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You can harvest Spanish lavender seeds by letting the spent blooms dry on the plant, then collecting the tiny seed pods before they drop.
It’s easier than you might think, and it saves you money on new plants every season.
If you’ve ever wondered how to harvest Spanish lavender seeds, you’re in the right place.
In this post, we’ll walk through when to harvest Spanish lavender seeds, the tools you need, and how to store them so they stay viable.
Let’s get to it.
How to Harvest Spanish Lavender Seeds: The Basics
Harvesting Spanish lavender seeds starts with understanding the plant’s bloom cycle.
Spanish lavender (Lavandula stoechas) blooms in spring and often again in fall, producing those distinctive pineapple-shaped flower heads with little “rabbit ear” petals on top.
Those flower heads are where the seeds form.
Once the colorful petals fade and the flower head turns brown and dry, the seeds inside are mature.
If you wait too long, the seed pods split open and the seeds scatter on the ground.
So timing matters when you harvest Spanish lavender seeds.
1. Wait for the Blooms to Fade and Dry
After the purple flowers drop, the flower spike stays green for a while, then turns brown.
That brown, papery look is your signal that the seeds are ready.
If you harvest Spanish lavender seeds too early, they won’t be viable.
If you wait too long, they’ll be gone.
Check your plants every couple of days once the blooms start fading.
2. Watch for the Seed Pods to Open
Each dried flower head holds several tiny seed pods.
When those pods turn dark and start to crack open, it’s time to harvest Spanish lavender seeds right away.
You can gently tap a flower head over your hand to see if seeds fall out.
If they do, you’re right on schedule.
3. Choose a Dry, Sunny Morning
Moisture is the enemy of seed harvesting.
The best time to harvest Spanish lavender seeds is on a dry morning after the dew has evaporated.
Avoid harvesting after rain or when humidity is high.
Damp seeds can mold in storage, ruining all your hard work.
Step-by-Step: How to Collect Spanish Lavender Seeds
Now that you know when to harvest Spanish lavender seeds, here’s how to actually do it.
1. Gather Your Tools
You don’t need much to harvest Spanish lavender seeds.
A pair of small scissors or pruning shears, a paper bag or envelope, and a shallow bowl or tray will do.
Skip plastic bags because they trap moisture.
Paper lets the seeds breathe while you collect them.
2. Snip the Dried Flower Heads
Cut the dried flower spikes just below the head, leaving a short stem.
Drop each one into your paper bag or bowl.
Don’t crush them yet.
You want to harvest Spanish lavender seeds gently so you don’t lose them in the process.
3. Let Them Dry Further Indoors
Even if the flower heads look dry outside, give them a few more days indoors in a warm, dry spot.
Spread them out on a tray or leave them in the open paper bag.
This extra drying step makes it easier to harvest Spanish lavender seeds cleanly.
4. Rub and Shake to Release the Seeds
Once everything is bone dry, rub the flower heads between your fingers over a bowl.
The seeds will fall out along with some chaff.
You can also shake the bag gently to help loosen them.
This is the moment you actually harvest Spanish lavender seeds from all that dried plant material.
5. Separate the Seeds from the Chaff
Pick out the larger pieces of dried petals and stems by hand.
For finer chaff, gently blow over the bowl or use a fine mesh strainer.
The seeds are small, dark, and slightly oval.
Once they’re mostly clean, you’re done with the hardest part of how to harvest Spanish lavender seeds.
Storing Your Spanish Lavender Seeds
Proper storage keeps your harvested seeds viable for years.
1. Use an Airtight Container
Place your dried seeds in a small paper envelope first, then tuck that into an airtight jar or container.
Add a silica gel packet if you have one to absorb any lingering moisture.
Label the container with the date and plant name.
2. Keep Them Cool and Dark
Store your Spanish lavender seeds in a cool, dark, dry place.
A cupboard away from the stove works fine.
For long-term storage, the fridge is even better.
Just make sure the container is sealed tight so no humidity gets in.
3. Avoid Temperature Swings
Fluctuating temperatures can cause condensation inside the container.
That’s bad news for seeds you worked hard to harvest.
Pick one spot and leave them there until you’re ready to plant.
So, How Do You Harvest Spanish Lavender Seeds?
You harvest Spanish lavender seeds by letting the flower heads dry on the plant, cutting them before they shatter, and then drying and rubbing them indoors to release the seeds.
It’s a simple process that takes just a little patience and a few basic tools.
Once you know how to harvest Spanish lavender seeds, you can save them year after year and fill your garden with new plants for free.
Happy harvesting.