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What Are the Benefits of Raised Bed Gardening?

What Are the Benefits of Raised Bed Gardening?

“Are raised beds easy to grow in and maintain? I live in North Carolina. During the winter can I put a tarp-type Greenhouse over them to help protect vegetables from the cold.” Question from Karen of Rougemont, North Carolina

Answer: There are many benefits to growing in raised beds and very few downsides. Here are the pros and cons of raised bed gardening, followed up by methods to help maintain your garden through winter.

Pros of Raised Bed Gardening

  1. Deeper, Lighter Soil: If you fill your raised beds with good soil from the start, it helps root crops grow deeper and all plants set deeper roots for higher yields. We recommend using either Black Gold® Natural & Organic Raised Bed & Potting Mix or one-part ground soil to two-parts Black Gold Garden Compost Blend. If you have more alkaline soil, the addition of Black Gold® Natural & Organic Canadian Sphagnum Peat Moss is helpful. Top off the beds with additional quality topsoil or amendment yearly.
  2. Easier Weeding: Raised beds have looser soil, are higher, and often cover a smaller area, making them easier to weed. It’s also easier to harvest after rain and stay clean when beds are surrounded by pebble, straw, or cut grass.
  3. Easier Harvest: Because they are raised, the beds are easier to harvest and replant.
  4. Easy Planning and Rotation: When you have just a few geometric beds, it is easier to design plantings for yearly rotation (Click here to learn more about the importance of rotating crops)

Cons of Raised Bed Gardening

  1. Initial High Cost: Raised beds are not inexpensive to install if you start out right.
  2. Less Space for Big Crops: Unless your beds are large and you have trellising, you have less space for large crops like vining pumpkins, squash, and melons or multiple rows of corn.
  3. Need Replacement: Eventually your beds will need to be replaced. Metal and plastic options last longer. Cedar raised beds are also long-lasting. Never use treated wood to create raised beds because the wood contains heavy metals that can leach into the soil and be taken up by crops.

Raised Bed Covers

Floating hoop covers are the easiest and best insulating covers to extend growing in raised beds. You also may consider adding a cold frame to your raised bed plan. They make it easiest to continue growing herbs and greens through winter. (Click here to learn more about cold-frame gardening.)

I hope that this helps!

Happy Gardening,

Jessie Keith

Black Gold Horticulturist

About JESSIE KEITH

Plants are the lens Jessie views the world through because they’re all-sustaining. (“They feed, clothe, house and heal us. They produce the air we breathe and even make us smell pretty.”) She’s a garden writer and photographer with degrees in both horticulture and plant biology from Purdue and Michigan State Universities. Her degrees were bolstered by internships at Longwood Gardens and the American Horticultural Society. She has since worked for many horticultural institutions and companies and now manages communications for Sun Gro Horticulture, the parent company of Black Gold. Her joy is sharing all things green and lovely with her two daughters.

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