Lavandula dentata
French Lavender
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French Lavender (Lavandula dentata) - Description
French Lavender (Lavendula dentata) is an evergreen shrub native to Spain. It is a tender perennial hardy in zones 8a-10b. In colder climates it should be grown as a container plant so it can be sheltered in the winter. French Lavender can be distinguished from other species by its jagged or dented leaf edges. Foliage has a fuzzy appearance and is silvery-green in color. French Lavender does not have the typical smell most associate with the genus. The smell is much more delicate than what most are use to smelling. Sometimes being described as something between the typical lavender smell and rosemary. Plants will reach sizes 1-3 feet tall and up to 4 feet wide. Plants have a purple flower color and bloom early summer through fall in the landscape. When grown in a greenhouse or areas that get no frost French lavender will flower year round. Generally this species is grown for it's ornamental value rather then for it herbal qualities.
French Lavender (Lavandula dentata) - Blooming
French Lavender (Lavendula dentata) will bloom year round provided it is given the right conditions. In temperate climates it will have flowers in all seasons but in places where winters get cool it blooms early summer to fall. It has purple flowers and blooms quite freely once established.When grown in a container plants bloom year round if given sufficient heat and sun in the winter. If a green house is available established plants will have copious amounts of blooms all year. When a green house isn't available a bright window will suffice. Be certain to rotate the plant every couple weeks so flowering is uniform around the plant.
French Lavender (Lavandula dentata) - Growth
French Lavender (Lavendula dentata) is a vigorous growing evergreen species that will grow year round when provided with the right conditions. It grows like a shrub reaching heights of 3 feet and can spread even farther out. It has fuzzy silvery-green fern like foliage with indentations or dents along the leaf edges. During the first year of growth plants should regularly be pinched at the tips of the stems to encourage good branching. After the first growing season when plants are well established they become very drought tolerant.
French Lavender (Lavandula dentata) - Planting
French Lavender (Lavendula dentata) is a drought tolerant plant preferring dry growing conditions. When transplanting into the landscape choose a location that gets partial to full sun. Be certain the soil is well draining and will not become saturated. Dig a hole twice the size of the root ball and deep enough that the top sits flush with the soil surface. Fill in the remaining space around the root ball with loose top soil and water in well.In areas that get colder then zone 8a French Lavender should be grown in a container so that it can be moved to protection in the cold months. Choose a well draining potting soil and a container with sufficient holes for drainage. Put the plant in a sunny location when moving inside to encourage the best growth possible.
French Lavender (Lavandula dentata) - Pest
Typically French Lavender (Lavendula dentata) suffers from diseases associated with too much water. If water or humidity is not excessive problems are minimal. Plants will get Fusarium, leaf spot, stem, leaf and root rots.
French Lavender (Lavandula dentata) - Interesting facts
The genus name Lavendula is derived from the Latin verb lavoor lavandus. When translated means to wash. Lavender was widely used in Roman baths. They believed it could treat insomnia, insanity and even aching backs.
French Lavender (Lavandula dentata) - Soil and irrigation
French Lavender (Lavendula dentata) is a drought tolerant plant that likes well draining neutral to alkaline soil types. Once established they can go very long periods with no water and still do very well. Only irrigate when soil has become dry. Too much water will cause the plants to rot out above and below the soil surface.When grown in containers choose a well draining potting soil that won't get too saturated when watered. Allow the plants to go through complete wet dry cycles between each irrigation. Be certain not to over water French Lavenders during the winter months keeping them dry as possible with out allowing them to wilt.
