Coco peat 101
How to use coco peat in your garden
Coco peat, also called coco coir, is the soft, spongy fiber from coconut husks. It holds water like a sponge but stays light and airy, so roots get both moisture and air. Here is what it is, how it compares with peat moss, and every way you can put it to work, from seed trays to lawns.
- Peat free and renewable
- Holds water and air
- Washed, low salt
- Near-neutral pH
- Just add water
The basics
What is coco peat?
Every coconut is wrapped in a thick husk. Inside that husk is a mix of long fibers and a fine, crumbly material. The fine part is coco peat. The chunky pieces are coco chips, and the long strands are coir fiber, used for ropes, mats and baskets.
For years the husk was treated as waste. Today it is cleaned and pressed into compact bricks and blocks that turn back into fluffy growing medium when you add water. A 650 g brick makes about 10 quarts, and a 5 kg block about 59 quarts.
How Kokkonut coco peat is made
- CollectHusks are collected from coconut farms and processors near our family factory in India.
- WashThe coir is washed to bring salts down to a low EC, then dried.
- GradeIt is sieved and graded: fine coco peat one way, chunky chips the other.
- PressDry coir is pressed into bricks and blocks, so it ships small and stores for years.
Compare
Coco peat vs peat moss
Both are used to lighten soil and hold water. Here is how they differ.
| Coco peat (coir) | Peat moss | |
|---|---|---|
| Where it comes from | Coconut husk, a by-product of the coconut harvest | Dug from peat bogs that take thousands of years to form |
| Renewable? | Yes, coconuts are harvested year round | Not on a human timescale |
| pH | Near neutral, no lime needed | Acidic, often limed for vegetables |
| When it dries out | Soaks water back up easily | Can repel water and be hard to re-wet |
| How long it lasts | Breaks down slowly, keeps its structure | Breaks down and compacts faster |
| Nutrients | Very few, so add compost or fertilizer | Very few, so add compost or fertilizer |
Use cases
10 ways to use coco peat in your garden
One material, many jobs. Pick the use that fits what you grow.
1. Seed starting
Clean, fine and airy, so seeds sprout well and seedlings lift out easily. Sow in pellets or fill trays with coco peat mixed with vermiculite.
2. Potting mix
Blend coco peat with compost and perlite for a light mix that holds water without turning soggy in pots and window boxes.
3. Raised beds
Fill new beds with equal parts coco peat, compost and topsoil. The bed stays loose, drains well and needs less watering.
4. Soil improver
Work 2 to 3 inches into heavy clay to open it up, or into sandy soil to help it hold water and nutrients.
5. Lawns and new seed
Top-dress with 1/4 inch of coir and compost after aerating, or dust it over new grass seed to keep it moist while it sprouts.
6. Orchids and houseplants
7. Hydroponics and greenhouses
8. Mulch
Spread 2 to 3 inches of coco chips around plants to keep soil cool, slow evaporation and keep weeds down. Keep it off stems.
9. Worm bins and compost
Moist coco peat makes clean, fluffy bedding for worm bins and a good “brown” layer in compost, balancing wet kitchen scraps.
10. Cuttings and propagation
Root cuttings of herbs and houseplants in moist coco peat or coir pellets. It holds moisture around the stem while letting new roots breathe.
Not sure where to start?
Our starter kits put the right coir together for one job, for less than buying the pieces on their own.
How much do I need?
Enter your bed or pot sizes and the calculator tells you how many bricks, blocks or kits to order.
Recipes
Easy coco peat mix recipes
Measure by volume, using any container as your “part”. Always expand the coir first.
| Job | Mix |
|---|---|
| Seed starting | 1 part coco peat, 1 part vermiculite (or sow straight into coir pellets) |
| Pots and containers | 2 parts coco peat, 2 parts compost, 1 part perlite |
| Raised beds | 1 part coco peat, 1 part compost, 1 part topsoil |
| Orchids | Coco chips on their own, or 3 parts chips to 1 part perlite |
| Aroids and hoyas | 2 parts coco chips, 1 part coco peat, 1 part perlite |
| Hydroponics | 7 parts coco peat, 3 parts perlite |
| Clay or sandy soil | 2 to 3 inches of coco peat and compost, worked into the top 6 to 8 inches |
| Lawn top-dressing | About 1/4 inch of half coco peat, half compost |
Coir holds very little food for plants. Add compost or fertilizer to any mix, and feed regularly once plants are growing.
Get it ready
From brick to growing medium in 30 minutes
- SoakPut the brick in a bucket with about half a gallon of warm water, or a 5 kg block in a tub with about 5 gallons.
- WaitGive it 30 to 40 minutes. Pellets and discs only need 5 to 10.
- FluffBreak it apart by hand until it is loose and even, then drain any extra water.
- Mix and plantUse it on its own or blend it to one of the recipes above.
Choose
Which Kokkonut product do I need?
| Product | Makes about | Best for |
|---|---|---|
|
Coco peat brick, 650 g OMRI Listed |
10 quarts | Seed starting, potting up, small containers, houseplants |
|
Coco peat block, 5 kg OMRI Listed |
59 quarts | Raised beds, big containers, soil improving, lawns, hydroponics |
| Coco chips brick, 500 g | 0.25 cu ft | Orchids, aroids, succulents, small mulch jobs |
| Coco chips block, 4.5 kg | 50 quarts | Mulching beds, chunky mixes, large orchid collections |
| Coir pellets, 30 mm | 40 ml plug each | Sowing seeds and rooting cuttings |
| Coir discs, 60 mm | 120 ml each | Potting up seedlings, topping up small pots |
| Pre-filled grow bags | Ready to plant | Nurseries, greenhouses and container growing |
FAQs
Coco peat questions, answered
Does coco peat have nutrients?
Very few. That makes it a clean, predictable base, but plants need food from compost, worm castings or fertilizer. Mix some in, and feed regularly once plants are growing.
Is coco peat acidic?
No. Coir is close to neutral, unlike peat moss, which is acidic. You don't need to add lime for vegetables and most garden plants.
Do I need to rinse it?
Kokkonut coir is washed to a low EC (0.5 mS/cm or less), so for gardens, pots and beds you can use it straight after soaking. Hydroponic growers often also soak it in a calcium-magnesium solution before planting.
Is it safe for vegetables and organic gardens?
Yes. Kokkonut coco peat bricks and 5 kg blocks are OMRI Listed for use in organic production.
Can coco peat be used on its own?
For seed starting, cuttings and hydroponics, yes. For pots, beds and soil, mix it with compost or soil so plants have food and the mix has body.
Will it attract fungus gnats?
Fungus gnats like any growing medium that stays wet on the surface. Let the top inch dry between waterings, water from below for seedlings, and use pots with drainage holes.
How long does it last, and can I reuse it?
Coir breaks down slowly and keeps its structure for several seasons. You can reuse it: remove old roots, refresh it with compost, and mix it back into beds or pots.
How should I store bricks and blocks?
Keep them dry and out of direct rain. Compressed coir stores for years. Once expanded, keep leftovers in a bag or bin and let them dry a little so they stay fresh.
Ready to grow in coir?
Work out how much you need, or start with a kit made for the job.
