Saving Broom Corn Seed — Artemis Flower Farm (2024)

This post is part of my series on saving cut flower seeds.

Please see the Save Your Own Cut Flowers post about methods for selecting, harvesting, processing, and storing your seeds!

Broom Corn

Sorghum bicolor

This is an example of a plant whose ornamental part is the seed. Just choose a few heads whose color or form you love, tag them, and let them sit in the field a bit longer than the rest. Then dry upside down for a couple weeks in a mouse-proof place (!) and rub vigorously on a screen or in your hands to separate the seeds from the stalks. They need a good rubbing but will come off if dry. Despite the common name, this is not a corn, but rather a sorghum, so no worries about it cross-pollinating with your eating corn.

After rubbing, pass your batch through your screens and winnow to remove light material. You should get a good amount of seed that will be much less expensive than buying it in and will germinate like a dream. Store in a freezer if you have space, or in a cool dark place that has a stable temperature.

For more on seed saving and other gardening topics, check out my 2021 Workshops.

Saving Broom Corn Seed — Artemis Flower Farm (2024)

FAQs

How do you save broom corn seeds? ›

Dry the seeds for several weeks out of direct sunlight. A good test to determine whether the seeds have completely dried is to hit one with a hammer. If it shatters, it is ready to store; if it just looks flattened, continue drying. Store in a cool, dark place for up to four years.

When to harvest broom corn seeds? ›

Broomcorn is harvested for broom-use prior to seed maturity when the peduncles (the stem that supports the flowers and seeds) turn completely from yellow to pale green. Four to five days after this stage, the brush will become brittle and no longer be suitable for brooms.

How to remove seeds from broom corn? ›

Just choose a few heads whose color or form you love, tag them, and let them sit in the field a bit longer than the rest. Then dry upside down for a couple weeks in a mouse-proof place (!) and rub vigorously on a screen or in your hands to separate the seeds from the stalks.

How do you save corn seeds? ›

Allow the ears to develop and dry out on the stalk for as long as possible. When ready to dry, pull back the husks and place in a rodent-proof area. Once fully dried, carefully break off the seeds and store in a cool, dry place.

How do you save seeds for next year? ›

Store seeds in tightly sealed glass containers. You can store different kinds of seeds in individual paper packets in one large container. Keep seeds dry and cool. A temperature between 32° and 41°F is ideal, so your refrigerator can be a good place to store seeds.

Why can't farmers save seeds? ›

Legality. While saving seed and even exchanging seed with other farmers for biodiversity purposes has been a traditional practice, these practices have become illegal for the plant varieties that are patented or otherwise owned by some entity (often a corporation).

Will birds eat broom corn seeds? ›

If left unharvested, the seeds can be used as a winter food source for wildlife – birds love them. Benjamin Franklin is credited with introducing broom corn to the United States in the early 1700s.

How do you store corn brooms? ›

Store your broom by hanging it up indoors for the best possible care. Hanging your broom keeps the ends nice and straight, rather than storing it leaning on its fibres. If you have nowhere to hang it you could also just flip the broom upside down and lean it in a corner on its handle.

Are broom corn seeds edible? ›

The seeds are edible and can be sprouted, cooked, popped, or ground into flour.

How do you propagate broom seeds? ›

Sowing the Future: Seed Propagation Steps
  1. Timing is everything when it comes to collecting Sweet Broom seeds. ...
  2. To store, think cool, dry, and dark. ...
  3. Before sowing, give your seeds a 24-hour spa in warm water. ...
  4. Sow the seeds on the surface of a mix of potting soil, sand, and perlite. ...
  5. Keep the soil moist, not waterlogged.
Apr 13, 2024

Can you transplant broom corn? ›

Broomcorn can be transplanted, but it's so easily direct sown that it's not not really worth it to me to start broomcorn - especially when there are so many other plants that I'm starting at the time.

When to table broomcorn? ›

When it is time to harvest the broom corn, the plants are tabled. Tabling is when the stalks of the broom corn are bent over, about 30″ from the ground, towards the next row in a diagonal direction.

Can you keep corn seeds for next year? ›

To save seeds from open-pollinated varieties, allow perfect cobs to dry on the plants until the husks turn tan then continue to dry them indoors until a few kernels fall away when you twist the ear between your hands. Store the seeds in a cool, dry place for up to two years.

Why do farmers destroy male seed corn? ›

Eliminating the male rows lowers the chance of volunteer corn — the result of stray seeds sprouting in the spring. And it also avoids a sorting nightmare come harvest season. The entire ear from the female stalks are removed at harvest. Imagine if there were male ears in the mix, too.

When should you save seeds? ›

Seeds from flesh fruit, such as peppers and pumpkins, should be collected when the fruit is completely ripe and even over ripe and starting to shrivel on the plant. Scoop the seeds out and separate from the gel or pulp, rinse them off and lay them out on paper towels to thoroughly dry.

How long do Scotch broom seeds last? ›

Over 10,000 seeds per plant can be produced, last- ing 60 to 80 years in the soil.

Can you eat broom corn seeds? ›

This annual makes an interesting temporary hedge plant or back border topped by earth tone seed heads of edible seeds. Can be left as wild bird food or eaten. Seed heads themselves are used to make brooms, hence the name.

How do you store leftover corn seeds? ›

One of the more practical methods for storing small quantities is to place leftover seed in sealable jars or other airtight containers and store in a cool, dark area such as the refrigerator (not the freezer). A layer of powdered milk or uncooked rice at the bottom of the container will absorb excess moisture.

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