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A picture of a French Lavender

French Lavender

Lavandula dentata

Also known as

Fringed Lavender, Toothed Lavender, Sweet-Scented Lavender

Full Sun
Easy care
Light watering


RHS hardiness


Minimum temperature

Expected size








2 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has a strong fragrance

More images

A photo of French Lavender
A photo of French Lavender
A photo of French Lavender
Starr 070402-6270 Lavandula dentata
A photo of French Lavender


France was first to cultivate Lavandula dentata, thus it has the common name French lavender, amongst others! It has a bushy, spreading growth habit and typically grows to a maximum height of 1m and a maximum spread of 1.5m. Leaves are divided into a scalloped arrangement and linear to oblong in shape. This species is valued ornamentally rather than for its practical uses in medicine and the cosmetic industry, of which other species are better suited. Popular with landscapers for its grey-green foliage and sturdy purple blooms. Flowers are purple-blue in colour, semi-scented and borne on spikes above the foliage, up to 5cm long. They have showy purple bracts at the top of the spike.

Common problems

The plant is a natural repellent of many pest species, but you may find Rosemary Beetles, or Sage and Ligurian Leafhoppers. Lavender likes soil dry so is prone to root rot and leaf spot if conditions are too wet. Both can be prevented by letting the lavender bush dry out slightly in between watering.


Harvest flowers and leaves as needed, especially in summer.



Make 5 to 10 cm cuttings during the growing period. Place them in deep seed trays or six packs in a cold frame for two weeks or until rooted.


Select a long stem and remove 10 - 15 cm of foliage, leaving 10 cm at the tip of the branch. Cover the bare section with moist soil. Once rooted, cut new plants from mother plant and replant.


Seeds can be sown in Autumn, when ripe. Sow by sprinkling seeds over soil. Keep the soil moist and germination should take two weeks. Thin out too closely germinated plants or replant when they get a bit bigger.

Special Features

Attracts useful insects

Attracts bees and butterflies.

Repels harmful insects

Due to the high volatile oil content it repels moths, fleas, flies and mosquitoes.

Drought resistant

This highly drought resistant species can withstand many weeks without water.

Pot plant

Great pot plant as it can flourish in any sized pot in a sunny veranda, stoep or balcony.

Hedge plant

This can be used as a great hedge to create a formal border, or for a loosely planted wild looking hedge for any sunny spot.

Crop rotation

Light Feeder

Attractive flowers


Medicinal, teas, tussie mussies


Flavour herbal tea - often used as sweetner in the place of sugar!

Pest deterrent

Keep mice out of cupboards...