Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
You can harvest spider lily seeds from the spent flower heads once the blooms have faded and the pods have fully dried on the plant.
It’s a simple process that lets you grow more of these striking, fragrant flowers for your garden.
Knowing exactly when to harvest spider lily seeds is the trickiest part, but once you spot the swollen seed pods, you’re almost there.
In this post, we’ll walk you through the entire process of how to harvest spider lily seeds, from spotting the right moment to storing them for spring.
Let’s dig in and get those seeds ready for planting.
Why Learn How to Harvest Spider Lily Seeds Yourself
Harvesting spider lily seeds is totally doable for any home gardener, and it’s the most budget-friendly way to expand your collection.
When you harvest spider lily seeds at the right time, you ensure they’re viable and ready to germinate.
It also gives you complete control over where you plant them, whether that’s in pots or straight into the garden soil.
Let’s break down what you need to know before you start.
Understanding the Spider Lily Seed Pod
Spider lily seeds grow in green, three-lobed pods that form after the flowers are pollinated.
Each pod holds a few round, fleshy seeds that look a bit like small green peas.
These pods start out soft and plump, then gradually turn brown and papery as they mature.
You’ll want to keep a close eye on them because the timing matters a lot when you harvest spider lily seeds.
When Are Spider Lily Seeds Ready to Harvest?
The best time to harvest spider lily seeds is late summer to early fall, roughly three to four weeks after the flowers have dropped.
A sure sign is when the pod turns from green to a dry, brownish color and begins to split open on its own.
If you gently squeeze the pod and it feels hard and crisp, that’s your cue to harvest spider lily seeds.
Don’t wait too long, though, because an open pod can spill seeds onto the ground and they’re hard to find among the leaves.
Step-by-Step: How to Harvest Spider Lily Seeds Properly
Once you’ve confirmed the pods are dry, gathering the seeds is quick and fun.
Here’s the cleanest, easiest way to harvest spider lily seeds without damaging them.
1. Cut the Entire Stem
Grab a pair of clean pruning shears or sharp scissors.
Cut the whole flower stem near the base of the plant, not just the pod.
This keeps the pod intact and makes it much easier to work with indoors.
Bring the stem inside and lay it on a flat surface like a baking sheet or newspaper.
2. Split the Pod Open Gently
Hold the pod over a bowl or tray to catch the seeds.
Use your fingers to gently twist or pry the pod apart along its natural seams.
If it’s truly dry, it will break open with little effort.
Inside, you’ll find several round seeds loosely packed in the center.
Collect every seed you see, even the smaller ones, since these can still germinate.
3. Remove Any Chaff or Debris
Sift through the seeds with your fingers and remove any bits of dried pod or plant material.
Don’t rinse the seeds with water because moisture can trigger early sprouting during storage.
Just keep them as dry and clean as possible after you harvest spider lily seeds.
4. Dry the Seeds for a Few Days
Spread the freshly harvested spider lily seeds in a single layer on a paper towel.
Leave them in a cool, dry place out of direct sunlight for two to three days.
This allows any remaining moisture to evaporate, which prevents mold later.
Once the seeds feel firm and slightly wrinkled, they’re ready for storage.
Storing Spider Lily Seeds After You Harvest Them
Proper storage is key to keeping your seeds healthy until spring planting.
Follow these tips so your efforts to harvest spider lily seeds don’t go to waste.
Use an Airtight Container
Place the dry seeds in a small glass jar or a resealable plastic bag.
Squeeze out as much air as possible before sealing.
Airtight conditions protect the seeds from humidity and pests.
Label the container with the date and the variety of spider lily you harvested from.
Keep Them Cool and Dark
Store the jar in a refrigerator or a cool basement, ideally around 40–50°F (4–10°C).
Avoid warm spots like the top of the fridge or near a window.
Cold stratification isn’t strictly necessary for spider lily seeds, but a cool rest period can improve germination rates.
Check on the seeds every few weeks to ensure no condensation is building up inside.
Planting Your Harvested Spider Lily Seeds
After you harvest spider lily seeds, the next step is getting them into soil at the right time.
Here’s a quick primer so you’re ready.
When to Plant
Plant your seeds in early spring after the last frost has passed.
In warmer climates, you can also plant them in late fall right after harvesting.
Just keep in mind that fresh seeds germinate faster than stored ones.
How Deep to Sow
Press each seed about half an inch into well-draining soil.
Space them a few inches apart if you’re planting directly in the ground.
Water lightly after planting, and keep the soil consistently moist but not soggy.
Germination can take anywhere from two to eight weeks, so be patient.
Once seedlings appear, give them plenty of indirect light and watch them grow.
So, How Do You Harvest Spider Lily Seeds Successfully?
You harvest spider lily seeds by waiting for the green pods to dry and crack open, then cutting the stem and splitting the pods over a bowl.
It’s a straightforward task that rewards you with dozens of new plants for free.
Just remember to check your spider lilies often in late summer, because those pods can open quickly and drop their contents.
Once you harvest spider lily seeds, dry them, store them cool and dark, and plant them in spring.
With a little patience and these simple steps, you’ll have a whole patch of spider lilies blooming in no time.
Happy gardening, and enjoy every step of growing these gorgeous flowers from seed.