How to Propagate Lilac Bushes
Lilac bushes are hardy plants, but must be carefully cultivated when propagated from seeds. Purchase or collect seeds in the fall, and store them in a cool place over the winter. When spring arrives, plant seeds in a shaded place, protected from scavengers, and water heavily. After two years, move them to a sunny place until they bloom. After blooming, transplant your mature lilac bush to its final location. Does this Spark an idea?
Instructions
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Place the seed in a glass jar and store it in the refrigerator or another cool place. Store the seed for the winter so it is not disturbed by the frost.
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Plant the seed in the spring. Use well-fertilized, healthy soil for the initial planting. Plant the seed in a flat, shaded area. Cover the seed with a small wire screen so it is not eaten by a bird.
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Keep this area shaded and well-watered at all times. Add additional fencing, if needed, so animals do not disturb the seed.
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Surround the lilac seedling with wire screens or fencing once it sprouts to protect it from curious or hungry scavengers. Keep the seedling well-watered and fertilized.
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Transplant the bush to a sunny place once it is 2 years old. The bush should begin to bloom in 2 to 3 years. Wait until after the first bloom to choose a final location for the lilac bush.
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Transplant the mature lilac bush to its final destination. Select a location with plenty of growing room. Consider the other plants in the area, and whether they will complement your bush's shape and colors.
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Tips & Warnings
If you plant the seed outside, it must be watered almost daily to prevent winds from scorching the seedling.
If planting more than one lilac bush, space them at least 2 feet apart at first. When you replant them after the second year, they will need even more space.
Grow seedlings inside during the winter. Place them in a sunny window or keep them under bright artificial lights.
Plant several seeds, in case some do not sprout or are carried off by wind or scavengers.