Planter Box Basics

Choose a high-quality potting soil for your planter box; don't use garden soil. Potting soil is sterile, free from weed seeds and diseases and blended with a material such as pumice or perlite to provide good drainage. Fill the planter box to about 1 inch below its rim.

Do you put anything in the bottom of a planter box?

What do I put on the bottom of a raised garden bed? The bottom of a raised garden bed should be a layer of grass clippings, leaves, wood chips, straw, and other organic material. The cardboard should be placed on top of that layer. The organic material will turn into compost, while the cardboard will prevent weeds.

What do you fill a planter with?

Lightweight Filler for Pots

  • Recycle Plastics. Plastic Water/Soda Bottles. ...
  • Reuse Packing Materials. ...
  • Unused Plastic Pots Turned Upside Down.
  • Recycled Crushed Cans.
  • Natural Materials. ...
  • Recycled Cardboard, Newspaper (Also for short term use only.)

What soil should I put in a planter box?

For any container planting, you're going to use potting soil. Don't just grab soil from your yard—it's too heavy, likely has a lot of clay or rock, and can contain bugs and disease spores.

What do you put in the bottom of a planter box for drainage?

If you're planting in large containers, you can use a layer of plastic bottles at the bottom to help fill them up. The bottles should be empty, but not crushed, and have the caps on them. You can use water bottles or half-gallon jugs.

DIY RAISED PLANTER BOX // How To Add Waterproofing Liner And Bottom

Should I put rocks in the bottom of my raised garden bed?

Filling The Bottom Of Your Garden Beds

Since you're putting your highest-quality soil on the surface, whatever's underneath will need to drain off an excess of moisture. Avoid using materials like rocks on the bottom of your raised bed, as this can create an artificial water table that will prevent good drainage.

What can I use instead of rocks in a planter?

You can use gravel but, if you do not need the extra weight for stability, use cut-up swimming pool noodles, crushed empty water bottles, much less expensive bark mulch…. You have the idea, use what you have that will not disintegrate with water, or harm your potting soil.

What can I fill the bottom of a large planter with?

Light materials you can use to fill the bottom of your large planter include:

  • Water/soda bottles.
  • Water or milk jugs (lids on, if possible)
  • Solo cups (turned upside down)
  • Take-out plastic food containers.
  • Empty detergent bottles.
  • Nursery pots and 6-packs (turned upside down)
  • Unused plastic pots (turned upside down)

Do I need to line my planter box?

You need to line your planter box if it's made from wood or metal. The liner will help prolong the planter's life. You don't need to use a liner if the planter is made using plastic, ceramic, or concrete as they are quite durable by themselves.

How do you prepare a planter box?

Steps for Preparing Flower Pots for Planting

  1. Clean Your Planter. ...
  2. Check Your Pot for Drainage Holes. ...
  3. Line Your Planter. ...
  4. Determine a Planter Filler Material. ...
  5. Add a Barrier. ...
  6. Select the Right Soil. ...
  7. Fill Your Planter.

How do you fill a tall planter box?

How to Fill a Tall Planter

  1. Check your planter for a drainage hole at the bottom. ...
  2. Fill the bottom half of the planter with space savers instead of potting soil. ...
  3. Separate the filler from the soil with a layer of newspaper, cheesecloth or landscaping fabric.
  4. Add potting soil to the planter, leaving a few inches at the top.

How do you fill a planter?

Fill your planter 1/3 to half full with your filler material. Use whatever filler material you've chosen to fill your planter 1/3 to half full. Some people choose to measure the depth of their plants instead, and subtract that number from the height of the planter to determine how much filler they need.

What plants look good in planters?

Get more container gardening design tips & ideas here.

  • Coleus are great plants for patio pots.
  • Begonias make excellent potted patio plants.
  • Creeping jenny are common garden plants for pots.
  • Canna lilies are good plants for large pots.
  • Hibiscus are nice large outdoor potted plants.

Do I need to line a wooden planter?

Does a wooden planter box need a plastic liner? Yes, wood planters will last much longer when lined with plastic. Plastic liners prevent moisture from being in constant contact with the wood. This in turn prevents the wood from rotting prematurely.

How do you fill a wooden planter box?

How to fill a large wooden planter box – What to use?

  1. Broken glass bottles. Broken glass is excellent for keeping the drainage holes of your planter open. ...
  2. Styrofoam peanuts. Credit: Shutterstock. ...
  3. Broken ceramic. ...
  4. Gravel. ...
  5. Small rocks. ...
  6. Wood chips. ...
  7. Old containers. ...
  8. Tiles.

What do you put in bottom of raised beds?

You can fill the bottom of a raised garden bed with a number of organic materials, including straw, grass clippings, wood chips and leaves. Place cardboard – or any suitable weed barrier material – over this organic layer, weighing it down with a few bricks or pegs.

What should I line my wooden planter with?

To protect the wood, line the planter inside with plastic, such as old plastic compost bags, fixing it with small nails. Make drainage holes before filling it with compost.

Can you put mulch at the bottom of a planter?

Adding some mulch to the bottom of your planter can be a great way to improve drainage. Not to mention, you'll need less soil to fill the pot. Mulch also protects the roots from the negative effects of sunlight and decomposes and releases nutrients into the soil.

Can you put Styrofoam in the bottom of a planter?

It is not recommended to use Styrofoam peanuts for potted plants now, because they may break down in water and soil, leaving you with sunken in containers.

Do I need drainage holes in my planters?

Whether your potted plants are indoors or outdoors, proper drainage is an essential element to ensure they stay healthy. This process keeps water from pooling at the base of the pot, which can cause bacteria, fungus and root rot.

Can I use a planter without drainage?

If you don't have a drainage hole in your pot, you probably shouldn't use it for an outdoor plant, unless the plant will be sheltered from rain. You need to micromanage the amount of water going into your pot; if it get's drenched in a downpour, all could be lost. More soil means more moisture for longer.

Should I put rocks on top of soil?

Adding rocks to topsoil prevents water loss by shading the soil and reducing the temperature below it. As a result, less water evaporates out of the atmosphere. Additionally, the rocks prevent drafty winds from removing water out from the soil as it acts as a shield when it coats the top layer.

Should you line a garden box with plastic?

Avoid lining your garden beds with plastic, as this prevents drainage and could drown your plants' roots. If you have a weed and pest problem, consider installing a combination of metal mesh and fabric or hardware cloth and cardboard to get both benefits at once.

Should I put cardboard in raised beds?

If you are lining the bottom of your beds in an attempt to keep pesky weeds from growing up from the bottom of your raised beds, cardboard should serve as a better, and longer-lasting deterrent.