How To Construct A Tin-Raised Garden Bed?

This DIY guide teaches how to build beautiful wood and metal raised garden beds using techniques to save money and build healthy soil. The HOSELINK Reel is used to create the raised bed with corrugated steel sides, which drains neatly past the wood without needing landscape fabric. Galvanized steel raised garden beds are the best choice and can be turned into easy cold frames. To build a raised garden bed, chop two corrugated metal pieces in half, create four 4 ft pieces, and cut each piece down to 15 in wide. To build a raised garden box, cut supplies, make the bottom frame, add flashing to the sides, and add corrugated metal. To build multiple smaller boxes, buy sheets of galvanized metal and turn them into 4’x4′ beds.


📹 DIY Wood/Metal Raised Garden Beds

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Do I need a liner for metal raised garden bed?

Raised garden bed lining offers several benefits, including insulation, temperature control, soil retention, weed separation, and pest control. It also helps drive away pests like gophers and moles. The Grounds Guys, a landscape and garden experts, specialize in landscape and lawn care services for commercial and residential properties. They take pride in doing the job right the first time and guarantee your satisfaction with the Neighborly Done Right Promise™.

The Grounds Guys offers free estimates, upfront pricing, experienced and licensed experts in uniform and clean vehicles, guaranteed timely responses to questions and inquiries, top-quality materials, the latest equipment, and outstanding service. They also clean up after every job to leave no mess behind. By hiring The Grounds Guys, you can enjoy your garden and spend your weekends enjoying it, rather than working on it.

What do you put on the bottom of a metal raised garden bed?

Cardboard can be used at the bottom of raised beds to prevent weeds, but it should not be used with glossy print and tape removed first. Wood chips should not be placed at the bottom of raised garden beds as they can draw nitrogen from the soil, make the soil unsuitable for vegetable plants, break down quickly, and cause uneven soil levels and increased temperature. It is best to avoid mixing wood chips into the soil when planting, as they can cause uneven soil levels and increased temperature.

Is metal good for raised garden beds?

Metal raised garden beds are durable, stylish, and effective for long-term gardening. They offer a sleek, modern look and can help control pests like slugs and snails by preventing them from climbing up the smooth metal walls. Unlike wood or plastic, metal does not absorb moisture or bacteria, making it a hygienic choice for growing fruits and vegetables. Overall, metal raised garden beds are a great investment for any garden setting.

Should I line a metal planter with plastic?

Plastic liners are ideal for terracotta or metal planters, reducing water evaporation and extending watering intervals. They are cost-effective and help maintain soil moisture. Coir liners, made from coconut husks, circulate air and water, providing excellent drainage and airflow. However, they degrade faster than synthetic liners and require more frequent replacement, potentially impacting ongoing costs and maintenance.

What is the safest material for a raised garden bed?
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What is the safest material for a raised garden bed?

To minimize soil contact with treated wood in raised beds, paint the wood with exterior latex paint, treat it with a semi-transparent oil-based stain, and apply a heavy plastic liner between the treated wood frame and your garden soil. Build your raised bed with decay-resistant wood like cedar, black cherry, oak, black locust, Osage orange, or redwood, and use non-wood materials like stones, concrete blocks, bricks, or synthetic lumber.

Pressure-treated wood is the most widely available type of wood preservative for residential use, but it contains arsenic and is considered low in toxicity. Research from Oregon State University showed that pressure-treated lumber does increase soil copper concentrations by a minor amount, but only within 1 inch of the raised-bed edge. Their study found no increase in copper concentration in plants grown in raised beds made with pressure-treated lumber. If you have concerns about using MCA-treated wood, paint or stain the wood, use a heavy plastic liner between the wood and your soil, or use a non-wood building material (e. g., stones, bricks).

Cement blocks are safe to use for raised gardens, but they are made with cement and fine aggregates such as sand or small stones, often including fly ash, a byproduct of burning coal and containing heavy metals and other hazardous waste. Labels do not provide specific information on the aggregate used in the manufacture of the block, and there is little research data on this topic. If you plan to use blocks as a raised bed material and are concerned about potential risks, seal the blocks with polymer paint or choose another material.

What should you not put in a raised bed?

Raised beds are ideal for growing a wide variety of edible plants, but not all plants can or should be grown in them. Some plants grow too large for raised beds, such as potatoes, asparagus, artichokes, rhubarb, corn, wheat, rice, and winter squash. Raised beds can be challenging to maintain due to the need for ladders, which can be dangerous for harvesting plants. It is essential to consider the specific needs of each plant when choosing a raised bed, as not all plants can thrive in raised beds. Therefore, it is essential to carefully consider the type of plant and the space available for each plant to ensure the best growth and care.

How long do metal raised beds last?
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How long do metal raised beds last?

Metal raised garden beds offer several advantages, including durability, pest control, heat retention, and aesthetic appeal. They can withstand weather conditions for up to 25-30 years, outlasting wooden or plastic beds by a landslide. Metal beds also provide better heat retention, extending the growing season in colder climates but may be less effective in hotter ones.

However, metal beds have some disadvantages, such as blocked air flow, which can lead to root rot and overwatering. They can also be expensive, especially when exposed to higher acid soil. Zinc, a natural mineral in soil, can leach from metal into the soil, potentially causing toxic effects on plants. Some galvanized metal beds retain heat too well, making the soil too warm for sensitive plants.

Safety is another concern with metal beds, as sharp corners can pose a hazard for younger children running around the garden. Durable greenbeds, on the other hand, are known for their high durability and longevity, estimated to last 25 years or more. They are non-toxic and environmentally friendly, providing the same breathability as wood garden beds but with improved longevity.

Affordability is another advantage of metal raised garden beds. Prices depend on where you buy them, but generally, they have similar costs due to their high tolerance against weathering. Additionally, metal garden beds can be customized to fit any garden space, unlike metal garden beds, which cannot be customized.

In conclusion, metal raised garden beds offer several benefits, but they also come with drawbacks, such as blocked air flow, price, rust, zinc, heat retention, and safety concerns. It’s essential to weigh the pros and cons before choosing the right option for your garden.

Do metal raised garden beds get too hot?
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Do metal raised garden beds get too hot?

Metal raised beds are a popular choice for gardens due to their ability to withstand high temperatures even when exposed to full sun. The temperature near the bed wall can slightly increase on a hot day, but it is not warmer than planting plants against a hot brick wall.

To grow plants in metal raised beds during hot summers, it is recommended to use products like Birdies Raised Beds, Garden Grid™ Watering System, Gro-Well Raised Bed Soil and Nature’s Way Cactus and Patio Mix Soil, Midtown Swilt Umbrellas, and Fish in the Garden Sculptures. These products are coated galvanized steel with a powder-coated food-safe, non-toxic paint, and come with discounts of up to 10% off orders of $100+ with the “SHAWNA10” code.

In addition to these products, gardeners can also find metal fish sculptures, such as ceramic garden fish with metal fish stands, to add a touch of elegance to their garden. By using these metal raised beds, gardeners can create a beautiful and long-lasting garden.

What is the disadvantage of metal planters?

Metal planters can cause damage to plants due to sun exposure, soil drying, and root damage. To prevent this, use shaded or dark locations and protective coatings. Ceramic planters, made from natural clay, are durable and long-lasting, suitable for both classic and modern aesthetics. They are versatile, moisture-retaining, and suitable for aquatic, fern, bamboo, and succulent plants. Their drainage hole prevents overwatering for these plants.

What is the best material for the bottom of a raised garden bed?

The lower portion of a raised bed, composed of landscape fabric or cardboard, functions as a barrier to impede the growth of weeds within the bed. This physical barrier prevents the roots of weeds from accessing the nutrient-rich soil. The bottom of the raised bed also plays a crucial role in soil containment. Without it, soil can erode or wash away over time, particularly in heavy rainfall or on sloped terrain.

What not to fill a raised garden bed with?
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What not to fill a raised garden bed with?

Raised beds, particularly small and shallow ones under 12 inches deep, should be filled with soil to avoid interference with plant root growth and water drainage. Bagged raised bed potting mix is commonly used in small raised beds, but can be purchased in bulk from local landscape companies or made by blending topsoil, compost, and sand. Alternatively, the Lasagna Garden Method can be used to fill large raised beds with other materials, such as in-ground gardens or raised beds, to create a more cost-effective and efficient gardening solution. Both methods can help maintain the soil and water balance in the soil, ensuring optimal plant growth and drainage.


📹 Beautiful DIY Raised Garden Beds in 3 MIN!- How to Build

How to Build Beautiful DIY Raised Garden Beds in 3 minutes! Build portion of the video starts at 0:55 – 3:30 ….And then about 8 …


How To Construct A Tin-Raised Garden Bed
(Image Source: Pixabay.com)

8 comments

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  • This was a very helpful article. Not a lot of filler content or crazy tools used. Just a simple demonstration of how to build a simple project. The article doesn’t omit helpful details (like using clamps when screwing the sides together). One thing I did differently was to put wood preservative on the cut ends of the pt lumber. Also I used a miter rather than a butt joint for the cap, and built it in place rather than separately. This made things harder than they needed to be, and probably those miters will open up soon with all the weather this thing will get. So build the cap like the article shows.

  • I saw beds like these years ago. The difference in theirs and yours was that theirs had legs raising the beds even higher. Perfect for someone who has a troubling back and knees. I was excited to see your “how to” article. I have been talking to my husband about this for some time. He can now see that it really is possible!

  • I’ve built two of these, and I’m in the process of building two more. I did make a few changes however. Lumber is so outrageously expensive right now, that I opted to use landscape timber instead. The thickness and width of the timbers is not as uniform as the dimension lumber, but it’s treated and it should last much longer. I even went to the trouble of painting them before putting the steel onto them. The landscape timber makes them very heavy, but they’re much sturdier then if they were built with 2×4’s, since the landscape timber is an average of about 3 inches by 3.75 inches. Compared to the 1.5 x 3.5 of the construction lumber. They should last for years, especially since I painted them.

  • Great article! Thanks for posting. When you mentioned using treated lumber I kinda cringed thinking it would be best to avoid the chemicals used to treat the wood from getting into your soil and ultimately into your vegetables. Then while perusal the install of the metal panels saw there was very little soil in contact with the wood. Well done. Again, thanks for posting.

  • Nice Build! I am however curious, as I’ve seen different corrugated roofing builds and noticed that your design laid the corrugated roofing horizontally, where as others have built their’s with the roofing vertically. Have u noticed a difference in the build and on the external effect of water or drainage / moisture / wood rot ? Short term the build horizontally is easier as it doesn’t require cutting the corrugated roofing as frequently to panels, but didnt know if it was a design consideration.

  • I bought your plans. I am going to be building a couple of raised beds using galvanized corrugated steel with cedar for the frames. They need to fit on the south side of my house and there are some obstructions that I am working around. Two will be 3’x4’x26″ and one will 2’x4’x26″. I have the plans but my question is what gauge metal are you using. Home Depot has 31 gauge, but it seems very flimsy. I can get 26 gauge at a local building supply but the cost will be more. Once I have these built and filled with dirt I do not want them to bulge our in the middle.

  • Currently in the process of building a couple of beds just like these. Were you ever concerned with the inside corners where the metal doesn’t seal? I’ve been worried about the potential for leaking water leading to prematurely rotting the boards from the inside. Don’t know how to address this, other than maybe some food safe silicone caulk?

  • Those concerned about treated wood and galvanized metal being used for vegetable gardens. LoL. Do y’all know how much pesticides are used in store-bought vegetables and fruits? And yes, organic food gets sprayed too. Besides that, do you know how many different chemicals are in your car, that you breathe in every day? Between toxic plastics to toxic carpets. What about in your home? Most laminate flooring has crazy chemicals in it. Curtains, more carpet?😂 The least of your worries is a garden bed. Everything is trying to kill us.