The lavenders (Lavandula) are a genus of 39 species of flowering plants in the mint family, Lamiaceae. An Old World genus, distributed from Macaronesia (Cape Verdeand Canary Islands and Madeira) across Africa, the Mediterranean, South-West Asia, Arabia, Western Iran and South-East India. It is thought the genus originated in Asia but it is most diversified in its western distribution.
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Grow lavender from seeds:
Combine 3 parts milled coir, 1 part sharp sand and 1 part perlite in a bucket or large bowl. Pour small amounts of water into the mix until it feels evenly damp.
Fill a 3-inch-deep seedling tray with the soilless potting mix, leaving 1 inch of space at the top. Sprinkle a light layer of lavender seed across the surface of the mix. Cover the seeds with a scant layer of sharp sand to hold them in place without blocking the light.
Cover the seedling tray with plastic wrap or a propagation dome. Lift the cover every two days to mist the lavender seeds with a spray bottle or plant mister. Mist the seeds only when the soil feels dry just beneath the surface.
Place the seedling tray outdoors in a cold, shaded spot for three to five weeks after sowing them. Move the seedling tray to a well-lighted place where temperatures stay above 60 degrees Fahrenheit at all times following the cold stratification period.
Watch for germination in two to eight weeks. Transplant the lavender seedlings as they appear into 4-inch pots filled with a mix of equal parts sharp sand and sterile potting soil.
Grow the lavender plants in their individual pots until they reach 6 inches in height and have plenty of healthy foliage. Acclimate the plants to direct sunlight over the course of 10 days before planting them in a sunny, sandy bed.