This experiment is similar to cutting the rockwool in half. I’ve cut slits in the bottom of the rockwool to help the arugula roots reach the Tower Garden water sooner.  The seeds have been started using this seed starting procedure.

June 6, 2015

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Placed in the Tower Garden June 14. Picture taken June 18.

Placed in the Tower Garden June 14. Picture taken June 18.

June 30, 2015 -  Arugula is doing well.

June 30, 2015 – Arugula is doing well.

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July 19

After 6 weeks the arugula in the sliced rockwool grew well.  I may try this again.