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Thu, Jan 16, 14 at 15:50
| I am new to this forum and gardening really in general. I am sowing seeds for guardsman onions which I guess is a leek of sorts. I planted a few seeds, ONE per grodan cube and I got them to grow into seedlings HOWEVER, in my newbness I have a feeling starting ONE seed per grodan cube is wasted space? Meaning can I/ should I, throw a few seeds of these types of plants per grodan cube to start them out? I am moving these things later into clay pebbles and growing them hydroponically. Just wondering how many should be started per 1 inch grodan cube so I'm maximizing my effort and production. Any guidance would be MUCH appreciated. Thanks again. |
Follow-Up Postings:
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| Which size of cubes? They come in scads of different sizes. Scallions are normally planted singly so if using the 1" cubes you are right in how you planted them. Plant more than 1 per cube and you get clusters of bulbs. Dave |
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- Posted by jackblasto none (My Page) on Thu, Jan 16, 14 at 22:19
| Yes, Dave. They are the 1" cubes. I'm assuming clusters are bad :)? |
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| I would sow them in a bigger container, with a lot of seeds. Maybe 2 seeds per square inch. When the seedlings are up about 3 -4" tall, then I will separate them and plant them at proper spacing. They are also easy to germinate, since they are cool crop. Onion family seedlings are THE MOST transplant friendly thing that I know of. I usually sow a pack of seeds in a big flat ( ~ 10" x 20") and I get about 200 transplants. JMO |
This post was edited by seysonn on Fri, Jan 17, 14 at 6:45
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| You can't separate plants grown in rock wool since they quickly incorporate the wool cube right into the roots and base of the plant. One reason why onions and other root crops aren't commonly considered a rock wool crop since you have to sacrifice part of the edible root to get rid of the wool cube.. Are clusters bad? If you plan to harvest and use them as scallions, yes. If you don't care if they look like bulbs of garlic or shallots and are willing to sacrifice the immature ones attached around the core, fine. Dave |
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- Posted by jackblasto none (My Page) on Fri, Jan 17, 14 at 16:20
| Thanks for the info everyone. Very good to know. |
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