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Construction of Table Gardens

Everyone should have the opportunity to garden, however, Small garden in metal tub built into a wood tabletraditional gardening at ground level can be physically demanding on your knees and back. Often, it requires bending, stooping and kneeling, which can be challenging for some people. Bringing the planting bed up to waist height can provide a more comfortable opportunity to garden. It also provides head-on access for people who sit in wheelchairs and allows their knees to go under the raised planter sitting straight.


Table gardens

Small garden in metal tub built into a wood table

have all the same benefits of other raised beds, such as improved planting media, good drainage and reduced weed encroachment. Table gardens are ideal for temporary gardening locations, poor soils, outdoor classrooms, paved areas and small patios.

 

 

Building a Table Garden

 

Materials

55-gallon plastic barrel (food grade)
140 inches 4×4-inch posts
322 inches 2×4-inch boards
216 inches of decking board
Several 1 5/8-inch screws
Several 2 ½-inch screws
Washers
Sand Paper
All-weather wood sealer

 

Tools

Reciprocating saw
Circular saw or miter chop
saw
Tape measure
Triangle
Clamps
Pencil
Drill with screw bit

 

Constructing Table Top

  1. Cut barrel in half – lengthwise, giving you 2 half barrels.
  2. Cut 2×4-inch board to length of barrel. You will need three of these lengths (A1, A2 and A3 on Figure 1).
  3. Using 1 5/8-inch screws, attach a 2×4-inch board (A1 & A2) to the outside of barrel 1, along the long cut edges. Use clamps to hold 2×4-inch board in place. Insert screws at point V (See Figure 1) from inside the barrel into wood and use washers to reinforce hole in barrel. (See Photo 1)
  4. Attach the second half barrel (barrel 2) to board A2. Again, use clamps to hold barrel in place and use washers and insert 1 5/8-inch screws from inside the barrel 2 into board A2 at Point V in Figure 1.
  5. Attach the third 2×4-inch board (A3) to the other side of the second half barrel (2), again using clamps, washers and insert 1 5/8-inch screws from inside the barrel into wood at Point V in Figure 1.
  6. Turn barrels upside down and set aside.

 

Barrels attached to wood edges

 Figure 1.

 

Inserting a screw into wood

 

Photo 1.

 

 

Constructing Table Legs

7. Cut 4×4-inch post to 36-inch length. You will need four of these posts (B on Figure 2). Thirty-six inches will be the height of the table; different lengths can be used to make a shorter or taller table, based on preference.

 

8. Using the reciprocating saw, notch out one end of each 4×4-inch post so that A1 and A3 will be supported by the 4×4-inch posts. See inset in Figure 2.
*Note – 2×4-inch boards are not true measurements; 2×4-inch boards are typically 1 ½ x 3 ½ inches.

 

Connecting wooden posts together

 

Figure 2. 

 

9. Using 2 ½” screws, attach the notched end of the 4×4 post to each end of 2×4-inch boards attached to barrels (A1 & A3) at Point W in Figure 2. These will be the corner legs of the table. Take care that the edges of the 4×4-inch post and the 2×4-inch boards align at the ends; another board will be placed flush against these edges (C1 top & C2 top).


10. Measure the total width of the attached barrels with the attached wood to get accurate measurement for C1 & C2 top and bottom boards in Figure 2. Measure from the outside edge of one 4×4-inch board to the outside edge of the opposite 4×4-inch board, across the two barrel halves. Measure both sides, as the two sides (C1 & C2) may be different lengths.

 

11. Cut two 2×4-inch boards for the length of each table side (C1 top, C1 bottom, C2 top and C2 bottom).

 

12. Using 2 ½-inch screws at Point X in Figure 2 attach one of these cut 2×4-inch boards to each side of the table (C1 top & C2 top).

 

13. Using 2 ½-inch screws, attach remaining two 2×4-inch boards (C1 bottom & C2 bottom) to the inside of 4×4-inch legs (B) at points Y in Figure 2. The boards should rest firmly upon the barrels, in order to help support the weight of the barrels when the table is turned right side up. See Photo 2.

 

Drilling a screw into plywood

  

Photo 2.

 

 

Finishing Table Garden

14. Flip the entire table over so that it is right side up.

 

15. Insert 1 5/8-inch screws with washers from inside the barrel to attach each half barrel to C1 & C2 tops at Point Z.

 

16. Drill holes in bottom of barrels for drainage. The number and size of holes for drainage will vary, depending on the soil media and plant selection. It is easier to increase drainage later by drilling more holes in the bottom of the barrel after planting than it is to reduce drainage.

 

17. Use triangle to make mitered corners, and 1 5/8-inch screws to frame the top of the table with decking boards. See Figure 3 and Photo 3.

 

18. Sand smooth.

 

19. Paint or weather seal wood.

 

20. After the paint has dried, fill the barrels with potting soil.

 

21. Plant!

 

Placing plywood on the top of the table

 

Figure 3.

 

Drilling screw into plywood corner

 

 

Photo 3. 

 

 

Planting Your Table Garden

Table gardens are ideal for most annual vegetables and herb plantings. Due to the elevation, garden tables are not recommended for growing taller vegetables, such as corn and taller okra varieties, as the crop will be out of reach and the plant will be exposed to more wind. In addition, the growth habit of heavy vines, such as watermelon and pumpkins are not ideal for table gardens.

 

A table garden is similar to a container garden and may dry out faster, requiring more watering than if you were to plant the same plants in the ground. The benefit to this is they will also drain faster during heavy spring rains.

 

Table 1. Ideal table gardening plants.

 

  Warm Season Cool Season Herbs
  Beans Beets Basil
  Eggplants Carrots Borage
  Peppers Chard Catnip
  Squash Garlic Chives (onion & garlic)
  Tomatoes Kale Cilantro
  Zucchini Lettuce Dill
    Onions Fennel
    Peas Lavender
    Radish Lemon Balm
    Spinach Lemon Verbena
    Turnips Marjoram
      Mint
      Oregano
      Parsley
      Rosemary
      Sage
      Savory
      Scented Geraniums
      Thyme

 

Other OSU Extension Gardening Publications

HLA-6004: Oklahoma Garden Planning Guide
Oklahoma Gardening Video https://youtu.be/ZDe3Yxc0nZcTop of plants in a table garden

 

 

Casey Hentges
Assistant Extension Specialist

 

Qing Lana Luo
Assistant Professor, Extension Landscape Architecture Specialist

 

Laura Payne
Extension Associate

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