Growing Hydrangeas From Seed – Tips For Sowing Hydrangea Seeds

Growing Hydrangeas From Seed – Tips For Sowing Hydrangea Seeds

By: Teo Spengler
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Who doesn’t love the no-drama

If you want to learn how to grow hydrangea from seed, the first thing you need to do is collect the seeds. It’s not as easy as you might think. Each hydrangea blossom is actually a composite of small showy, sterile flowers and tiny fertile flowers. It’s the fertile flowers that contain the seeds. Before you start planting hydrangea seeds, you’ll need to collect those seeds. Here’s how:

  • Wait until a blossom begins to fade and die. Keep your eye on it and, as the flower dies, put a paper bag over it.
  • Cut the stem, then let the flower head finish drying in the bag.
  • After a few days, shake the bag to get the seeds out of the flower.
  • Carefully pour out the seeds. Note: They are tiny and can be mistaken for dust.

You can start sowing hydrangea seeds immediately after you harvest them. Alternatively, save them in a cool place until spring and start sowing them then. In either case, surface sow the seeds in a flat filled with potting soil. Keep the soil moist and protect the seeds from cold and wind. They normally germinate in about 14 days.

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