Pallet planter box
~1100mm long
~550mm wide
~550mm high
Wicking bed example
http://www.urbanfoodgarden.org/main/vegetable-patch-design/vegetable-patch-design-images/vegetable-patch-design--wicking-bed-workings-cut-away-large-.gif
Layers and parts
-
Black plastic
https://www.bunnings.com.au/search/products?q=black%20plastic%20roll&redirectFrom=Any
Seals the box, stapled around the inside at the top of the box -
Agg pipe
https://www.bunnings.com.au/vinidex-100mm-x-10m-slotted-draincoil_p4770252
Creates cavity for the water reserve -
Scoria
https://www.bunnings.com.au/tuscan-path-10mm-15kg-natural-landscape-scoria_p3460107
Fills in around agg pipe and helps support soil above -
Inlet pipe
~50mm pvc pipe or similar
Channel water to the reserve for filling -
Runoff pipe
~ 20mm pvc or similar
allows excess water (eg when raining) to exit system -
Hose clamp
https://www.bunnings.com.au/prime-22-32mm-solid-butterfly-screw-band-hose-clamp_p3110906
Fixes the black plastic to the runoff pipe -
Silicone
https://www.bunnings.com.au/parfix-300g-white-bathroom-and-kitchen-silicone_p1232690
_Water tight join between runoff pipe and black plastic -
Weed mat
https://www.bunnings.com.au/coolaroo-1-83-x-5m-prepacked-weed-control-mat_p3040599
Hold soil, straw and sand out of water reservoir, a section needs to reach bottom of water reservoir. Also stapled around the inside at the top of the box -
Sand
https://www.bunnings.com.au/bastion-20kg-river-sand_p0760538
Level the bottom of the soil and fill in the cavity extending to the bottom of the reservoir to pull water up to the soil -
Straw
https://www.bunnings.com.au/sweet-garden-18m-organic-sugar-cane-mulch_p2961137
Optional layer to protect the sand from the soil. Also mulch over top of soil -
Soil
At least 30cm is suitable for most things
Links are for example only, some items can be sourced from https://www.cansand.com.au/2015-price-list/
, or scavenged.
Black plastic, agg pipes scoria, and inlet pipe
Added Weed mat, sand, and runoff pipe
Final, added straw layer, soil, and mulch