★ How to Collect Petunia Seeds (A Complete Step by Step Guide)

Are you wondering how to collect petunia seeds? Look no further, as this complete step-by-step guide will provide you with all the information you need. So, whether you are an avid gardener or a beginner looking to save costs, he or she can learn the process of collecting petunia seeds and enjoy the satisfaction of growing these beautiful flowers from scratch. Read on to discover the secrets of successfully harvesting petunia seeds!

How to Collect Petunia Seeds (A Complete Step by Step Guide)


Petunias are beautiful flowers that are commonly found in gardens and hanging baskets. They come in a variety of colors and are a popular choice for adding a splash of color to any outdoor space. While many people purchase petunias as plants, it’s also possible to collect the seeds and grow your own. In this article, we will provide a complete step-by-step guide on how to collect petunia seeds.

Step 1: Choosing the Right Video

To get started, we recommend watching the video created by Project Diaries. This video is a step-by-step guide on collecting petunia seeds and provides valuable information and techniques. Project Diaries is a reputable channel known for their informative and well-explained gardening videos.

Step 2: Understanding the Process

Petunia seeds can be easily collected from the flowers themselves. Each seed pod can provide enough seeds for a hanging basket or multiple pots. The process involves waiting for the flowers to die back and the seed pods to form. It’s important to allow the pods to dry out and turn brown before harvesting the seeds.

Step 3: Harvesting the Seeds

Once the seed pods have turned brown, it’s time to harvest the seeds. Take a pair of scissors or pruning shears and carefully cut the seed pods from the plant. Make sure to place the pods in a paper bag or envelope to catch any seeds that may fall out during the process.

Step 4: Drying and Storing the Seeds

After harvesting the seed pods, it’s important to allow them to dry completely before storing the seeds. Place the pods in a cool, dry place and let them sit for a few weeks. Once the pods are fully dry, gently crush them to release the seeds. Store the seeds in a labeled envelope or container and keep them in a cool, dry place until you’re ready to plant.

Step 5: Supporting Project Diaries

If you found the video created by Project Diaries helpful, consider supporting the channel through donations. Project Diaries accepts donations through Patreon and Paypal. By showing your support, you can help them continue creating informative videos like this one.


Collecting petunia seeds is a rewarding process that allows you to grow your own beautiful flowers. By following the step-by-step guide provided in the video created by Project Diaries, you can easily learn how to collect and store petunia seeds. Don’t forget to show your support for Project Diaries through donations if you found their video helpful.

FAQs After The Conclusion

  1. Can I collect petunia seeds from any variety of petunia plants?

It is generally possible to collect petunia seeds from most varieties of petunia plants. However, some hybrid varieties may produce sterile seeds or offspring that differ from the parent plant. It’s best to select heirloom or open-pollinated petunias if you want to ensure seed viability.

  1. How long does it take for the seed pods to form after the flowers die back?

The time it takes for the seed pods to form can vary depending on the variety of petunia and environmental conditions. In general, you can expect the seed pods to form within a few weeks after the flowers die back.

  1. Can I collect petunia seeds when they are still green?

It’s best to wait until the petunia seed pods have turned brown and dried out before harvesting the seeds. Green pods may contain immature seeds that are not viable for germination.

  1. How long can petunia seeds be stored before planting?

When properly stored in a cool and dry place, petunia seeds can remain viable for up to three years. However, it’s best to use them within one to two years for optimal germination rates.

  1. Can I collect seeds from petunias grown from seeds I previously collected?

Yes, you can collect seeds from petunias that were originally grown from seeds you previously collected. Ensure that the plants are not cross-pollinated with other petunia varieties to maintain the desired characteristics of the parent plant.

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