A detailed guide to growing blueberries from seed, step-by-step seedling instructions
1. Planting preparation
Blueberry seeds are very small, so we need to use a toothpick to pick them out. Then put the seeds in shallow water to wash them and remove any remaining flesh. After that, soak the seeds in gibberellin to break their dormancy, and then they are ready for sowing.
2. Choosing the growing medium
Blueberry seeds are not suitable for sowing in ordinary soil. It is best to sow them on fresh, clean sphagnum moss.
After transplanting, choose a growing medium with a pH of 4.0-5.5, and make sure it contains a certain amount of leaf mold.
3. Sowing method
Before sowing, first prepare a comfortable container for the blueberries. Choose a box about 8cm deep and put fresh, moist sphagnum moss inside.
Then scatter the seeds evenly over the sphagnum moss. At this point, note that you can scatter slightly more, first because its germination rate is really not high, and second because transplanting will be needed later.
Then place a layer of plastic wrap or newspaper over the box to maintain humidity inside. Be careful to poke a few small holes in the plastic wrap or newspaper. This is to let the seeds breathe and help them germinate.
The seeds take about one month to germinate. During this period, keep them in an environment of 16℃-21℃, and water promptly to keep the sphagnum moss moist.
4. Transplanting method
When the young plants have grown to 5-8cm and produced a few true leaves, they can be taken out of the sphagnum moss and planted in the chosen growing medium.
First prepare a flower pot filled with growing medium, about 30cm in diameter. Wet the medium by bottom watering. Then use a trowel to dig a small hole in it, about 5-10cm is enough. After that, take the young plant out of the sphagnum moss container and transplant it into the hole. Be careful not to damage the roots of the young plant, that is, do not let its roots be exposed to the air. After placing it, cover the plant with the excess medium and press it firm so that the roots are in close contact with the medium. Finally, water a little to give the young plant a better environment for development. When the plant grows larger, it can be repotted and transplanted again according to the specific situation.