The best place to plant French lavender is the sunniest, sharpest-drained spot in your yard. Pick a south-facing slope with gritty soil and full sun all day. This one choice decides if your plant thrives or dies in the first season.
I learned this through years of trial and error in three yards. My first try went in a level bed with rich soil and the plant rotted in six months. My second try went on a south-facing slope with gravel mixed in and the plant lived for eight years.
Knowing where to plant lavender starts with the plant's home roots. French lavender comes from the dry hills of southeast France. It grew on rocky slopes at 600 to 1,200 m (1,968 to 3,937 ft) of altitude. The soil there is thin, alkaline, and poor in food.
Your yard should match those wild conditions as close as you can get. The key lavender site requirements are three things: 8 hours of sun, sharp drainage, and a pH of 7.0 to 8.0. Miss any one of these and the plant fails over time. Hit all three and you get years of fragrant blooms.
South-Facing Slope
- Sun and warmth: A slope that faces south catches sun from morning to night and stays warm. This warmth mimics the Mediterranean home soil where the plant grows wild.
- Natural drainage: Water runs downhill fast and away from the root crown. This stops the wet-feet rot that kills more lavender plants than any other cause.
- Soil tip: Mix 2 inches of pea gravel into the top 8 inches of soil before you plant to push drainage even higher on heavy clay sites.
Raised Bed or Mound
- Lift the roots: A raised bed gets the root zone up out of soggy native soil. Aim for at least 12 inches of height above the surrounding grade for the best results.
- Soil mix: Fill the bed with a blend of two parts topsoil, one part coarse sand, and one part pea gravel for a sharp draining mix that lavender roots love.
- Layout: Space plants 24 to 36 inches apart in the bed so air moves through the leaves and dries them fast after rain or morning dew.
Gravel Garden or Patio Container
- Gravel beds: A bed of pea gravel 3 to 4 inches deep around the plant reflects heat, blocks weeds, and keeps the crown bone dry through wet stretches.
- Container pick: Choose a terracotta pot with at least one large drainage hole. Clay pulls extra water from the soil through its walls and helps drying.
- Patio placement: Set the pot on a sun-baked patio that gets warm in the morning and stays hot all afternoon for the best blooms and tight growth habit.
A solid full sun lavender location gives the plant at least 8 hours of direct sun per day. Watch your chosen spot from dawn to dusk on a sunny day. Track the shade pattern across the seasons too. A spot that gets sun in June may sit in shade by September as the sun angle drops.
Before you dig the hole, test the site with two cheap checks. Dig a hole 12 inches deep and fill it with water. If the water drains in under an hour, drainage is good. If it sits for hours, pick a new spot or build a raised bed. Use a soil test kit to check pH and aim for 7.0 to 8.0 for the best growth.
Skip the rich beds, the shaded corners, and the low wet spots near downspouts. These are the places where French lavender goes to die. Pick the hot dry forgotten corner where nothing else thrives and you have found the right home for your plant.
Read the full article: French Lavender: Complete Grower Guide
