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Broadcast sowing – a quick technique for large surfaces and growing beds

Broadcast sowing, seeds in hand with dark complexion.
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A handful of seed cast out with a wide sweep of the arm, then a second pass at right angles to the first: broadcast sowing is how lawns are sown and how almost all tray-grown seed is started. Check that the entire surface is covered, and the seedlings come up evenly.

Outdoor plants can occasionally be sown in growing beds in this manner, as can certain annuals, but it is rather rare.

Outdoors, on small surfaces, gardeners prefer using row-sowing or seed hole-sowing, especially for vegetables.

Technique for broadcast sowing

Broadcast sowing in the garden

Pour the seeds into a bowl for easy grasping.

Grasp a handful of seeds. Spread the seeds along the ground in a regular, even manner, casting the seeds out with a wide sweep of your arm.

Verify that the entire surface is covered.

It helps to first stroll along one direction back and forth, and then to have a second pass at a right angle to the first one. Seeds spread out more evenly that way.

Broad cast sowing in trays

When you’re sowing in trays, to start seeds in spring for instance, you can use broadcast sowing to spread the seeds across the tray.

  • However, in this case, you don’t use your whole arm to spread the seeds.
  • Instead, you simply sweep your wrist back and forth as you drop seeds from the palm of your hand.

Outdoors, damping off isn’t often a problem, but in trays its very common. Best prevent it with a little charcoal.

Broadcast sowing compared with the other ways of sowing

Broadcast sowing is not always the right choice: the gesture changes indoors, and small vegetable plots are better served by other methods. Here is how the options described here line up.

Broadcast sowing compared with the other ways of sowing
Method Where it is used Gesture Point to watch
Broadcast sowing outdoors Lawns, growing beds, some annuals Wide sweep of the whole arm Check the entire surface is covered
Broadcast sowing in trays Starting seeds in spring under cover Wrist swept back and forth, seeds dropped from the palm Damping off is very common; prevent it with a little charcoal
Row sowing or seed hole sowing Small surfaces, especially vegetables Seeds set in rows or in individual holes Preferred to broadcasting on small outdoor plots
Seeder When the hand gesture proves difficult The tool spreads the seeds for you Sold in some stores

Match the method to the surface, and the seed lands where you want it.

Smart tip about broadcast sowing

If it seems difficult to get the right gesture, some stores sell seeders that can spread the seeds for you!

Seeds of different types of flowers sown with broadcast sowing.
Seed cast evenly so the whole surface is covered

Image credits (edits Gaspard Lorthiois):
Pixabay: Ivan Horvat, Hans Braxmeier

Written by Gaspard Lorthiois | Loves helping out, especially when it comes to growing things. Worked in herbal medicine, runs a farm, and dabbles in tech. Master's degree and engineer.