Haworthia Pumilla flower stalk offsetting

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Cactusgirl
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Haworthia Pumilla flower stalk offsetting

Post by Cactusgirl »

Hi I noticed that my Haworthia is growing offsets from its flower stem. Is this normal and if so should I cut them off and plant them as assuming that they will not survive otherwise? Thanks
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Last edited by Cactusgirl on Sun Sep 02, 2018 6:30 am, edited 1 time in total.
RICHAUD
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Re: Aloe flower spike

Post by RICHAUD »

Aloe or Gasteraloe ?
Cactusgirl
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Re: Aloe flower spike

Post by Cactusgirl »

Actually neither I just checked my label and it's a Haworthia Pumilla Royal Highness! I need to learn the difference!
Terry S.

Re: Haworthia Pumilla flower stalk offsetting

Post by Terry S. »

Which of course is an intergeneric hybrid and shouldn't have the Haworthia pumila on the label. It is usually regarded as a xGasterhaworthia but with the acceptance of Tulista this is possibly no longer correct. It is common for this cultivar to produce offsets from the flower stalk and it can be propagated from them.
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Re: Haworthia Pumilla flower stalk offsetting

Post by Christian »

Some say that Haworthia produce offsets when you cut back the flower stalk:

"Cut them off at about 10 cm height when the first 1 - 2 flowers only have opened. As a rule the uppermost bract will form a new rosette which can then be removed and treated as an offset." See: http://www.haworthia.info/en/cultivation.html

Does anybody have any experience of this way of propagating Haworthia? I tried this on numerous occasions - it has never worked for me.
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purzo
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Re: Haworthia Pumilla flower stalk offsetting

Post by purzo »

I had one on a H. reinwardtii last year which I left attached until earlier this year and is now doing well on its own roots. I've had no more since unfortunately.
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Cactusgirl
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Re: Haworthia Pumilla flower stalk offsetting

Post by Cactusgirl »

Thanks everyone for the advice. I will take the offsets off and have a go at growing them. With regard to the name of the plant, is it incorrectly labelled? I purchased it from the cactus mart earlier this year so would expect it to be more likely correct than say, a plant from a graden centre??
Terry S.

Re: Haworthia Pumilla flower stalk offsetting

Post by Terry S. »

I believe that the hybrid name xGastulista has been published, in which case an up-to-date label would read xGastulista 'Royal Highness'. At least the cultivar name remains consistent even with all of the generic reassignments that have gone on.
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Re: Haworthia Pumilla flower stalk offsetting

Post by Tony R »

Terry S. wrote: Tue Sep 04, 2018 8:17 am I believe that the hybrid name xGastulista has been published, in which case an up-to-date label would read xGastulista 'Royal Highness'. At least the cultivar name remains consistent even with all of the generic reassignments that have gone on.
I don't think the parents of this hybrid have every been published (?), so we don't know which haworthia or gasteria was actually involved.
See Rowley, NCSJ 1957, 12 (4), 74.

My preference would be to retain the only published name xGasterhaworthia 'Royal Highness'.

(As an aside, many of the xGastulista that Rowley named in 2014, should actually be xGastonialoe since he named Aloe variegata as Tulista variegata whist we now consider it as Gonialoe variegata!!)
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jfabiao
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Re: Haworthia Pumilla flower stalk offsetting

Post by jfabiao »

Christian wrote: Sun Sep 02, 2018 4:52 pm Some say that Haworthia produce offsets when you cut back the flower stalk:

"Cut them off at about 10 cm height when the first 1 - 2 flowers only have opened. As a rule the uppermost bract will form a new rosette which can then be removed and treated as an offset." See: http://www.haworthia.info/en/cultivation.html

Does anybody have any experience of this way of propagating Haworthia? I tried this on numerous occasions - it has never worked for me.
"As a rule" seems a bit too optimistic. It has happened to me randomly, in different plants and at different times on the flowering cycle, with or without cutting the stem.
Z

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