Jack47 Fast 2026

BalconyBoy 20.04.26 the seeds have all germinated and are forming the first single-finger leaf pair. Happy four twenty!

BalconyBoy 26.04.26 Due to the mistake of removing the cover of the mini greenhouse too early, the seedlings experienced two days of unnecessary stress, but they are now developing normally again with the cover on. Such a shame. Without this action, they probably would have had another pair of leaves by now.

BalconyBoy 04.05.26 After the seedlings had just recovered from the removal of the lid of the mini greenhouse, they were already repotted into a mixture of equal parts seedling soil and the soil mix in which they are planned to be planted in mid-May. This repotting visibly stressed the seedlings. Some leaves or leaf tips have dried out in the process. To be honest, shortly after repotting, it looked like half of the seedlings wouldn't survive. However, so far, all of them have made it.

BalconyBoy 11.05.26 In the last week before the plants go outside, they are developing well. The first root tips can be seen at the bottom of the pots, the color of the leaves is a rich green, and the first shoots at the internodes are becoming active.

BalconyBoy 18.05.26 The plants have handled the repotting and the move to the balcony very well, despite currently still being 5 degrees Celsius at night. Daytime temperatures of up to 20 degrees are forecasted for the week. The soil in the 40l plant bags is now being used for the third time. Over the past two years, the mix of potting soil from Penny, coconut fiber, perlite, and compost has been enhanced with solid fertilizer from Greenhouse Feeding and Bavarian Krauts. This has worked well, but I had the slight feeling that there could be a bit more nutrients in there. In 2026, the soil has now been completely reworked with the following ingredients per 40l: 500g rock dust 250g italpollina (4-4-4) 400g charcoal dust (crushed charcoal) about 4l compost At the start of flowering, there will be the following topdressing: 105g italpollina (4-4-4) 60g Guano Kalong 15g potassium sulfate The ingredients for this season should last several years and hopefully deliver good results. Rock dust 10kg 12€ Potassium sulfate 5kg 14€ Italpollina 25kg 25€ Guano Kalong 3kg 30€

BalconyBoy 25.05.26 The sun is blasting this week with constant temperatures over 30 degrees, every plant has now been topped, which is already visibly expressed in a growth spurt of the side shoots. Compared to last year, the plants are still noticeably less branched, but at this current pace and weather, this backlog should be caught up soon. The plants seem more vigorous to me, which I attribute to the soil mix. A layer of clay pellets as evaporation protection on the substrate in each planting bag has already proven itself last year and also makes even watering easier. There is also a layer of clay pellets under the pots to avoid waterlogging.

BalconyBoy 01.06.26 Already after a week, I see a noticeably changed growth after the topping. The plants have visibly gained from the high temperatures of the last week and look just as vibrant. It was enough to water on Thursday evening and then not again until Monday after the weekend, since I wasn't home. The soil mix seems to hold moisture well in conjunction with the clay pebbles as evaporation protection. I still haven't reinstalled the irrigation system and yet there's little work. Let's see when it comes into play.

BalconyBoy 08.06.26 The plants continue to develop well and had more wind last week, but without any damage. Let's keep it going like this!

BalconyBoy 15.06.26 The Jack47 plants are also developing well and growing with stronger branching. They are a bit lighter than the Blueberry Pie, but show no signs of deficiency. When rubbing the stems with two fingers, the smell is noticeably weaker than with the Blueberry, but still distinctly lemony, spicy, and slightly incense-like.

BalconyBoy 22.06.26 The Jack47 Fast is also growing vigorously and brings me joy. No pests or deficiencies so far, and I hope it continues like this.

BalconyBoy On 29.06.26, with record temperatures consistently over 30 degrees, the plants are thirstier, and I'm currently watering 20 liters for all of them per day. This is rewarded with good growth. The plants also look healthy and lively. I'm noticing small bite marks on the lower leaves and have sprayed a preventive H2O2 solution. I hope that's enough for now and I'll keep an eye on it. The wind for the upcoming heat storms is also expected to stay around 25 km/h.

BalconyBoy 06.07.26 The heat storm has been well endured by all the plants, the temperatures have eased a bit, but even at 25 degrees, growth is continuing well. The water demand has decreased a bit, and apart from a single adult thrip, I haven't discovered or eliminated any pests. For safety, I've ordered a few bags of predatory mites and should receive and release them by the end of the week. I set up the automatic watering system over the weekend, but I'm still not completely satisfied and am tweaking the settings. Have a great week and continued success with your harvest, everyone!

BalconyBoy On July 13th, the tips of the shoots still don't show the transition to the flowering phase, unlike Blueberry Pie. In 2025, I applied the flowering fertilizer at the end of July; I think this year I'll do it a bit earlier and get to it during the week. The big plants also got bags with predatory mites against thrips last week, and despite the actually too low humidity, I don't see any new feeding spots or thrips. The automatic watering currently delivers 3 times for 2 minutes, which equals 3x2x700ml = 4.2l. 2x2 minutes (2.8l) wasn't enough with the temperatures. Thanks for stopping by, and have a great week everyone!

BalconyBoy 20.07.26 The temperatures have eased a bit, but it's still the best summer weather. Last week, I removed the shoots of the first two internodes on some branches in the lower third to reduce small stuff during the flowering phase. The feeding traces I see on the Hubbabubba Haze haven't spread there and haven't moved to the Jack47 either. Even though I've still seen 1-2 thrips, I'm optimistic that the predatory mites are doing their job. Most of the flowering fertilizer was mixed with soil and applied to the substrate. When covering the clay pebbles, I could already see that the plant bags are well-rooted. The plants should be happy about the new nutrients; the clay pebbles also perform well at high temperatures, keeping the surface of the substrate evenly moist. Topdressing 14.07.26 105g italpollina 60g Guano Kalong 15g Patent Kali Here's to a sunny week and happy growing!

BalconyBoy 27.07.26 For the first time in my homegrow career, I applied super cropping after watching a few videos on YouTube about it and consulting with Gemini to manage the height growth a bit. I expect vegetative growth at least until mid-August, and that's a problem because the balcony isn't getting any wider, and the ceiling of the balcony is getting closer to the tips of the shoots every day. The plants have handled the cropping well; I can see the bending points slowly hardening, and I'm also observing how individual fan leaves are gradually turning yellow in the inner and lower third of the plants. So far, I've felt it unnecessary to defoliate because the plants have always done that on their own in the past, and I only had to remove the yellow leaves. This year, I rule out that this effect is due to a lack of nutrients, as the plants are bursting with energy. I'm curious to see how the cropped branches perform in the end with flowers on them. There are still no pests in sight, but the proper transition into the flowering phase isn't happening yet with Jack47, except that there's now more growth at the internodes than at the main shoots. To wrap up, here's a picture of the balcony from the outside that illustrates the extent of the growth with the new nutrient mix; I think it’s really awesome, and even people parking their cars below can’t help but notice the beautiful bushes ☺️ Happy growing!

BalconyBoy 03.08.26 The Jack47 has branched out more now than continuing to grow upwards. There aren't enough pistils at the shoot tips yet for me to talk about a proper flowering phase, but soon. Another super cropping wasn't necessary, unlike with Blueberry Pie. I've now switched from citric acid to phosphoric acid because I hope to keep the pH value in the water tank stable longer (and avoid biofilm) during my absence, where the reservoir should last three or four days before being refilled. Happy growing everyone!

BalconyBoy 10.08.26 The watering with a timer is still working well, even with phosphoric acid instead of citric acid the pH value remains somewhat stable. I had hoped it would hold for several days, but unfortunately, that's not the case. At least no biofilm is forming anymore. I will still try using an air stone to see if it makes a difference, but I don't expect too much. The 5 days without daily care will all go well with the current system. The Jack47 plants are now showing at the shoot tips that we are in the flowering phase. I'm relieved that we are at this point now, even though height growth is not a concrete problem yet like with the Blueberry. The growth had already shifted from height to stronger branching and many shoots at the internodes before the pistils appeared. I'm relieved that it's not too late for the flowering to start now. Have a great week everyone and happy growing!