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My Scandinavian Cacti Growing


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#1 tersor

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Posted 01 April 2010 - 10:03 AM

Hi! This is my first thread/post and i want to say my english isnt that good.

October 2008 i plantet 10 Lophophora williamsii seeds and 4 of the seeds germinated. During winter, oktober-april, the temperature can drop as low as minus 30 degrees celcius and we have daylight for just about 6-8 hours. During summer, april-september, temperature can reach 30 degrees in the shade and daylight lasts for aprox 16 hours.

Any mescalin containing cacti is illegal here, but i have ordered some seeds witch have ended up in the mailbox with success three times now. I don't think I gonna order more seeds, cause im affraid that if they get noticed in the mail the police will show up and look for cactis in my home.

To sterelise I poured boiling water ower the earth in the pot with a good earth mix. Later on i have found out that by pouring boiling water ower the earth the nutritions might get washed out. This is not good so i have startet to use the microwave to sterelise earth. After the earth got to room temperature i covered it with 10 Lophophora williamsii seeds witch i gently pressed a little bit down in the earth. I covered the pot with plastic and put it under a 18w floursecent lightstick? witch i had turned on from i woke up to i got to bed for about half a year. 18w is poor light to use, i know that, but i just wanted to try for fun with what ecuiptment i havd.

This is how they look now. I had them some hours outside last summer, in the shade. They liked this wery much, but the two smallest ones seems not to be groing. They had a red/brown like colour last year, something made them sick. It's either the lightconditions or something with the watering.
cacti.jpg
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They havent grown that much, the biggest is about 2cm in diameter. I think I maybe let the roots dry out when they where to ung ore something. Is there hope for them?

Since 2008 i have gotten a coupple of Trichocereus pachanoi seeds to sprout, about 10+ more Lophophora williamsii seeds to sprout and 6 Trichocereus bridgesii. I have about 50% of the williamsii seeds sprouting, and 20-30% success with the other seeds. I allso tried 10 Trichocereus peruvianus seeds and 10 Trichocereus terscheckii seeds with no success.

Today I have just rigged all the pots to fit in the southside window. They are all just over half a year old, exept for the 4 Lophophora williamsii's. Summer is just around the corner and i know i have to be careful not letting the sun burn the seedlings. But afterall, its a scandinavian summer, so i think they will be ok as long as i give them some shade using a plastic bag in front of the window etc.
cacti3.jpg
cacti4.jpg
cacti5.jpg
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The half year old cactis havent gotten enough light, therefore i have placed them in the window to see if they like it. A coupple of the bridgesii's has a grey-like colour. I have 6 small plastic pots with cactis. I will repot them to claypots when they are a bit bigger. I have wery good draining in my pots.

So, what u all think? Will my small cactis ever gro big? Any hints and tips for growing like this in scandinavia?

6 days ago i seeded 20 williamsii and 40 bridgesii seeds
cacti6.jpg
Now it's april and the night temperature only drops to about 17 degrees and day temperature reaches 26-27 degrees celcius. I use heatmaths that i once used to ceep my centipedes happy:) I think winter is the best time to seed here. Then the night temperature in the terrarium easily drops to about 10 degrees and i can get the daytemperature to reach 25+ degrees. Temperaturechanges like this seems to make many more seeds sprout.

I have a 250w hps-lamp that i havent bothered put up. Since im 20 years old and just moved back to my parents i will not exaggerate my enthusiasm for this hobby as it would seem more suspicious than it allready does. My parents has no clue that cactis can contain anything mindaltering at all. I'm lucky that i can use the the window in the second floor for my growing as long as they live in this house:)

Edited by tersor, 01 April 2010 - 11:57 AM.

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#2 waylitjim

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Posted 01 April 2010 - 10:08 AM

Please upload the pics here instead.

http://mycotopia.net...-dont-link.html

#3 Renz

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Posted 01 April 2010 - 10:47 AM

they should love the bright indirect light on your window.
Nice photos, they look good :cacti:
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#4 Tripp

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Posted 01 April 2010 - 10:57 AM

Nice work! And nice collection :)
Also, welcome!

#5 plantman21

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Posted 01 April 2010 - 11:15 AM

They look happy!

:cacti:Welcome:cacti:

May you learn much while you're here.:hippie:


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#6 ou3308

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Posted 01 April 2010 - 11:16 AM

Humidity dome looking good. All seems well with your beautiful little babies. It's like growing cacti on the N.Pole!! It might take many years but you will be rewarded in many ways. Keep us posted and keep the seeds a flowin.

#7 copelandiaKidd

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Posted 01 April 2010 - 11:47 AM

Ready to see some puppage as well!!!! those all look so Happy. I love the View, They Surely do too!!!!!

#8 tersor

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Posted 01 April 2010 - 12:11 PM

Thanx for all the nice comments, makes me happy. It's cool to show other enthusiasts my cactis. Happy to hear they look healthy!!! Gotta be careful keeping them healthy, specially now when they are so young.

I will ceep u all updatet, post pictures and I will tell you how it goes with the seeds in the humidity dome (thanx for learning me the name of it).

Edited by tersor, 01 April 2010 - 12:28 PM.


#9 tersor

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Posted 02 April 2010 - 06:51 AM

I was wondering about something:

I have read alot on internet how to grow cacti, but in an humidity dome i have read different things about what to do. Some opens it up everyday leting fresh air in and they also wipes off all the water that gathers inside the dome. I have done this some days now, but two days ago i read about a guy who ses he dont take off the plastic on his pots for half a year. And he said it had to be really moist in there.

What shall i do? Open the dome everyday, letting fresh air in and wipe off the water? Or shall i just let all the humidity stay in there until seeds have germinatet?

It's high humidity in there now
cacti8.jpg

#10 ou3308

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Posted 02 April 2010 - 11:04 AM

I was wondering about something:

I have read alot on internet how to grow cacti, but in an humidity dome i have read different things about what to do. Some opens it up everyday leting fresh air in and they also wipes off all the water that gathers inside the dome. I have done this some days now, but two days ago i read about a guy who ses he dont take off the plastic on his pots for half a year. And he said it had to be really moist in there.

What shall i do? Open the dome everyday, letting fresh air in and wipe off the water? Or shall i just let all the humidity stay in there until seeds have germinatet?

It's high humidity in there now
cacti8.jpg


I would have a few small holes for limited air exchange to prevent rot. Or you can seal it tight but just take the lid off once a day for a couple seconds. No need to wipe off. I would spray the inside dome with mist every day when I take it off. Should germinate all within a few weeks. Have to have some type of air exchange every day though for best results.

#11 tersor

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Posted 02 April 2010 - 01:01 PM

Ok, gave them some freshe air earlier today and poked 10 small holes in the dome. Used a nail.

Took alok in the pots to see if i could see if anything had happened, but all the seeds i could see hadn't start to sprout.

I'm actually wondering about placing the dome ontop of some boxes below the same window as the other ones. Here they will get natural light from morning to evening, and i will try to be careful not leting the sun burn them. But it will be hard for me to control the temperature.

#12 Teonanacatl38

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Posted 02 April 2010 - 01:39 PM

Awesome job terser :headbang:

I wouldn't sweat the tiny stuff. Cacti are pretty tough.

When I started growing my lophs, i just sewed the seeds in a normal terracotta pot, and used one of those circular, clear plastic drainage trays that you would normally use on the underside of the pot, on the top.

This simple method has seemed to work really well. It's not so tight that it can't breathe, yet it retains moisture really well. Simplicity is often the best route...no matter what your dealing with ;)

Like I said....awesome job on the grow brother.

Cant wait to see more :pirate:

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Edited by Teonanacatl38, 02 April 2010 - 01:46 PM.


#13 tersor

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Posted 02 April 2010 - 01:59 PM

Teonanacatl*38 nice collection!

#14 Burger

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Posted 02 April 2010 - 08:29 PM

two days ago i read about a guy who ses he dont take off the plastic on his pots for half a year. And he said it had to be really moist in there.


Hi tersor, welcome to mycotopia.

That was probably me you are talking about.

I keep my containers unopened for the first 5-6 months. The important thing with this method is sterility.

I half fill my containers with coarse sharp sand with NO soil or organic matter. Fungal infections and bacteria are alot less likely to grow on sand.

I thoroughly moisten the sand in each container with half strength all-purpose nutes, then sterilise in the microwave for a few minutes for each container with the lid on loosely.

Once the containers are sterilised and cooled to room temp, I sew the seeds then give a good misting with a fungicide before replacing the lids tightly.

They are then placed on a heatmat under fluorescent lights where all the humidity is miantained within the container.

The containers can then be left untouched until the seedlings are large enough to begin hardening off.

What shall i do? Open the dome everyday, letting fresh air in and wipe off the water? Or shall i just let all the humidity stay in there until seeds have germinatet?

It's high humidity in there now
cacti8.jpg


Personally, I would leave it sealed to preserve humidity and a more stable temp, especially while waiting for germination. Fresh air exchange is not required at this stage, there is plenty of air in that dome.

Just keep an eye out for fungal infection and spray the cacti seedlings and soil surface with fungicide if required. Fresh air and less humidity can be slowly introduced to harden the seedlings off when they are large enough.

Goodluck! :)

Edited by Burger, 02 April 2010 - 08:36 PM.


#15 tersor

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Posted 03 April 2010 - 07:09 AM

Ok, thanks Burger. Maybe it was you:) I can learn much from you i can see.

Planning on getting myselfe a Opuntia and a Pereskiopsis so i can try grafting some time too. Looks so cool. Think i gonna wait until next spring before grafting anything. Just ordered 6 liters of good looking vermiculite, as i have understood it's nice to cover the earth with, maybe mix a little into the earth and nice to place degrafted williamsii's on top to get rootgrowth.

It's now 8 days since i seeded the 20 williamsii's and 40 brigesii's. Don't know if i'm too unpatient, but i'm starting to think i did something wrong with this "batch". I don't remember how long the other batches used to germinate, but i think i could see the first germinating seeds after as low as a coupple of days. Now it has taken 8 days and still no sign of action.

I'm asking myselfe; was the earth to wet to begin with? Was the earth really gotten to roomtemperature when i sprinkled the seeds? Was it not enough switching on the light as i woke up and turning it of when i got to bed? Isn't it enought that night temperature only drops to about 17 degrees celcius? Did i get too old seeds? Do they just need more time? - Time will show, but if they all fail i wont know the exact cause.

I placed the dome below the window yesterday, with a heatmat. I'm monetoring the temperature.
cacti10.jpg

Now its 24 degrees celcius in the dome, it was 17 this night. The sun bearly touch the dome when the sun is at it's highest, but it gets plenty of indirect sunlight the whole day. The thermometer beside the williamsii's from 2008 showed that it was 30 degrees celcius in the sun 10 minutes ago. Bet that it will show 50 degrees some days in Jun-July, so the seedlings and the williamssi's gonna get a hot summer if i let them stay where they are now. Just hope they like it. Think they will handle it?

Edit: 3 of the seeds in the dome has germinated, 57 more to go:)

Edited by tersor, 03 April 2010 - 11:17 AM.


#16 tersor

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Posted 07 April 2010 - 12:25 PM

Anyone have tips for a fungicide brand? And how much do you guys use?

I can see that on top of the earth in a coupple of plasticpots there is something that looks like thin coating of sugar. Like that on the serial, Frosties. I hope not, but suspect that this is some kind of fungus. F%@k!!

#17 MagikF

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Posted 07 April 2010 - 12:26 PM

Chinsol works pretty well.

#18 tersor

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Posted 07 April 2010 - 01:42 PM

Ok. Thanx. Bet chinsol isn't called the same over here. Wonder how many brands and words i've had hard time to find out what is called over here:)

#19 MagikF

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Posted 07 April 2010 - 01:55 PM

It actually is called Chinsol as I know a vendor in the UK that sells it.

#20 tersor

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Posted 08 April 2010 - 07:57 AM

The flowershop didnt have any chinsol. I'm waiting to see it its actually fungus that grow, cause i think its 50/50 chance that it is fungus or some minerals that comes to the top from me bottomwatering the pots. I really dont know, but as i said, it kinda look like the sugar coating on Frosties.

If anyone wonders how the dome goes, i have 22 sprouts:)




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