It Can Be Fun To Breed Your Own Zinnias

By ZenMan
April 6, 2015

As you already know, zinnias are easy to grow, and they come in a wide variety of colors, sizes, shapes, and descriptions. But did you also know that zinnias offer you an easy entry into the hobby of plant breeding?

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Apr 6, 2015 4:42 PM CST
Thread OP
Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
Frugal Gardener Garden Procrastinator I helped beta test the first seed swap Plant and/or Seed Trader Seed Starter Region: Pacific Northwest
Photo Contest Winner: 2014 Avid Green Pages Reviewer Garden Ideas: Master Level Garden Sages I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database.
Hi, ZenMan! Good to see you in ATP.

Your trick that I admire most is getting two or more generations per year by growing one crop of Zinnias indoors, and also by using (if I understood correctly) immature embryos from very early (immature?) seeds.

I wish you had copied the picture of the Zinnia that I thought looked like an explosion in a paint factory!
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Apr 6, 2015 6:22 PM CST
Name: Lynn
Oregon City, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
I would love to see that one Rick and ZenMan. Sounds so interesting.
And I never thought about crossing zinnias.
Avatar for ZenMan
Apr 6, 2015 7:21 PM CST
Name: ZenMan
Kansas (Zone 5b)
Kansas 5b
Annuals Enjoys or suffers cold winters Region: United States of America Seed Starter Keeper of Poultry Hybridizer
Hummingbirder Dragonflies Garden Photography Butterflies Zinnias Garden Ideas: Level 2
OK, Rick and Lynn,

Here is a picture of that "Explosion in a Paint Factory" zinnia. Remember, you can see a larger version of ATP pictures by clicking on them. And the F11 key will remove your browser's heading materials, giving you an "uncluttered" view of the image. After viewing, click the F11 key to get your browser heading material back.

Thumb of 2015-04-07/ZenMan/787d4c

That zinnia was produced from a hybrid between a Whirligig recombinant (which contributed the multiple colors per petal or petalloid) and a scabiosa flowered recombinant (which contributed the petalloids in the central portion of the bloom). I suppose at some time in the future I will return to that "recipe" to see what kind of weird strain of zinnias I can get. Come to think of it, any of you could combine the same "raw ingredients". No telling what you might get.

Rick, those frogs never cease to "crack me up". Hilarious!
Lynn, I'm afraid we're going to have to see your ID card. You may be below the minimum age. Rolling my eyes.

ZM
I tip my hat to you.
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Apr 6, 2015 7:27 PM CST
Thread OP
Name: Rick Corey
Everett WA 98204 (Zone 8a)
Sunset Zone 5. Koppen Csb. Eco 2f
Frugal Gardener Garden Procrastinator I helped beta test the first seed swap Plant and/or Seed Trader Seed Starter Region: Pacific Northwest
Photo Contest Winner: 2014 Avid Green Pages Reviewer Garden Ideas: Master Level Garden Sages I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database.
Thanks, ZM. Every time, I love it. This time I see more speckles and texture than I did before.

And it always looks like the petals are filaments of paint shooting out of the explosion.

Glad you like the tree-frog / zinnia hybrid. Talk about transgenic DNA!
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Apr 6, 2015 7:28 PM CST
Name: Lynn
Oregon City, OR (Zone 8b)
Charter ATP Member Garden Sages I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar I was one of the first 300 contributors to the plant database! Plant Database Moderator
Forum moderator I helped beta test the first seed swap Million Pollinator Garden Challenge Celebrating Gardening: 2015 Plant and/or Seed Trader Garden Ideas: Master Level
I won't tell my mom that I was looking at this amazing and odd zinnia. Whistling
Wow, some of the colors look to be iridescent. Thank you for the photo ZM.
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Apr 17, 2015 11:18 AM CST

Thank You! willing to try this idea
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Apr 17, 2015 5:59 PM CST

Thank You! willing to try this idea
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Jul 5, 2015 4:59 AM CST
Name: Judy
Simpsonville SC (Zone 7b)
Peonies Plant and/or Seed Trader I helped beta test the first seed swap Celebrating Gardening: 2015 Garden Ideas: Level 1
So I have been growing a lot of zinnias but my saved seeds didn't germinate. I'm going to try again with different varieties. The most beautiful zinnias I have in my yard right now are zowie, which is a hybrid. I'm going to try saving seeds and see what I get. With several different varieties I may get some interesting crosses. Any tips for saving seeds?
Avatar for ZenMan
Jul 5, 2015 12:59 PM CST
Name: ZenMan
Kansas (Zone 5b)
Kansas 5b
Annuals Enjoys or suffers cold winters Region: United States of America Seed Starter Keeper of Poultry Hybridizer
Hummingbirder Dragonflies Garden Photography Butterflies Zinnias Garden Ideas: Level 2
Hi Judy, Welcome!

Zowie zinnias are a great one for butterflies and hummingbirds, because they have so many pollen florets which bear the nectar that butterflies, hummingbirds and bees desire. I am personally not a fan of Zowie because it does have that tall central cone that bears the many pollen florets.

"With several different varieties I may get some interesting crosses."

You can guarantee interesting crosses if you "be the bee" and do the cross pollination yourself. It is quite easy to do and requires only a pair of tweezers, twissors, or forceps -- whatever you have and are comfortable with. Simply rub the fuzzy yellow starfish shaped pollen florets against the thin Y-shaped stigmas at the base of each petal, and you will get a hybrid seed at the base of that petal -- a hybrid of your own making.

"Any tips for saving seeds?"

Yes. You don't need to wait for the seed head to die and become brown. As an alternative, you can pluck petals that have live green seeds attached, and dry them for a week or two before storing them. That avoids the danger of seed-eating birds getting your seeds, and it also avoids the danger of pre-germination in the seed heads if there is a rainy period. It is also easier to distinguish viable embryo-containing seeds from "empty" seeds in the green seed stage. Click on the pictures for a bigger version. To get back here, find the little arrow at the lower right-hand corner of the picture and click it.

Thumb of 2015-07-05/ZenMan/7f75c7

Notice that the fat green seeds are attached to petals that still have color, and are not dead.

However, if you are dealing with a brown dead zinnia flowerhead that contains seeds, you can pick out the good seeds by tearing the head apart on a sheet of white paper and looking for good seeds. Some seeds will look good even though they don't contain a viable embryo. You can gently squeeze a seed between your thumb and forefinger and feel whether it is "fat" with an embryo or just an empty seed jacket. Another way to determine if a seed has an embryo is to gently try to bend it. If the jacket is empty, the seed will bend easily. If it has an embryo, it will resist bending. Don't bend too hard, you can break a good seed, which may make it unable to germinate. Occasionally a broken seed can germinate, but its seed leaves will be missing the outer halves. Even though it will be slowed in development at first, it can eventually develop into a normal plant. I package my zinnia seeds in Snack sized Ziploc bags, including a 3x5 card with notations about the seeds.

Thumb of 2015-07-05/ZenMan/62434d

If you have any questions about any of this, don't hesitate to ask.

ZM
I tip my hat to you.
Last edited by ZenMan Jul 5, 2015 1:14 PM Icon for preview
Avatar for Lexinnia
Jun 14, 2023 12:24 PM CST

I want to know if there are any new threads on breeding your own zinnias. Please start a new one I read them over and over again! Crossing Fingers!
Avatar for ZenMan
Jun 15, 2023 11:23 AM CST
Name: ZenMan
Kansas (Zone 5b)
Kansas 5b
Annuals Enjoys or suffers cold winters Region: United States of America Seed Starter Keeper of Poultry Hybridizer
Hummingbirder Dragonflies Garden Photography Butterflies Zinnias Garden Ideas: Level 2
Hi Lexinnia,

Your forum name does have some similarity to "zinnia", so that is appropriate. You are responding to a 2015 post, which is kind of ancient.

You can find a lot of Zinnia-related messages by entering "zinnia" in the Search Garden.org... box at the top-righthand corner of this National Gardening Association screen. You can find much more by doing a Google search on the Internet.

I am in an extended process of moving, so I won't be engaged with my zinnia hobby for the time being. But there is a lot of current zinnia information "out there". There are literally millions of people growing zinnias. When I get moved and can return to the zinnia hobby, I will continue my interest in new zinnia flower forms.

ZM
I tip my hat to you.
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