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Last photo before winter really sets in

#1 User is offline   matthew1381 

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Posted 06 June 2005 - 11:25 AM

The winter sun came out today and I took these photos of my Mammillaria
Hahniana, one of my first cactus plant in my collection.
Have seen this plant being available in Ikea when I was back in Singapore but could be quite a challenge to get it to flower under tropical conditions.

Enjoy the photos!!

http://i5.photobucket.com/albums/y152/Matthew1381/cacti/MammHahn1.jpg

http://i5.photobucket.com/albums/y152/Matthew1381/cacti/MammHahn2.jpg

regards,
matthew1381
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#2 User is offline   ladybird 

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Posted 06 June 2005 - 02:00 PM

Very cute, Matthew. How often do they bloom for you?
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#3 User is offline   matthew1381 

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Posted 06 June 2005 - 05:55 PM

Hi Mona,

Thks for the compliment.

Well like most cacti, they flower only once a year - although for this particular specie the flowers remain on for quite a long time ( approx 2/3 weeks) on the plant, compared with others whose flowering span is relatively much shorter.

Rgds :happy:
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#4 User is offline   wilson 

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Posted 23 June 2005 - 12:05 AM

Hi Matthew,

Any special conditions that cacti like yours require to bloom? Temperature, day length, etc?

It really intrigues me at times how cacti specialists like you can get them to bloom so beautifully...
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#5 User is offline   matthew1381 

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Posted 23 June 2005 - 11:01 AM

Hi Wilson,

I think overall its a matter of geographical location. I used to plant some cacti in Singapore the last time but they never flowered as well.

Cacti need a "wintering" period of rest - during that time of approx 2/3 months very very little water is added and the temperatures are much lower than normal. Cacti needs this rest period to develop/set blooms that will open up in spring.

If I am now in Singapore,with this new found experience, I would experiment by taking them indoors ( but with still sufficient light) for a period of time (1-2 months) and water only very little/sparingly to try to simulate the rest period and to see whether any buds start to form. In Europe I have read that they even keep their plants indoors in basements etc as it is sometimes too cold freezing conditions outside. They unpot and then wrap them in newspaper until spring!
I guess it would be safe to bring them into air-con conditions to simulate the "winter" type conditions to see whether it works.

So in short - wintering, - i.e. cold rest period, very little water.

Lets see what happens. Let me know how you go, - my wife and I will be returning to Singapore for 2 years to do N/S - ( my 3rd and last son will be going in)
:hammer: :hammer: :hammer:

and I will be then going cacti in Singapore again
:grin:

Best rgds
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