Every spring, I somehow manage to forget to pull a few radishes in time. Instead of crisp little roots, I end up with thick stalks and woody radishes that are way past their prime. For years, I didn’t know what to do with them besides toss them into the compost pile or into the green waste bin the city provides.
But this year, I got smart.
From Woody Radishes to Seed Pods
Last year I started learning about seed saving, which opened up a whole new world. I figured, if I’m already growing radishes every year, why not let a few go to seed and harvest from them?
So instead of pulling up those overgrown radishes, I let them keep growing.
They reached about four feet tall and bloomed with the sweetest little flowers. The bees loved them and worked them for days. Eventually, the plants formed loads of seed pods.
When to Harvest the Seed Pods
Once the plants begin to dry out and the seed pods turn brown and papery, it’s time to harvest. Pull the plants and place them in a well-ventilated area to dry completely. You can lay them flat or hang them up. Just be sure they have enough airflow to finish drying.
How to Collect the Seeds
When the pods are fully dry, you can start opening them. Inside, you’ll find radish seeds nestled in a lightweight material that feels a lot like styrofoam. Just break open the pods and remove the seeds. You can separate the white material if you want, or leave it. I haven’t found that it causes any problems at planting time.
Storing Your Radish Seeds
Place your seeds in a sealed container and store them in a cool, dry place. Don’t forget to label the container with the type of seed and the year you harvested it. Radish seeds stay viable for up to five years, so you’ll have a good stash for future seasons.
GROWING TIP: I like using small jars or paper envelopes stored inside a larger airtight container to keep everything dry and organized.
Learning to save radish seeds has been such a rewarding way to use part of the plant I used to throw out. It’s simple, satisfying, and a smart way to keep your garden going year after year.
Do you harvest and collect seeds? I’d love to hear which ones you save and how it’s worked for you.
*Aside from the experience, any additional seed harvesting information came from the book Seed Sowing and Saving by Carole B. Turner (Storey’s Gardening Skills Illustrated series).
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