Once the 90 days have elapsed, the seeds can be used immediately or kept in the freezer until you are ready to plant them. Blueberry seed planting should commence in the fall in warm climates and in the spring in more northerly climes.
Plant the seed in dampened sphagnum peat moss in seed trays and cover them with ¼ inch (6 mm.) of soil. Keep the medium consistently moist. Be patient; blueberry seed planting may take six to eight weeks to germinate, some not for three months. The hybrid high bush seeds germinate more unreliably than their wild low bush relatives.
Blueberries are heralded as a super food– extremely nutritious, but also high in flavanoids which have been shown to reduce the damaging effects of oxidation and inflammation, allowing the body to fight off disease. Most home growers purchase cuttings, but did you know that blueberry seed planting will result in a plant as well?
How to Grow Blueberries from Seeds
Keep the seeds in a warm, sunny area of 60 to 70 degrees F. (15-21 C.). If lacking in sunlight, suspend a fluorescent light about 14 inches (36 cm.) above the seedlings. The resulting seedling from the growing blueberry seeds will look like grass with a few tiny leaves atop. During the first year of blueberry seed planting, the seedlings may get no taller than 5 or 6 inches (13-15 cm.) in height.
Once you have gathered the blueberry bush seeds, they must be scarified. Place them in some damp paper towels and put them in the freezer for 90 days. Cold stratification will break the seeds’ rest period so they are ready for planting.
Blueberry Seed Planting
To prepare blueberry seeds for planting, the fruit will need to be macerated. This can be done in a food processor, blender, or mashed in a bowl. Add a little water to the berries as you do this. Once the fruit is mashed, remove the floating pulp. Seeds will sink to the bottom. You may need to add water several times to remove the pulp completely.
Once the blueberry bush seed plants are big enough to transplant, move them into pots in a sunny, warm area and keep moist. The growing blueberry seed plants can be fertilized with a liquid fertilizer after two to three weeks in their pots. The resulting blueberry bush seed plants will bear fruit during year two when the plant is 1 to 2 feet (31-61 cm.) tall.
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