How To Collect Calibrachoa Seeds The Best Way

Know how to collect calibrachoa seeds in two simple steps. Collection and storage are the only methods you have to study, and you should be ready to propagate calibrachoa via seeds. These plants, also known as million bells, are the year’s annual by the University of Vermont, so why not learn how to propagate them and discover why people love them.

For starters, calibrachoa has distinct bright flowers that are reminiscent of another garden favorite, petunias. You can use this plant to add color to your garden, or even as groundcover and hanging flowers. Collecting calibrachoa seeds is reasonably simple, and it’s a useful knowledge that every gardener must-have. 

How To Collect Calibrachoa Seeds The Best Way

Complete Guide On How To Collect Calibrachoa Seeds



First of all, you can’t collect seeds on any flower of the plant. Those that produce seeds have swellings underneath them, also called as seed pods. This is where the greenhouse offers another advantage since pollinating indoors is easy to control. 

You can assume that well-pollinated flowers, especially with the help of bees, should develop seed pods. Once you identified the pods, allow them to dry on the plant. Collecting the seeds is as easy as breaking the pod open and voila, you’ll get your very own calibrachoa seeds without hassles. 

Another method is snipping or pinching the drying seed pods off from the stem. They have turned brown and about to burst open, so be gentle in handling them. You’ll then place these pods on a paper over a hard surface before crushing and rolling them to release the dark and tiny calibrachoa seeds. 


Why do I can’t collect calibrachoa seeds on some flowers?

For starters, not all calibrachoa plant varieties will produce seeds. Some are sterile, while there are hybrids that will produce seeds without the ability to grow as their parent’s clones from propagation. Therefore, check your plants for seed pods when the flowering period is about to end.

This usually happens in late summer or fall, but it still depends on the specific calibrachoa variety and even your region’s conditions. For example, it’s possible to cut calibrachoa back before it gets colds, and they’ll rebloom next spring if done in November. Additionally, hybrid calibrachoas like the superbells can be both annuals and perennials, depending on your hardiness zone. 




Breaking and crushing pods

As mentioned earlier, it’s also possible to collect the seed pods and break them over a paper. This way, you can quickly gather the tiny seeds much efficiently by shaking the pods. You may also crush the pods if needed. 


Drying pods

If you’re not pleased with how dry the pods are, you can also let them continue to dry for one or more weeks, depending on their dryness. Do this by spreading the pods in a single layer inside a shallow cardboard box and put it in a dry and warm location to help the pods dry. 



Once you’ve shaken out and collected calibrachoa seeds, keep them inside a small jar or envelope. Don’t forget to remove any remaining seed pod debris before pouring the seeds in your container. For a gentler approach, fold the paper and tap it gently, so the seeds flow onto the jar or envelope.

This way, you’re not handling the seeds, and you can ensure that they stay dry for storage. Once the transfer is complete, don’t forget to label your containers with their date of collection. You can store the seeds anywhere as long as its dry, dark, and cool until early spring to propagate. 


How To Grow Calibrachoa Seeds

Depending on the variety, it’s possible for you only to wait four months before the seeds bloom. You can also start the bloom season early if you start your seeds in the greenhouse. The indoor conditions are more comfortable to control to guarantee germination. 

Press one seed lightly on top of a seed flat filled with your preferred growing medium. If needed, you may supplement with light, and you should also maintain the indoor temperature around 70°F. Some gardeners even use a heat mat for their tray to reach this temperature. 

As your plant grows, you can adjust the conditions accordingly. For example, seedlings should have 18 hours of growing light and then 8 hours of darkness at night. Maintain the soil’s moisture by bottom watering and only start feeding when the seedlings are a month old. 

Lastly, harden the seedlings first if you plan to transplant outdoors. Get them adjusted to the conditions and then start transplanting once frost has passed or when the night stays at 50°F. 



Calibrachoa propagation is an excellent way to grow and get your own calibrachoa from existing plants. If you plan on rooting from seeds, you might also be interested in how to collect calibrachoa seeds. The good news is that collection and storage are the only two steps you need. 

Collecting calibrachoa seeds is as simple as checking for seed pods, letting them dry, and breaking them open on paper. Fold this paper for easy transfer on a jar or envelope, and store it in a cool, dry, and dark place ready to root. It’s also best to do in the greenhouse to get them vigorous for transplanting once frost has passed for starting calibrachoa seeds.


Leave a Comment