Germinating Kale and Spinach Seeds Hydroponics [Mythbusting]


I had some trouble germinating Kale and Spinach Seeds for my hydroponics system. I have heard about “floating” seeds in water to see which seeds would be viable and which ones would be less likely to germinate. Ever the skeptic I decided to put this to the test.

There is something to it. Some of the seeds quickly sink to the bottom and some seem to be quite buoyant. Whether this means they are more likely to germinate or not I am not sure. Let’s find out.

I made sure to drop the Kale and Spinach seeds fairly high in order to break the surface tension of the water. As you can see the seeds sank down a ways, some decided to float back up to the surface after a quick soak.

What do you think?

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