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agrichemist
Psychonaut



Registered: 09/20/13
Posts: 4
Last seen: 8 years, 10 months
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Indoor tiny San Pedro's.
#18869841 - 09/20/13 09:57 PM (10 years, 4 months ago) |
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These are pictures of some new San Pedro's, I will refer to them simply as "cacti". I am new to this website, please forgive me for any mistakes I might make and provide me with any constructive criticism.
    
These cacti were planted about 2 months ago. The grower purchased 20 seeds from Ebay, the seller said the seeds were San Pedro cactus seeds. The seeds were planted on a 50/50 mixture of sand and "Cactus Potting Soil" (the grower does not remember the brand, but it is likely Miracle Grow), misted with lukewarm tap water, covered with plastic wrap, and placed on a window sill. The seeds were misted and re-wrapped at least once daily, and after the first couple weeks many cacti sprouted. The cacti were then uncovered and misted every 1-2 days. After the first month they all appeared to be dying. The grower proceeded to transplant the five surviving cacti into a substrate with much higher PH. Two cacti were placed into 100% organic worm castings. Two were placed into a 50/50 mix of the previous substrate and organic worm castings. The last cactus was placed into 100% compost as a control. The grower moved the cacti onto his desk and put them all under a cool white, mercury vapor, fluorescent desk lamp with two parallel tubes. He has been spraying them with 1/10th strength nitrogen fertilizer (Miracle Grow brand) almost every night before turning off the lamp. The cacti all seem to be growing steadily, but at varying rates. The grower thinks that the 100% worm casting substrate makes the cacti grow fastest, however the two cacti in that substrate are also under the center of the lamp and may be getting superior lighting. The grower believes that the cactus in the compost is growing slightly slower than the ones in the 100% worm casting substrate, and that the cacti that are in the mixture of worm castings and their previous substrate (which was 50/50 sand and "Cactus Potting Soil") are definitely growing much slower than the other three cacti. The cacti that are in the now 25% "Cactus Potting Soil" are about the same distance from the center of the lamp as the cactus in the compost is, yet the one in the compost is at least twice as big (the grower added a small amount of worm castings to top off the compost after seeing that the two in 100% worm castings were doing so well, thus contaminating the control cactus. I was slightly irritated by this.). The grower thinks that "Cactus Potting Soil" (suspected to be Miracle Grow brand but the grower really can't remember) is bad for growing cacti. He would like advise about how to speed up growth, and also would be comforted if a cactus expert were to confirm that the cacti are indeed San Pedro.
From left to right, 25% "Cactus Potting Soil", 25% "Cactus Potting Soil", 100% worm castings, 100% worm castings, compost(supposed to be a control).

Also a pic of the desk lamp's tube in case anyone is curious.

Please post replies with any questions or answers to questions, I will try to relay information to and from the grower promptly.
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karode13
Tāne Mahuta




Registered: 05/19/05
Posts: 15,290
Loc: LV-426
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Re: Indoor tiny San Pedro's. [Re: agrichemist]
#18869876 - 09/20/13 10:11 PM (10 years, 4 months ago) |
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Not bad for a first grow and welcome to the shroomery! 
Only real constructive critisism would be your pots are way to large for them but they seem to be happy so leave them be. Continue to do as you're doing and they should continue growing into mature plants.
I wouldn't worry about trying to speed up growth and all that Jazz just yet. You'll learn what works as you grow more.
As for identifying seedlings, I will leave that to the experts.
What I mean is, you cannot accurately identify seedlings of that age. People who do or think they can cannot and should not.
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agrichemist
Psychonaut



Registered: 09/20/13
Posts: 4
Last seen: 8 years, 10 months
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Re: Indoor tiny San Pedro's. [Re: karode13]
#18871577 - 09/21/13 10:55 AM (10 years, 4 months ago) |
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Thank you!
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ferrel_human
stone eater



Registered: 06/26/09
Posts: 16,318
Loc: Texas
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Re: Indoor tiny San Pedro's. [Re: karode13]
#18872071 - 09/21/13 01:03 PM (10 years, 4 months ago) |
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Quote:
karode13 said: Not bad for a first grow and welcome to the shroomery! 
Only real constructive critisism would be your pots are way to large for them but they seem to be happy so leave them be. Continue to do as you're doing and they should continue growing into mature plants.
I wouldn't worry about trying to speed up growth and all that Jazz just yet. You'll learn what works as you grow more.
As for identifying seedlings, I will leave that to the experts.
What I mean is, you cannot accurately identify seedlings of that age. People who do or think they can cannot and should not.
I think all columnar seedlings look the same. But dont take my word for it
-------------------- Nature is my church and walking through it is gospel. It tells no lies and reveals all to those who look, and listen, closely. -Karode
 Looking for Mimosa tenuiflora seeds. Buttons for trade
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Jimbolino
Tschakaboom



Registered: 12/03/11
Posts: 211
Loc: NL
Last seen: 8 months, 25 days
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The ones in the black soil look like my young bridgesii.
But the future will show what you really have so just enjoying growing your cacti
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