I germinated this Blueberry about 10 days ago. The seedling grew to the below form under a makeshift humidity dome and has stopped growing since. It has been about 7 days I haven’t seen the leaves grow even a millimeter bigger. It doesn’t look damped off either. I could be wrong.
It’s summer time here. I had placed it near a window sill where the sun shines bright and gets pretty warm. It did fine for the first few days and then suddenly clammed up the next day. I assumed it was either me over-watering or a case of excess light/heat. So I brought it into a room and put it under a T-bulb LED. In 48 hours, the seedling unclammed itself and went to its normal posture. However, still no new growth or change in size.
Medium: Using a self mixed seed starter mix that has 45% Coco, 45% perlite, 10% earth worm castings.
Color: The 2 true leaves look pretty green to me. I don’t think it’s lack of N.
Water: I watered the post before germinating. Since germination, I give it about 3 to 4 sprays and under the humidity dome once a day or whenever it goes dry.
Does anyone have any idea what’s happening? What do you suggest I do?
It’s probably at least partly genetics. I’ve had this happen a few times, most recently with one plant in my current linup - it stayed like that for almost 3 weeks. Just give it time and do not overwater at such a young age.
3 weeks without growth is bonkers. I guess I’ll just wait and let the plant do the talking. She seems healthy and happy as of now. Just no growth. The suspense is killing me though as I have room for only one plant in my grow space.
Yeah, damn it’s a runt. I find runts tend to be really awesome when they finally snap out of it though. In the meantime, foliar spray it with a mild solution of whatever you have. When the plant is young it gets most of its nutrients from the leaves, particularly the cotelydon, since its root system is not established. You can help that along with some spraying. Also, be sure your VPD is in check, as that dictates how open the stomata pores on the underside of leaves will be, allowing it to drink the sprayed nutrients.
Could be a dud, how far is your light source looks a little leggy (stretching). If it were damping off the stem would start getting thinned out and falling over.
Truer words have never been spoken. I had a runt two runs back I almost tossed because I’m usually a survival of the fittest in my garden type but it was the only one I had left from a buddy so I let it catch up(it took forever). Ended up being the fan favorite from all I gave to from that entire run.
I have some seaweed extract liquid concentrate that I can mix up and spray. I could also spray some EWC and compost tea I have brewing for biochar inoculation. But I’m afraid it would look like I’m overcompensating and end up burning the seedling with feed this early in the grow.
Seaweed is great for seedlings as it contains gibberellins and a wide array of nutrients. Just dilute it sufficiently and get the underside of the leaves too.
So you went from the sun to a 12w flowering bulb? What’s exact temp and humidity? Could be stalled out and unfortunately prob goner but can wait it out. You say almost a week with no growth? My advice pop more seeds if you got them bc no point in wasting time. My motto is to always have a few backup plants going
Could also be caused by the way the seeds were treated. I once had a seedling that stayed like that for over a month. The well known ‘breeder’ kept insisting I had done something wrong. Only later admitted they had laid on a dresser for years.
It might be just trying to develop a root system. It looks healthy to me. I bet it’s going to really start taking off at some point, unless it’s an auto. I tend to kill autos that fail thrive after all of the dwarves I’ve grown.
Yes. I ran a full grow with these 3000k LEDs last year. I’m reusing the same equip.
Temps between 77 ~ 85F. RH where I live is 30% during day and higher in the night. To compensate for the low humidity, I use a dome. Sadly, I do not have any equipment to control RH / temps.
Hmm. This Blueberry is from Dutch Passion. I ran the same seed last year and the seedling (but much bigger than this) had a slow growth, but that was because of my mistakes of not feeding the plant on time and well enough.