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How often should you feed and water coco coir in your garden?

Whilst growing plants in coco coir is similar to growing in soil, there are some differences. This article looks at how you should be watering and feeding your plants when using the ecologically sound growing medium that is coco peat. Our experts can guide you on how and when to feed and water coco coir, in order to give yourself the best chance of achieving optimum results.

somebody watering a plant in the garden

Watering coco coir

When you buy high-quality coco coir peat briquettes, the coir you receive doesn’t contain any nutrients of its own. This means you will need to add plant food to every watering, the content of which will largely depend on what you’re trying to grow in the soil.

As with any soil mix, it’s impossible to provide a one-size-fits-all approach to watering your coco coir. A good rule of thumb would be to water every four or five days. You also need to use a pot that provides good drainage, as your coco coir requires air as well as moisture to promote healthy plant growth. If there’s too much moisture inside, there won’t be enough air.

Checking whether coco coir is properly watered

After watering your coco peat, there are a couple of ways you can perform a quick check to ensure that you’ve done it correctly. First, if you pick up some of the mixture in your hand and water runs out from it immediately, it means you’ve over-watered. If no moisture is evident, this indicates that it’s too dry. Achieving the ideal level of moisture in the soil will result in your coir letting out a little moisture – but it should disappear quickly through your fingers and then stop.

The weight of your plant pot will also provide a reliable indication of the amount of water being retained: the heavier it is, the more moisture it contains. Before watering, it’s a good idea to lift your coco pot to gauge what it feels like when free of water. In the future, if it feels on the light side, you’ll be better equipped to recognise that your coco coir needs watering.

water can pouring water over plants growing in coco coir in the garden

High-quality coco coir

Another important factor to consider is the quality of the coco coir you are purchasing. At Coco & Coir, the high-grade coco peat briquettes we supply are pathogen free, of consistent quality and created from only the most sustainable and ecologically friendly manufacturing methods.

For too long, peat moss has been widely used in domestic gardening. Being a plant-growing medium that takes hundreds of years to replenish, harvesting it for this use is simply not sustainable.

If you would like to find out more about our passion for greener horticulture or you’d like some expert advice on using coco peat for your home gardening projects, please visit us online or give our friendly team a call on 0207 1756786.

3 Comments

  • paul Posted August 24, 2019 9:12 am

    Ƭhis рost is invaluable. Ηow can I find out morе?

  • Herbert Posted December 9, 2019 8:03 pm

    Thanks for the good informations. I have some plants in coco coir and first they looked damn good in the seedlings/earlyveg/veg stage. They were growing way faster as in normal soil,i use coco fertilizers. I had them in 2l pots first after 2-4weeks they got pretty big and the roots became rootbound and i noticed some lower leafs dry out and at that time the plants needed 2 times per day water because the leafs dried out quicker if i only watered one time per day so i think they had not enough moisture and started to wilt.
    I did transplant them into 7l pots and let the plants root for around 1 and a half week and i noticed that the leafs started to dry out / die.
    I started the flowering stage and the plants exploded in size. They are now around 1meter in height but i started to notice that the leafs start to dry out again. It looks like before where they were in the 2l pots and started to dry out too fast.
    Im not 100% sure if i should water more often because im afraid of root rot. I can’t say if the pot are light in weight because the plants weight so much and i cant take much coco out of the pots to do the test like you say with the water running out of the fingers/hand because the pots are full of roots
    I will take from every pot the loose coco and see if its to dry or to wet but i think they are to dry because of the same symptoms they had in the 2l pots. But i thought if its too dry the plants start to droop and also if they are overwatered. They never had any droopy leafs in coco since i started the seeds in it.
    I thought about a moisture meter that is made for soil but don’t know if this works also for coco because of the different structures coco and soil have.

    I took a look at the roots and the pots are fully rooted and thought maybe its a rootbound problem and found on the internet that rootbound can lead to different symptoms like leaf wilt. If the plants were too dry they would droop and look lifeless but wouldn’t have dying leafs.
    Could rootbound be the problem with the dying leafs? I never had those problems in soil but my plants in soil never had such a root mass like in coco. Maybe i will use 15l pots next time or start to flower the plants more early so they don’t get too much roots so i can find out if that is my problem. I also thought about fungal/bacterial infections or algae growing in the coco coir but the coco/roots doesn’t have any bad smell or so.

    Do you know what the problem could be? Does a moisture meter work with coco coir?

    Greetz and sorry for my bad english

  • Charli Smith Posted March 13, 2020 10:18 am

    From using leftover coffee beans to preventing dirt from getting underneath fingernails, master gardener Paul James shares his top 14 tips and shortcuts to make spring gardening a breeze.

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