How do I plant Hydrangea seeds?
You can either sow the seeds in the fall or cover and store the seeds in a dry, cool area through the winter to sow next spring.
Choose a good-quality pot or container and fill it with a potting mix or soil high in nutrients and organic matter. Starting with nutrient-rich soil is beneficial to the plant. The soil must be well-drained and moist at the same time.
Leave a couple of inches free at the top of the pot. To sow the seeds, just dust the seeds on top of the soil. Do not disturb the soil or try to mix the seeds with the soil.
Keep the soil moist at all times without making it soggy. Once the plant germinates and develops strong roots, it can be moved outside to a bright location where it will get enough sunlight. However, you must protect the plant from intense heat.
If you are sowing the seeds in fall, keep the pot indoors in a well-lit area throughout the winter. Keep it away from heat sources indoors.
The seeds will soon germinate, and you can move the pot outdoors, transplanting in spring.