Most Hydrangeas can be grown from seeds. You can purchase seeds or harvest them from dried-out blooms, but not every Hydrangea produces viable seeds. The process takes a very long time, but it can be rewarding to watch your seedlings germinate and grow.
Do hydrangeas make seeds?
Hydrangeas produce seeds through their enormous blooms. However, the seeds themselves are very small. … Once the shrub blooms, allow 8 to 12 weeks for the flower to start to fade and dry.
How long does it take for hydrangea to grow from seed?
To grow a hydrangea from seeds, fill a pot with soil and place the seeds on top of the dirt—not buried beneath it. Then, put your pot near a sunny window indoors, and keep the soil moist while the seeds germinate. (That should take about 14 days, Link says.)
How do I collect hydrangea seeds?
- 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.
How long does it take for hydrangeas to bloom from seed?
It takes about 14 months for hydrangeas to grow from seed into an established enough plant.
When should I plant hydrangea seeds?
About six to eight weeks before the last expected frost, you can plant your hydrangea seeds. Sprinkle the seeds onto moist, fertile potting soil. Do not cover them with soil. They need light to germinate.
Do hydrangeas bloom in the first year?
A newly planted bush may bloom the first year if it set flower buds while it was confined to a pot, and then not bloom again for a year or two as it settles into the soil in its new location. Instead it is busy growing new roots and branches, instead of flower buds.
What is hydrangea season?
The hydrangea blooming season depends upon the type and cultivar as well as your planting zone. Most new growth hydrangeas put on buds in early summer to bloom in the following spring, summer and early fall seasons. In hot climates, hydrangeas may stop blooming in the heat of summer, but will rebloom in the fall.
How do hydrangeas reproduce?
Hydrangeas reproduce sexually. The pollen is scattered by the wind and starts the reproduction process. Then, the seeds grow inside the flower and eventually the flower clusters die. The hydrangea blooms, which contain the seeds, usually dry up and disperse on the ground or travel attached to animals.
What is a blue hydrangea?
But when you hear of the magical, color-changing abilities of these enchanting plants, they’re actually talking about a specific variety called Hydrangea macrophylla, or “Bigleaf Hydrangea”. Bigleaf hydrangeas are known to bloom in shades of pink, blue, or white.