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Potting on seedlings

in Talkback
Hi guys. I've got trays of seedlings with two true leaves ready to pot on would you put one per pot or should it be more. I would like to have some in the greenhouse to help with green fly so pots would be better for the whole of their life but the remainder will go forth into the garden when ready
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Pot on singly into a multi tray, one of those with a dozen small sections or pots, the compost needs to be one third compost one third washed sand and one third small grit or vermiculite for drainage. They do not need rich compost until the next pot on or going into the ground. The next pot on will need half compost and the other half a mix of sand and grit, mine at that point go into three inch pots until after the last frost. Treat them like baby's start on milk, wean to solids, then plant out, they thrive in ordinary loam after that.
Frank
Thanks Frank
I've got loads of those and won't have to buy more compost yet