In may harden them off for a week by placing in an open cold frame or on a patio before planting them out where they are to flower.
Potting on seedlings uk.
This will help keep the air inside moving and reduce the risk of disease and moulds.
Easy guide to potting up seedlings.
Tomato seedlings grow fast and are hungry feeders so keep them in vigorous growth by potting on as soon as they have rooted through their containers.
You simply need a new container and some potting mix.
We recommend a container that is twice as big as what they are in now and a high quality potting mix like fox farm ocean forest.
Potting up seedlings as they grow provides them the best chance to grow stronger and bigger feel less stressed and live their best life.
Ideally the tray should be 7 5cm 3 in deep to allow for the development of a strong root system.
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The more space they re given in the greenhouse the stronger they ll be as tightly packed plants tend to be drawn upwards with weak stems.
When a plants roots are being restricted to.
Water seedlings to keep the potting mix moist but be careful not to overwater.
This is especially helpful for young seedlings who still have tender roots.
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If you re growing in a greenhouse tunnel or cold frame ventilate it on mild sunny days.
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Prepare a cellular seed tray or individual pots with good potting compost and firm in well.
A root bound plant is not a happy plant.
Feed fortnightly with a liquid tomato fertiliser when the first buds appear.
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This video show you how to do th.
Once seedlings get to a given size if you are not ready to plant them into the garden yet they often need to be potted up.
We like to mix the potting mix and the seed starting mix in a 50 50 ratio.