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Author Topic: Helianthus x kellermanii  (Read 1930 times)

mark smyth

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Helianthus x kellermanii
« on: October 30, 2010, 05:09:04 PM »
I have seeds of Helianthus x kellermanii if anyone wants to try this stunning clump forming, chocolate scented 3m+ sunflower. The flowers erupt from the top of the stems like a yellow firework
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Antrim, Northern Ireland Z8
www.snowdropinfo.com / www.marksgardenplants.com / www.saveourswifts.co.uk

When the swifts arrive empty the green house

All photos taken with a Canon 900T and 230

TheOnionMan

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Re: Helianthus x kellermanii
« Reply #1 on: October 30, 2010, 05:14:10 PM »
That's a GIANT! :o 

How do you know the flowers are scented, looks like you'd have to hang off the eaves of your house to catch a wiff ;D
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Mark McDonough
Massachusetts, USA (near the New Hampshire border)
USDA Zone 5
antennaria at aol.com

mark smyth

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Re: Helianthus x kellermanii
« Reply #2 on: October 30, 2010, 05:34:48 PM »
The wall is about 5 feet 1.5m.

High wind a couple of months back knocked the stems over allowing me to smell the flowers when they opened
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Antrim, Northern Ireland Z8
www.snowdropinfo.com / www.marksgardenplants.com / www.saveourswifts.co.uk

When the swifts arrive empty the green house

All photos taken with a Canon 900T and 230

Paul T

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Re: Helianthus x kellermanii
« Reply #3 on: November 08, 2010, 11:19:24 AM »
Holy dooley, Mark, that is one massive Helianthus!!  Is it perennial, or does it grow from seed to that in a single year?  It's amazing! :o
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Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.

mark smyth

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Re: Helianthus x kellermanii
« Reply #4 on: November 08, 2010, 12:28:45 PM »
Yes it's a perennial. I bought mine years ago as a flowering sized plant so dont know how long it will take.

Your message reminds me I havent sent out seeds. Would you like some? For such a large plant they are small
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Antrim, Northern Ireland Z8
www.snowdropinfo.com / www.marksgardenplants.com / www.saveourswifts.co.uk

When the swifts arrive empty the green house

All photos taken with a Canon 900T and 230

Paul T

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Re: Helianthus x kellermanii
« Reply #5 on: November 08, 2010, 09:58:21 PM »
Mark,

Thank you for the offer, but there is nowhere I could fit it I think.  :o  How tall does it actually get to?
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Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.

mark smyth

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Re: Helianthus x kellermanii
« Reply #6 on: November 08, 2010, 10:15:19 PM »
In a good year 10-12 feet / 3m-ish. This year it could only manage about 6 after being blown down
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Antrim, Northern Ireland Z8
www.snowdropinfo.com / www.marksgardenplants.com / www.saveourswifts.co.uk

When the swifts arrive empty the green house

All photos taken with a Canon 900T and 230

Paul T

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Re: Helianthus x kellermanii
« Reply #7 on: November 08, 2010, 10:34:33 PM »
Fascinating, Mark.  Definitely too big for my little garden though (says he who is growing tree dahlias, which make it well taller than that! ::))
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Cheers.

Paul T.
Canberra, Australia.
Min winter temp -8 or -9°C. Max summer temp 40°C. Thankfully, maybe once or twice a year only.

mark smyth

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Re: Helianthus x kellermanii
« Reply #8 on: March 07, 2011, 09:59:40 AM »
Sorry people I never sent out the seeds. If you would like seeds please pm me again. I cleared out my inbox recently

Does anyone in UK/Ireland want a tuber? They look like skinny Dahlia tubers.
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Antrim, Northern Ireland Z8
www.snowdropinfo.com / www.marksgardenplants.com / www.saveourswifts.co.uk

When the swifts arrive empty the green house

All photos taken with a Canon 900T and 230
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