Ask a Question forum: size of container for sunflowers

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Name: david sevitt
jerusalem israel
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davidsevit
Jun 17, 2015 3:56 AM CST
i have two sunflowers in a 5 litre bucket......
if i transfer.......how?
or make many slots in the side of the bucket....
but then is a 15 litre container good enough?
i have two options
1.fat and low
2.narrow and deep

they are now 20 c"m high
should they be separated.....
or anything to do with touching the roots can damage the plants?
another option is to cut off the bottom of the container and plant in a narrow container keeping the plants in their old container/
david sevitt
Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Jun 17, 2015 7:43 AM CST
They definitely will need a larger container.
I would go for the narrow and deeper one.
Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
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Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
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dyzzypyxxy
Jun 17, 2015 9:16 AM CST
David, do you know what kind they are? It really depends upon the variety of sunflower, as they vary in height from less than a meter to over 4m. tall at maturity. But if they are any type that make very large, heavy flowers that you will get seeds from even a large container will be blowing over at the slightest gust of wind unless you can tie them to a support - a fence or a large post of some kind. If you can find a spot, I'd advise putting them in the ground.

Here is my sunflower experiment from this spring.
Thumb of 2015-06-17/dyzzypyxxy/8e719c Thumb of 2015-06-17/dyzzypyxxy/dfeb81
This variety was supposed to max out at less than 2m. high but they grew to well over that (the metal bird feeder is over 2m. high). I pinched the growing tip out of the one in the second picture to try to make it branch and not grow so tall, but that didn't work, it kept growing and just made more, smaller flowers.

Now that the flower heads are getting heavy with seeds I can't keep them standing up even though they are planted in the ground.


Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: david sevitt
jerusalem israel
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davidsevit
Jun 17, 2015 9:22 AM CST
CarolineScott said:They definitely will need a larger container.
I would go for the narrow and deeper one.


Thanks i will do that
Name: david sevitt
jerusalem israel
Image
davidsevit
Jun 17, 2015 9:27 AM CST
[quote="dyzzypyxxy"]David, do you know what kind they are? It really depends upon the variety of sunflower, as they vary in height from less than a meter to over 4m. tall at maturity. But if they are any type that make very large, heavy flowers that you will get seeds from even a large container will be blowing over at the slightest gust of wind unless you can tie them to a support - a fence or a large post of some kind. If you can find a spot, I'd advise putting them in the ground.

Here is my sunflower experiment from this spring.
Thumb of 2015-06-17/dyzzypyxxy/8e719c Thumb of 2015-06-17/dyzzypyxxy/dfeb81
This variety was supposed to max out at less than 2m. high but they grew to well over that (the metal bird feeder is over 2m. high). I pinched the growing tip out of the one in the second picture to try to make it branch and not grow so tall, but that didn't work, it kept growing and just made more, smaller flowers.

Now that the flower heads are getting heavy with seeds I can't keep them standing up even though they are planted in the ground.

Thanks i am not sure about the size. My future aim is to gtow a huge one like 2 meters high. What about seperatingthem now at 20 c"m high
[/quThanksote]

Name: david sevitt
jerusalem israel
Image
davidsevit
Jun 17, 2015 9:31 AM CST
dyzzypyxxy said:David, do you know what kind they are? It really depends upon the variety of sunflower, as they vary in height from less than a meter to over 4m. tall at maturity. But if they are any type that make very large, heavy flowers that you will get seeds from even a large container will be blowing over at the slightest gust of wind unless you can tie them to a support - a fence or a large post of some kind. If you can find a spot, I'd advise putting them in the ground.

Here is my sunflower experiment from this spring.
Thumb of 2015-06-17/dyzzypyxxy/8e719c Thumb of 2015-06-17/dyzzypyxxy/dfeb81
This variety was supposed to max out at less than 2m. high but they grew to well over that (the metal bird feeder is over 2m. high). I pinched the growing tip out of the one in the second picture to try to make it branch and not grow so tall, but that didn't work, it kept growing and just made more, smaller flowers.

Now that the flower heads are getting heavy with seeds I can't keep them standing up even though they are planted in the ground.



Beautiful colors
Name: Elaine
South Sarasota, Florida (Zone 9b)
The one constant in life is change
Cat Lover Master Gardener: Florida Tropicals Multi-Region Gardener Vegetable Grower Region: Florida
Herbs Orchids Birds Garden Ideas: Level 2 Garden Sages Celebrating Gardening: 2015
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dyzzypyxxy
Jun 17, 2015 2:05 PM CST
Yes, you should absolutely separate them, and soon. You won't believe how fast they grow once they start going up! If you wait too long the two plants will have their roots entwined.

I recalled reading an article about a type of sunflower called "Mammoth" and the tallest one that person grew got to 18ft. or nearly 6m. tall. So yes, they get really huge.
Elaine

"Success is stumbling from failure to failure with no loss of enthusiasm." –Winston Churchill
Name: david sevitt
jerusalem israel
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davidsevit
Jun 18, 2015 1:20 AM CST
i found yesterday the packet of seeds ......they are small in height...anyhow i will transfer them

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