Lavandula Angustifolia (Lavender) - 50 seeds
Growing lavender from seed is a great way to fill your perennial bed with refreshing fragrance and beautiful color.
Start the seed early and place the seed tray on a heat mat or in a warm location so that your lavender seeds germinate well. Rather than a traditional potting mix, use a very light mix or fine vermiculite that drains very quickly. The seedlings will germinate in about two weeks and will take a while to look like lavender. Make sure that the lavender seedlings get sufficient water, but do not let them stay damp, and place them in full sunlight for maximum health.
Perennial zones 5-9 - space 15 inches apart
Lavender germinates most evenly if seeds can be collected in the autumn and sown on the surface of a seed tray with bottom heat maintaining 4-10°C (40-50°F). The seedlings are then overwintered in a cool greenhouse or cold frame with good ventilation. Seedlings can then be potted on as needed.
Another method is to start the seeds indoors in February planting a few seeds in a few pots with sterilized seed starting mix. Dampen the mix, press the seeds into the surface, insert the pots into plastic bags, and put them in your freezer for 2-7 days. Let them come to room temperature on their own, and then use bottom heat as indicated above.
Barely cover the seed, as they germinates in 14-21 days in warm soil. Do not use a plastic lid or covering because this will make the surface of the soil too moist. If watering is necessary, water from below. If germination is low after 3-4 weeks, lower the temperature to 5-10°C (40-50°F) for 2 weeks, then raise it again. Pot up the tiny seedlings and grow them on in a protected greenhouse or windowsill to set into the garden in the spring.
Lavender prefers full sun and well drained, fertile soil. Trim plants back hard in spring, just as new growth starts – but never prune back into the woody part of the stems. This will give a rush of even growth for the first leaves and bloom. Cut back again in early autumn, but again – never into old wood