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Growing Lavender From Seed

By Jeanne Grunert (JGrunertFebruary 5, 2014

With its exquisitely sweet scent and colorful blue and purple blossoms, lavender has been prized by gardeners since ancient times. While most home gardeners today grow it more for its beauty and fragrance than for its perfume oils, lavender remains a popular fragrance for home and garden use. With patience and the right garden conditions, you can add lavender to your borders and flower beds inexpensively by growing it from seed.

Gardening picture

Growing Requirements

Before investing the time and resources into growing lavender from seed, make sure that your garden in suitable for lavender cultivation. Lavender requires well-drained soil and bright, full sunshine in order to thrive. It's a Mediterranean plant that likes hot, dry conditions. Give it too much pampering, and it sulks. If you have a spot in the garden that seems to bake under the hot summer sun, consider planting lavender there. A lavender hedge, used to edge a walkway or surrounding a rose garden, is a classic use of this timeless perennial. Lavender can also be grown in pots, window boxes and herb gardens.

Lavender Varieties from Seeds

Lavender isn't the easiest plant to start from seed. Some varieties, in fact, cannot be grown from seed and require stem cuttings. If you're new to starting seeds, you may want to start your lavender collection with potted plants purchased from your local garden center or from a reputable mail order source.

Lavender seeds can be purchased at home and garden centers or through mail order catalogs. The most common varieties started from seed include 'Hidcote Blue' and 'Munstead', both of which are varieties of English lavender (Lavandula angustifolia). Each of these classic varieties blooms abundantly and provides a strong, sweet fragrance.

Preparation for Seed Starting

It is easiest to start lavender from seed indoors 8 to 12 weeks before the last estimated frost date for your gardening zone. Give your seeds plenty of time to germinate and develop. Lavender is slow to start from seed. A simple plant light suspended over a table provides adequate illumination to germinate lavender seeds. A timer attached to your plant lights can be a lifesaver on busy days, ensuring that the seeds and eventual seedlings receive the necessary 12 to 14 hours of light each day.

Because lavender likes hot weather, a seed starting mat will help the seeds germinate more quickly. These special mats are waterproof and moisture resistant, and provide steady, even heat to seed trays. You can find them through online stores, catalogs and garden centers.

You can use seed starting trays or pots to grow lavender from seed. Make sure that the containers you use have adequate drainage holes, and sterilize any containers or trays you're re-using from previous years before planting your lavender seeds. To sterilize containers, mix one cup of household laundry bleach in one gallon of water and soak the pots or trays for 10-15 minutes. Remove and rinse with clear, cool water until all traces of the bleach solution are gone. This kills any microorganisms lurking about from previous years. Be sure to use the bleach solution in a well-ventilated area.

The best potting mix for lavender is one that offers excellent drainage. Use sterile seed starting mix available from the garden center. You can mix more vermiculite into the seed starting mix to increase the drainage. Avoid mixes with added fertilizers or excess peat, which increases moisture.

Starting Lavender Seeds

Fill the clean seed trays or pots with soil mixture, and add one or two lavender seeds per pot or seed starting cell. Gently press them into the soil with your finger, but make sure they're not completely covered; lavender seeds need light to germinate. Use a spray bottle to mist the seeds, and then place them on the heating mats and under lights. Mist the seeds every day so that they are slightly damp, but not wet. Set your light timer and make sure that the seeds and seedlings receive at least 12 hours of light per day.

It will take at least two weeks before lavender seeds germinate, and they do not look like mature lavender plants when they finally emerge. They tend to look like blades of grass when they finally do sprout, but eventually you'll start to see them develop the traditional needle-like lavender leaves.

Be patient, as some varieties take a little longer than others to sprout. Once the seeds germinate, water lightly with a watering can when the soil becomes dry. Keep the seedlings warm and provide plenty of bright, full light until they grow several sets of leaves.

Hardening off the Seedlings

Before planting the seedlings in the garden, it's important to acclimate them to the outdoors, a process called "hardening off." Once all danger of frost is past, bring the seedlings outside during daylight hours. Keep them in partial sunlight for the first few days, and water well. Bring them indoors at night. Repeat this process, making sure the plants receive adequate light and moisture, for at least one week before planting the seedlings in the garden. This helps your seedlings adjust more easily to garden conditions after growing under controlled indoor conditions.

With its heady fragrance, beautiful color and ability to attract pollinators to the garden, lavender deserves pride of place in your flower beds, containers or borders. If you have full sunlight and are ready to try your hand at growing lavender form seed, with a little patience and luck you may have beautiful plants this summer.

  About Jeanne Grunert  
Jeanne GrunertJeanne is a contributing writer for Dave's Garden. She is an award-winning writer, blogger and content marketer with over 20 years of experience. She is the author of "Get Your Hands Dirty! Grow a Great Garden" and is a Virginia Master Gardener. Read her gardening blog at or follow her at Google

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