A pallet can turn into a compact herb planter with safe wood, firm backing, drainage gaps, and a deep, loose potting mix.
A pallet herb garden works best when you treat it like a shallow raised bed, not a crate you toss dirt into and hope for the best. The wood has to be safe. The back needs to hold soil in place. The planting pockets need enough depth for roots. Then you match the herbs to the space, the sun, and the way water moves through the build.
You don’t need much to get started: a sound pallet, weed barrier fabric, screws, potting mix, and a free afternoon. The result is a neat patch of basil, thyme, parsley, chives, or oregano close to the kitchen door.
What Makes A Pallet Safe For A Herb Bed
Skip any pallet that smells odd, has dark spills, or came from a place where chemicals, fuel, or unknown cargo may have leaked into the wood. You want clean, dry boards with no rot and no nails sticking out where your hands will go during planting or harvest.
Look for a pallet stamp on the side block or stringer. The most useful mark is HT, which means heat treated. The APHIS wood packaging material guidance explains the ISPM 15 system used for wood packaging. For a home herb garden, heat-treated pallets are the safer pick. If you can’t find a readable mark, treat the pallet as unknown and move on to a different one.
Standard pallets around 40 by 48 inches are easy to handle and hold several herbs. Pick one with flat slats and no boards that bend hard under hand pressure. Scrub it with plain water, let it dry in the sun, and keep paint or sealant away from the planting area.
Pallet Herb Garden Build Steps For A Small Outdoor Space
A pallet herb garden can stand upright against a wall or lie flat like a low raised bed. Upright builds save room and dry faster. Flat builds are easier to water. For a first project, a slightly tilted upright planter is a good middle ground.
Tools And Supplies
Gather a pallet, drill, exterior screws, staple gun, weed barrier fabric, scissors, potting mix, work gloves, sandpaper, and a few short boards if the pallet needs extra backing.
Build The Soil Pocket
Stand the pallet with the slats running across. Pick the side that will face front. On the back, staple weed barrier fabric across the open spaces so soil won’t spill out. Many gardeners use two layers. That extra layer cuts blowout when the mix gets soaked after planting.
If the pallet gaps are wide, screw thin boards across the back so the planter stays stiff once the troughs are full and heavy.
Create Depth And Drainage
Herbs hate soggy roots. They also hate being starved of root room. Leave small gaps at the base so extra water can drip out. Then check the pocket depth. Six inches is a good floor for shallow-rooted herbs. Closer to eight inches gives you more wiggle room, better moisture holding, and less summer stress.
If your pallet is skinny, fasten spacer strips or a simple box frame to the back to gain depth. That extra room pays off with parsley, basil, and chives.
Fill With The Right Mix
Use potting mix, not dense yard soil. Raised or container-style planters need a loose blend that drains well and still holds enough moisture between waterings. The University of Maryland’s page on soil to fill raised beds explains why loose, deep, crumbly soil works better for root growth than compacted ground soil. In a pallet build, that point matters even more because the planting area is narrow.
Moisten the potting mix before filling the pallet. Fill each trough, tap the sides lightly to settle the mix, then top up again. Don’t mash it down hard.
How To Build A Herb Garden Out Of Pallets? Planting Layout That Works
Once the frame is full, plan the layout before you plant. Put thirstier herbs where you can reach them fast. Put woodier herbs in the sunniest, driest pockets. Give spreaders their own lane.
Best Herbs For The Top, Middle, And Bottom Rows
Top rows dry out first, so herbs that like sharper drainage fit well there. Thyme, oregano, and sage are solid picks. Middle rows suit basil, parsley, and chives, which like steady moisture and easy picking. Lower rows stay damp longer, which can work for cilantro in cool weather. Mint is best in its own separate pot, even if the pallet has space, because it runs hard and steals room.
The University of Maryland’s herb growing notes and the RHS advice on herbs in containers point back to the same basics: match sun, water, and growth habit before you plant.
| Herb | Best Spot In The Pallet | What To Watch |
|---|---|---|
| Thyme | Top row, full sun | Needs sharp drainage and light watering once settled |
| Oregano | Top or middle row | Spreads outward, so trim often to stop crowding |
| Sage | Top row, warm side | Dislikes wet feet and cramped, soggy soil |
| Rosemary | Top row with the deepest pocket | Needs sun, air flow, and a gritty mix |
| Basil | Middle row, easy reach | Needs warmth and even moisture; bruises in cold snaps |
| Parsley | Middle or lower row | Likes a bit more moisture than woody herbs |
| Chives | Middle row | Clumps up over time and likes regular cuts |
| Cilantro | Lower row in cool spells | Bolts fast in heat, so sow in short rounds |
Lining And Anchoring The Planter
The lining does more than stop soil from spilling out. It also slows drying and keeps the mix from sifting through the slats every time you water. Pull the fabric tight, staple it every few inches, and fold corners neatly so the pockets hold their shape. Loose fabric sags once the mix gets wet.
If the pallet will stand upright, anchor it well before filling. A soil-filled pallet gets heavy fast. Screw it to a fence post, fix it to a wall bracket, or brace the base with blocks so it cannot tip when the mix is wet or when you pull on a bunch of parsley. If you rent or do not want wall holes, set the pallet inside a sturdy frame that keeps it from sliding.
Where To Put The Planter So Herbs Stay Healthy
Most cooking herbs want six or more hours of sun. Put the pallet where it gets morning to early afternoon light if possible. Leave enough open space around the frame so leaves dry after watering. In hot yards, a slight lean helps water soak in instead of racing down the front.
Watering And Feeding Without Washing The Soil Out
New pallet planters dry out faster than regular raised beds, so water gently with a soft shower. Check moisture with your finger, not just your eyes. Water when the top inch feels dry and the planter feels lighter than it did after a full soak.
Feed lightly. A small dose of balanced liquid feed every few weeks during active growth is plenty for most pallet beds.
Simple Care Schedule
Trim often. Pinching tips keeps basil bushy and stops parsley and chives from turning coarse. Cut thyme and oregano before they get leggy. Refresh the top layer with a bit of fresh potting mix at the start of each season.
| Task | How Often | What Good Looks Like |
|---|---|---|
| Check moisture | Daily in hot spells, every few days in mild weather | Top inch starts to dry, deeper mix stays lightly damp |
| Harvest tips | Weekly once plants fill in | New side shoots form after each cut |
| Light feeding | Every 2 to 4 weeks during active growth | Steady color and fresh new leaves without weak, floppy stems |
| Check screws and fabric | Monthly | No loose boards, no bulging soil pockets |
| Top up potting mix | At season start and after heavy settling | Roots stay covered and troughs stay full |
Mistakes That Ruin A Pallet Herb Garden
The biggest mistake is using a bad pallet. If you don’t know where it came from and the wood looks stained or beat up, pass on it. That one choice can sink the whole project before you add a single herb.
The next mistake is using garden soil. It gets dense, drains poorly, and turns the troughs into hard bricks after a few wet-dry cycles.
Another common slip is cramming in too many herbs. Small starts look tiny on planting day, so it is easy to overpack the rows. A month later, basil shades parsley and oregano spills across the slats. Give each plant room from the start.
Last, don’t treat every herb the same. Mint, basil, rosemary, sage, and thyme do not want one shared watering plan.
Making The Build Last Longer
Prop the pallet slightly off the ground with bricks or pavers so the frame dries after rain. Replace torn fabric before it fails. In cold zones, move small pallet planters to a sheltered spot in winter if you can.
Final Build Notes Before You Plant
A good pallet herb garden is simple: clean heat-treated wood, solid backing, enough depth, loose mix, and herbs matched to the right row. Start small on your first round with four to six herbs you cook with often, then tweak the layout after you see how each pocket dries.
References & Sources
- USDA APHIS.“Wood Packaging Material.”Explains ISPM 15 treatment and marking rules used to identify treated wood packaging.
- University of Maryland Extension.“Soil to Fill Raised Beds.”Shows why loose, deep, crumbly growing media gives roots better drainage and structure.
- University of Maryland Extension.“Herbs for the Home Garden.”Provides practical herb-growing guidance on selection, care, and container growing.
- RHS.“Growing Herbs in Containers.”Gives container herb advice on light, watering, and plant choice that fits pallet planters.