I have been growing a variety of chili peppers for a few years now, and the most of summers 2015 and 2016 were spent building and then testing the Juliana greenhouse that we use for extending the warm season here in Finland. This year however, April was the coldest in record, and there was no point in taking plants outdoors, when it would had just meant having the electric heater working around the clock (which means: expensive chilies!) Now, at the end of May, it finally looks like the unseasonal snow storms could be behind us (knocking on wood…) and this weekend has been the one when the greenhouse has been set up for business, most of the chilies have moved into bigger pots, while there has been also plenty of other work going on in our garden.
As I wrote earlier, I tried out the simple Ikea hydroponic system in germination and sapling phases. The early steps worked very well, and it seems that for indoor chili growing the setup is good for these first steps. However (partially due to the deferred Spring), I kept the saplings too long in the hydroponic setup – if large plants like chilies are grown in hydroponic manner, it needs to have a water pump installed, that keeps the nutritious water flowing over the roots, rather than just soaking them. I did not have the pump, and ended up in troubles, with growth of some plants suffering, and even losing a couple of important chili varieties. I moved the remaining plants into soil and pots in early April, if I remember correctly, but I should had done that much earlier. The growth was strong after the move, even while growing plants had to get along on the windowsill, without any extra plant lights from that onwards.
Luckily, there was the school yard sale in the local Messukylä school, where again hundreds of plants, dozens of chilies included, were available, so I could supplement my selection. I lost all my Aji varieties, and both of my extra hot varieties, “7 pot Brain Strain Yellow” and the Bhut Jolokia. But from the school sale I managed to get both a new Bhut Jolokia, as well as a Moruga Scorpion – both traditionally top of the line, as long as heat is measured. And there were also a couple of interesting habanero varieties that I picked up, as well as something that was called “Jalapeno Hot”. I have only tried rather mild japapenos so far, so it is interesting to see how that will turn out.
Here are some photos from the chilies at this point, 21st May: the school yard saplings are much smaller than the ones that I had grown in hydroponics and then in pots starting in January. The “Naga” (Bhut Jolokia) is particularly small, hopefully it will survive the move into a larger pot, it does not have particularly strong roots yet.
Talking about roots, I try this time using a specific commercial nutritient, Biobizz “Root Juice”: it is an organic “root stimulator” designed to boost root growth. As I had a gift voucher to a local chili gardeners’ store (thanks, Gamelab colleagues!), I have now also other nutritients to try – sticking to Biobizz products, per shopkeeper’s advice in soil based chili cultivation.
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