Lavender seeds germinate in 14 to 21 days in warm soil. Germinate lavender seeds indoors under controlled temperature. Bring the seedlings temperature down, and let them grow in a greenhouse until spring to prepare them for transplanting or repotting.Continue Reading
Germinate lavender seeds by placing them on a seed tray with bottom heat. Cover the seeds lightly with soil, and maintain the temperature between 40 to 50 degrees Fahrenheit.
Alternatively, fill pots with seed starting mix. Water the pots abundantly, put the seeds over the surface and press them lightly into the starting mix. Place the pots into individual plastic bags, and put them in the freezer for two to seven days. Allow the seeds to warm up to room temperature, and put them in a seed tray with bottom heat until the seedlings develop.Learn more about Outdoor Plants & Flowers