Experiment: Root-bound Tomatoes

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After returning from the Dwell on Design show, I had a Deep Six seed-starter full of root-bound tomatoes (one of them is the “Older Plant” above). I left them in their pot for display at the show, otherwise, I would have transplanted them out several weeks earlier. I also had a Deep Six full of tomatoes that were just the right age for transplant (that’s the “Younger Plant” above). I transplanted one of each to 4″ pots to see how much difference being root bound in a seed-starter makes to the adult plant. I’ll post updates as the plants grow.

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Sometimes it’s helpful to use a plastic plant marker to remove seedlings from the deep six. Just go around the edges like loosening a cake from a pan.

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This is the younger plant being pulled from the seed-starter (after some loosening). You can see that the soil is still loose around the roots. It’s not at all root-bound.

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This is the older plant, with tons of roots wound tightly around the soil.

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