How many seeds to get a nice full vine plant?

blushing_susie(5)February 18, 2014

Hi! I have a few questions about growing vines. I have tried to find answers online and can't seem to find what I'm looking for.
Q#1: I love the photos of the bushy-looking vines growing on obelisks or up out of containers, and I was wondering how many seeds I would need to get a nice bushy-looking plant?
I am ordering some black-eyed susan vine seeds and they only come with 10 seeds in the pack. Will that be enough to produce a good-sized plant?

Q#2: I have other vine seeds (morning glories and sweet peas), and I was wondering what types of support they will need. For instance, I have an old antenna pole on the side of our house...would that be too thick for the vines to wrap around? How thick of a pole is TOO thick? (I'm only growing the flowering vines that wrap around things, not the ivy-type vines that stick to the sides of things).

Q#3: My sweet pea seed pack says it can grow up to 15 feet. If I plant it on a trellis/obelisk that is only, say, 4 feet, would it just tumble down and start wrapping around itself?

Thanks to anyone who takes the time to read and answer!

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gerris2

Morning glort supports can be as thin as stiff baling wire and as thick as maybe an inch. I have no experience with the other plants.

    Bookmark   February 19, 2014 at 6:17AM
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blushing_susie(5)

Thanks!
Do you know how many seeds I would have to plant to get a nice bushy-looking plant? Could a shepherd's hook like the ones for hanging baskets on be a good support?

    Bookmark   February 20, 2014 at 7:00PM
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gerris2

It depends on which species and variety you plan to grow to be able to answer this question. Which morning glory variety do you have? On the shepherd's hook, you might have a better presentation of flowers using the sweetpea vines. Try 3 seeds and see how it goes. Experience is the best teacher.

    Bookmark   February 20, 2014 at 8:29PM
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blushing_susie(5)

Thanks gerris2. Here are the vine varieties I have seeds of:

-Morning Glory "Heavenly Blue"; "Milky Way"; and "Old Glory Mix"
-Moonflower "Giant White"
-Sweet Pea "Burpee's Galaxy Mix"

I also want to buy some Black Eyed Susan Vine seeds.

    Bookmark   February 20, 2014 at 9:48PM
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kayjones(Mo6b)

Realize that the moonflower vine will grow into a massive vine. The sweet pea vines will be covered by it. I imagine the morning glory vines will grow through the moonflower vine, but the peas won't. The b.e.s. vine is also a small vine and will most likely not do well with the moonflower vine.

    Bookmark   February 23, 2014 at 9:03PM
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floral_uk z.8/9 SW UK

Sweet peas are insubstantial vines and I have never seen one row to 15 feet unless grown as a single stem cordon in very rich soil. Although the flowers are beautiful the vine itself is unimpressive. It climbs by tendrils so needs something thin to twine on. To keep the flowers coming you need to pick the flowers or dead head regularly. In the UK they are often grown in the vegetable garden for cut flowers because the plants are not much to look at. I grow three plants per stick or cane in a 5 - 6 cane wigwam. Even in our climate they are scruffy by late summer and in hotter places I believe they fizzle out even earlier.

    Bookmark   February 24, 2014 at 6:02AM
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blushing_susie(5)

Hi kayjones and floral_uk. Thanks for your replies!

kayjones- Do you know whether the moonflower vines would grow in a partial shade area? I have an arbor that gets good morning light but it is shaded later in the day. I will probably grow it without any other vines.

floral_uk- Would growing more than one packet of sweet pea seeds together grow a nicer display? I would hate to just have a few scraggly vines. Would planting more seeds together result in fewer blooms?

    Bookmark   February 24, 2014 at 10:15AM
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blushing_susie(5)

Can anyone answer my questions?

    Bookmark   March 21, 2014 at 12:43PM
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floral_uk z.8/9 SW UK

Hi again - clearly the more seeds you sow for sweet peas the more plants you'll get and the more flowers. You can grow them quite close together - a few inches for ordinary garden use. For show use they are treated much more carefully. Also you should pinch out the growing tips when they a few inches high to get several stems. otherwise they will usually just put up one single stem. I don't know where you live but here I would have sown them back in January indoors to get substantial plants to plant out.

Here is a link that might be useful: National Sweet Pea Society website.

    Bookmark   March 21, 2014 at 1:47PM
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blushing_susie(5)

Hi again floral_uk.
I live in zone 5 in the US. I have been reading up on sweet peas and I have read that they get pretty scraggly and don't bloom very long at all. But I'm guessing there are many factors that go into that, such as how much sun/water they are getting, what zone it is, etc...pretty much the same as with any plant. Growing vines is all new to me so I will consider this an experiment and hopefully I will learn a few things along the way.
I have been wondering if I should start the sweet peas indoors. I just started my Moonflowers and will also be starting morning glories indoors. Thanks very much for all of your help!

    Bookmark   March 21, 2014 at 3:06PM
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boncrow66

I would say the more seeds you plant the more vines and flowers bur I think you have to experiment. My dad had a b-e-s vine and it really took off and was blooming all the time. I think he planted a whole pack of seeds.

    Bookmark   March 24, 2014 at 3:05PM
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blushing_susie(5)

boncrow66,
I was thinking the same thing. Since this is the first year I'm planting vines, I will just take it as a learning experience.
My husband bought a big arbor for the front yard and I want it totally covered in flowery vines. It would look pretty pathetic with just a few scraggly-looking vines on it!
I hope the black eyed susan vines look as nice as they do in all the photos I've seen! I guess a lot of that depends on me, though!

    Bookmark   March 27, 2014 at 9:14AM
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