Raised beds built on dark pavement will usually have higher moisture needs than those built on a lawn or natural substrate.
Building raised beds on patio.
Wash your hands after working with treated wood.
This is a tutorial for a 4 x4 raised garden bed on casters for use on a deck or patio.
Add enough soil mix to fill.
Hard surfaces will prevent beneficial creatures like earthworms from entering raised garden beds from below.
For most applications a good basic mix is made from 60 percent topsoil 30 percent compost and 10 percent potting mix.
If any of the screw.
Choose a sunny level location for the raised bed.
Build the side frames.
Wear gloves a dust mask and eye protection when handling or cutting wood.
Join the parts with screws.
Clamp the parts to a flat surface with the best looking sides face up.
Don t use pressure treated wood as mulch.
Adjust the ratios of soil and amendments according to the needs of the plants you select.
It can be done in a day for under 100 bucks.
Keep in mind that installing a raised garden bed on top of a deck may cause staining or water damage unless drainage is controlled.
Fasten the side frame parts with toe screws screws driven at an angle.
Discoloration on concrete should be easy to remove with a pressure washer if needed.
Dispose of sawdust and waste according to local regulations.
But you can adjust your lumber lengths and do whatever size you need.
Don t burn pressure treated wood.
This tutorial can be used to build two versions of 4 x4 raised planter beds on casters one is 18 high and the other is 30 high.
How to build raised garden beds build the end frames.