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Spring may be here soon. Let me show you a few tips as to what we are doing this year. Also we suggest you subscribe to the RSS feed, see the Home page. We use them a great deal now. First: I have had a few questions on my overwintering in pots. In the picture below I show the pots covered by leaves.
I have placed the plants in 6" pots and then the pots sit on planks on top of cinder blocks. Then I wrap them with plastic fencing and then fill it with leaves. I find pin oak laves last the best and provide maximum insulation. The purpose is not to keep them warm but to avoid the high temperature cycling that occurs if the pots were exposed. The high temperature cycling does the damage, not the freezing. Thus the leaf insulation provides adequate covering.
Second, how are the seedlings doing. I use a wooden work bench, temperature controlled heat pad, and grow lights to do the growing under. I also now use netting to keep my animal friends off. I have had squirrels and mice come in, the squirrels sleep on the seedlings and the mice eat them. This seems to work.
I keep the whole set on timer lights at 12 hours per day. In about two to three weeks I will take these outside in a green house and harden off in the sun for a month. Then in early April we place them on pots and begin the cycle.
Well we now know Spring is not too far away, our first snow drops are coming up.
H. coreana is an evergreen plant. Here we have even new growth after a fairly cold winter. This seems to be the first species to start leaf growth.
One of the things I have noticed is a few albino, no chlorophyll, plants.
Here we show the albino slowly dying off. I get about 0.5 to 1% albino seedlings every year. None survive.
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