How To Care For Lavender Plant. Allow the soil to dry out between waterings but dont let it get so dry that the plant wilts. If your soil is heavy plant on a 20-30cm 8in-1ft mound ridge or in a raised bed where the roots will not sit in wet soil.
Lavender likes heat and many varieties wont survive a cold winter. Avoid soil moisture at all costs. Place your container grown lavender plants somewhere they receive full sun at least eight hours per day and water them sparingly.
To grow a French lavender hedge plant one stem every 12 to 16 inches 30 to 40 cm.
Add your Lavender plant and fill the pot with soil within a couple of inches of the top. Plant Lavender plants in full sun which means at the very least 6 hours or more as that is what this plant needs to thrive. Lavender likes heat and many varieties wont survive a cold winter. Water once the top inch of soil dries out fertilize twice per year and provide low humidity and moderate temperatures.