about being a nurseryman in a cold climate like Minnesota is our light growing season .

Fortunately , cold frame gardening allows me to keep my plant going much longer than I can course . I ’m able start planting earlier in the spring , and keep everything going through the fall – and even into wintertime !

Beginner’s Guide To Cold Frame Gardening How & When To Use

A cold frame made from old windows

Cold frames are a great way for novice to try their hand at extend the gardening season , without having to bribe a big expensive structure .

If you ’re ready to try your handwriting at cold season horticulture , then this is the perfect fashion to get started . In this elaborated guide I will show you all you take to know to be successful .

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Beginner’s Guide To Cold Frame Gardening How & When To Use

What Is Cold Frame Gardening?

Cold frame horticulture use raise boxes with cleared cover song to protect plants from the cold , snow , and other extreme weather .

Using these simple structures can extend your growing time of year by week , or even month . Some people can even garden twelvemonth round !

What Is A Cold Frame?

A insensate frame ( also called a cold box ) is a structure that is used to protect plants from freezing . Essentially , it ’s a corner with a readable lid and an open bottom

The foundation can either model on top of the footing , or it could be dip into the soil a few in for special insulant .

What Is A Cold Frame Made Out Of?

Anyone can build a cold frame with small or no cost . They are easy to make using recycled materials .

The boxwood can be constructed using several types of reprocess items such as Sir Henry Joseph Wood , cinder blocks , brick , or straw bales .

The top could be fashioned out of an old shower bath or patio doorway , windows , absolved plastic , or any other long-lasting , transparent material .

Beginner’s Guide To Cold Frame Gardening How & When To Use

For example , I made mine for free out of two old windows I get from a neighbor , and scraps of timber I had in the service department .

Of course , you may alwaysbuy oneif you ’re not up for the challenge of constructing it yourself , they are n’t super expensive .

How Does A Cold Frame Work?

moth-eaten frames are fundamentally mini greenhouse . They conquer solar energy , and shelter plants from the abrasive cold , winding , snow , ice , and rain .

During the daytime , the sun heats the ground underneath . That warmth is immobilize inside at night , keeping the plants ardent , and protecting them from freezing .

Why Use A Cold Frame

moth-eaten frame gardening is a great elbow room to extend your growing time of year , and it ’s not difficult to get the hang of .

But like anything , there are some limitations . Here are a few of the advantages and disadvantages of using them .

Advantages

Disadvantages

Different Types Of Cold Frames

you’re able to make your own out just about any material : wood , polyethylene , plasticetc . The material you pick out depends on what you plan to use it for .

Lightweight materials , like charge card , glass , or poly top , are bully for extending the time of year in the springtime and fall .

But they wo n’t have enough insulation to protect the plants during the harsh stale winter month .

Beginner’s Guide To Cold Frame Gardening

Thicker materials like straw bales , bricks , or wood are good if you desire to try your helping hand at frigid frame gardening through the freezing wintertime months .

Tips For Using A Cold Frame

While they require careful monitoring , I have been able to lengthen the growing season for my plant by a few months .

It may take a season or two to get the bent of , but you will forecast out what work best for you and your climate .

Below are some of the tips I have picked up ( or learned the knockout way , ehem ) over the years for successful cold frame horticulture .

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When Should I Use A Cold Frame?

Most commonly , cold frames are used to garden longer than you unremarkably could . utilise them in late winter / former spring to get a promontory start .

Then again through the fall as a late season extender . You could even utilize it through the entire winter , especially in milder climates .

Where To Put A Cold Frame

The best location to place a cold-blooded framing is a pip that is look either due south or west , where it will get spate of sunshine .

Ideally , you should choose a place where it is sheltered from hard fart and heavy rain , for safe results .

put it up against an existing structure , such as a planetary house , service department , or fence , will offer more protection , and help to keep it tender at night .

A cold frame made from old windows

Venting it

In my experience , the biggest challenge of inhuman framing gardening is proper ventilation . It ’s amazing how hot it set about in there on a cheery day , even when it ’s frosty alfresco .

You must be diligent about venting the top to let go of the inordinateness , and keep the interior from overheating . So put anindoor / outdoor thermometerinside to supervise the temperature .

Once it go heating up , you could vent it manually by prop launch the lid on sunny days , and closing it in the evening .

Top removed from cold frame in spring

Better yet , corrupt anautomatic vent comptroller ! This handy little gadget will automatically open and fold the lid at specific temperatures , making it a no brainer for you .

How To Keep A Cold Frame Warm At Night

On extremely bitter nights , you could encompass your stale frame with a mantle to help keep the heat in , and give it more trade protection .

Snow is also a wonderful insulator , so you could heap that on top too . Just be sure to slay it from the lid in the morn so it can warm up again in the Lord’s Day .

What To Grow In A Cold Frame

In the saltation , a cold frame work swell for planting seeds , hardening flats of seedlings , or planting scratch in the ground early .

you’re able to also gallop your gardening time in the fall by planting second crops of cold weather veg in late summer . Then enjoy the harvest home week longer than you could before .

FAQs

Does a cold frame need to be airtight?

No , a cold frame does not have to be airtight . In fact , it is better if it is n’t airtight to reserve atomic number 8 and C dioxide to move around .

What is the difference between a cold frame and a greenhouse?

The independent conflict between a cold build and a nursery is their size of it , monetary value , and maintenance .

Greenhousestend to be much big , costly , and more permanent structures . Where cold frames are small , less expensive , and ordinarily installed seasonally .

Cold build gardening is a great path to try out your hand at extending the growing season , without expend a ton of money . Once you get the knack of it , it ’s easy , and very rewarding !

My cold frame in the garden

More About Cold Climate Gardening

Plastic cold frame being used to protect seedlings

Beautiful cold frame built against a house

Venting the cold frame on a sunny day

Using my cold frame to protect plants