Excellent germination rate and very quick as well. I put the bag in my fridge for a few days prior to sowing. Sowed seeds on top of soil.

No duds, all the seeds sprouted.

Seeds are growing nicely so far, just starting sowing them

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Only rated these seeds a 3 because, I just got them, and won't be planting them till next spring, so I can't really give a review. I love cosmos, so hopeful they will do well. Looking forward to beautiful flowers next spring/summer 2025. Package came a day early, lots of seeds, at a very good price, happy I found them on Amazon!

I got these seeds and planted them five days ago. I am using them for a cut garden in a raised flower bed. After 2 days, they sprouted! They are going strong so far and I’m so excited to see the what colors and flowers we get! I just sprinkled them around the soil, pressed down lightly, and watered. I have been watering every day since, as we are experiencing temps of 90-100 in Pa. Attached is a photo taken five days after planting the seeds. Get them! They seem to grow pretty easily.Updating to add new photo of the growth- it’s now been about a week since planting and they are looking great! I can see some variety between the leaves. Excited!!

When I tell you these seeds blew my mind I am not kidding. At first they were slow to come up but then over night they just went crazy! They lasted from about June to October in Northern IL. I kept dead heading them and they just kept going and going. I adored the many different colors and petal patterns there were. So many different pollinators too! They are so worth it! You do have to be careful because they do self reseed for the next year so I suggest keeping an eye on them because they fly everywhere once they dry.

So, the sun was setting, the night was getting cold and windy, a light rain was starting to fall, and the mosquitoes were extremely happy to see me. Yet, I still had 3 more pots to seed, and I was determined to get them seeded before I went inside and grabbed a long delayed meal.I had about 10 packs of flower seeds that I was choosing between, for which seeds to grow in which pots. 2 of those pots had very young trees in them, and the other pot was hosting one sad apple cutting that didn't seem to be planning on surviving. I was hoping having some other plants sharing the pot might just be enough to protect that cutting and give it another chance. So, I picked out which flowers would work best in each pot and set the other seeds aside.At that point I was needed to help out my housemates. With the heavy winds blowing, I couldn't place each seed packet into the planter I wanted to plant them into as the wind was blowing hard enough that boxes and bags were blowing by. Instead, I set the 3 seed packets under the edge of one of the pots that was under the eves and out of reach of wind or rain.An hour later, with dusk well set in, I was able to return to planting the flower seeds. It was now too dark to read the descriptions on each of the flowers, but I thought I remembered which flowers I wanted where. I quickly sprinkled the seeds and applied a thin layer of new potting soil over those seeds. The flower labeles stuck into the appropriate pots. A light watering down with the hose and those seeds should stay put!The next morning I had the energy to double check that I had put the correct seeds into the correct pots, and... Nope. I shifted all the seeds one pot off. This meant that the shortest flowers ended up in the pot with the poor apple cutting, not being able to ever grow enough to shelter the poor apple cutting. The medium height flowers ended up under the young apple tree, where they were a bit crowded into the tree's branches, but still able to grow and find a place for themselves. And these, a beautiful Cosmos mix, were planted where the medium flowers were supposed to go. These beautiful Cosmos mix flowers that were supposed to grow between 18" to 60" were planted under my young fig tree, where they would have about 14" of height to grow into...Sigh... It looked like I would be busy repotting all the Cosmos ,that came up under my fig tree, in a month or two...Imagine my surprise when, 2 days later the Cosmos started sprouting, completely filling up every mm of dirt under my fig tree! By 3 more days the Cosmos were already over 3 inches tall!!! I spent the next 5 days transplanting over 100 baby Cosmos into every 4" pot I could fill with potting soil! Thankfully my new potting soils arrived by the time I was ready to repot the last of the Cosmos! Yay, what a relief to have enough potting soil to be able to get that done!Since I had needed to remove over 2" of soil off the top of the pot my fig tree lives in, exposing a lot of its upper roots, and since I had received my new potting soils, I was able to create the nice soil mixture I use to keep my potted plants happy and refill the missing 2" in the pot over my fig tree's roots. A nice watering and finally I was done with repotting all those Cosmos which I had seeded into the wrong pot!Or so I had thought. But, almost a week later I noticed new seed sprouts under my fig tree again. After a week i had another 60+ Cosmos, all 3" to 5" tall, to repot!Not all those Cosmos were thrilled by my pot selections and how young they were when I repotted them. Despite that, I now have almost 100 Cosmos that I need to move into a permanent location! Good thing I only put a light sprinkling of seeds into my fig pot! I thought that I had sprinkled maybe 30 or 40 seeds. However, there were so many complaints of people not getting any plants to sprout that I only expected to get maybe 1/2 to 1 dozen flowers sprouting and surviving past their 4" life stage...So, for all of the people who said that their Cosmos seeds didn't sprout, I can't imagine what you did to your seeds. Are you certain you actually planted seeds from your Cosmos packet, instead of forgetting to actually add any seeds? If you still can't get your pack of seeds to sprout, bring them over! I mean, I have a black thumb, as far as growing plants in pots, but these Cosmos seeds didn't care if my thumb was black or green, they were gonna grow no matter what I did!

La flor de cosmos es tan característica de agosto y septiembre, pero poco a poco va desapareciendo. Aunque el costo es elevado, se compensa al ver lo bien que germinan todas las semillas. Puse unas en germinadores y ya están listas para transplante, recién puse otras en un espacio más amplio y con con agrado veo que a dos días de sembrarlas ya están germinando.

only 10 percent of seeds germinated.