How Far Apart To Plant Lavender

To know how far apart to plant lavender check how wide the variety you’re growing gets and then space accordingly. A good average spacing for lavender plants is 18-24″.

Check out “Different Types of Lavender” for an idea of the different types of lavender available and their common sizes.

SourceHow Far Apart To Plant Lavender In-Row SpacingHow Far Apart To Plant Lavender Rows
rareseeds.com18-24"
swallowtailgardenseeds.com12-18"
parkseed.com18-24"
Vermont University Extension24" apart or more for bigger varieties
Colorado State University18-36"
University of Arkansas 24"
UMass12-36"48"

Does Lavender Spread in the Garden?

Lavender spreads mostly by foliage growth. It starts out small and will spread into a 24″ wide plant or thereabouts.

Lavender will not spread on its own except with seed by the end of the season. It is not an invasive species. It can be spread through taking cuttings of the plant and then planting the cuttings as starter plants.

What Happens If I Plant Lavender Too Close Together?

If you plant lavender too close together not much will go wrong but it will be a waste of lavender plants/seed and soil nutrients and water. Basically the plants will grow together until they run out of space and then some of the plants will most likely die making room for others to grow bigger or they will just grow into smaller lavender plants.

How Do You Plant a Lavender Row?

To plant a lavender row make a line in the dirt where you’d like the row to be. If you’re direct sowing seeds space them every 9″ apart and then after they reach around 8″ tall thin the row down to a lavender plant every 18″.

If you’re transplanting lavender then you should space the seedlings every 18″ along the row. When you space the rows take into account how much room the plant needs as well as if you want to create a walkway in between the lavender plants.

Most lavender plants need 18-24″ of space to grow into so space them that far apart if you don’t need a walkway in between the rows and if you do need space to walk through them then add another 24″ or so.

Start Lavender Plants Indoors

To start lavender plants indoors fill a tray with potting soil. There are seed starter mixes available as well but potting soil works just fine. A seed starter mix is a lighter texture than potting soil so the small roots can travel through it more easily.

Using soil from the garden is generally frowned upon because of the possibility of weed seeds in the mix or some sort of bacteria or fungi. But if you have a lot of plants to start and you have good soil it’s an option.

To the right here is a soil block maker. You can fill up a container full of garden soil and use the block maker to make cubes of soil that you can plant in.

After you have your starter tray or starter pots filled up and ready to go use a pen or other tool to make a hole 1/2″-1″ deep for as many zucchini seeds as you want to plant.

Drop the zucchini seeds in the hole flat side down and cover them up with more soil. Next water the tray either gently from above or from below.

To water from the bottom up fill a tray with 1/4″ of water and then set in the starter tray or starter pots inside the tray. After about 30 minutes the water should have wicked its way up to the top and the soil should feel moist. Skip to 3:00 in the video below to see how to do this.

Feel how heavy the tray is before and after watering. Water the tray again when it is mostly dry.

Seeds need water to germinate. The water activates enzymes within the seed that start the germination process. The water also combines with proteins and starches present within the seed to form a soluble solution that the small seedling can use as nutrition. And it softens the seeds shell making it easier for the seedling to push through.

Along with having moisture present soil temperature is the most critical element for seeds to germinate. Lavender seeds will germinate with soil temperatures over 60 degrees but will germinate faster with a warmer temperature around 80 degrees.

This is the way it is with most seeds and is the reason that heating mats are used. If you do use a heating mat wait until about 30% of the seeds have sprouted and then move them off of the mat. The reason being that high soil temperatures are great for seeds to germinate in but seedlings prefer cooler temperatures between 55-75 degrees.

When the seedlings are big enough you can transplant them again into bigger pots or start to harden them off outside so they can acclimate to the outside conditions.

To harden plants off introduce them to the outdoors gradually. At first for 3 hours a day in a half shady area protected by the wind and gradually over a 7 day period or so have them outside for a full day.

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