3-4 weeks
Simply so, does French lavender rebloom?
Pruning for Health and Reblooming Cut mature French lavender plants back by one-third to one-half if they don't seem to be getting off to a good start. In summer, limit your pruning to removing spent flower stems, which you can shear off all at once after a big flush of blooms to encourage reblooming.
Subsequently, question is, why isn't my French lavender flowering? If new growth does not appear, the lavender plant is too old and you should replace it. Spread an even layer of coarse sand or small gravel 2 inches thick under and around each lavender plant. This thick, heavy mulch promotes growth and therefore bloom production. Keep lavender foliage as dry as possible.
In respect to this, how fast does French lavender grow?
Flowers appear on long flower stems referred to as wands. The peak bloom time in France is early to midsummer. 'Provence' lavender is hardy in Zones 5 to 8 and grows 24 to 36 inches tall and wide. French lavender plants grow to form a mound that can reach 12 to 36 inches tall and 48 to 60 inches wide.
Should I cut back French lavender?
Pruning French lavender is possible, but must be exclusively performed on growth that still bears leaves. If you prune dry wood, it won't grow back… At the end of winter, prune as you wish, but follow the rounded shape of the plant. Avoid cutting off old growth, because those branches rarely send out new shoots.
Do I deadhead French lavender?
Lavenders thrive if pruned back fairly hard but never cut back into old wood as most lavender plants won't re-grow from this. Dead-head French lavenders throughout the summer as they'll flower continuously from May to September. Deadheading will also encourage more flowering through the season.How often does French lavender bloom?
Spanish lavender (Lavandula stoechas), sometimes known as French lavender, is the least hardy and most heat-tolerant of the lavender species. It thrives in USDA zones 8 through 9. In areas with mild summers and winters, it may bloom up to three times – in early May, June and late summer or early fall.How do you prune French lavender?
To prune, cut with secateurs. Ensure a good clean cut so that the lavender will always heal easily and is at less risk of winter loss. Cut at least two thirds of new growth back into the old wood. This leaves new shoots below the cut which is next season's new growth.How do you revive French lavender?
Apply 2 to 3 inches of chopped leaves or compost around your lavender in spring and fall to help improve soil conditions. Lavender plants need well-drained soil to grow well. Limit your watering because well-established lavender plants can grow well in drought-like conditions but they do not tolerate wet feet.When should you prune French lavender?
Left to their own devices, lavender can become woody and ungainly, so to keep plants compact and attractive, it's best to trim them annually in late summer, just after flowering has finished. Remove any spent flower stalks and about 2.5cm (1in) of leaf growth.What is the difference between English and French lavender?
French lavender is large and will grow from about two to three feet (60-90 cm.) tall and wide, while English lavender stays much smaller and more compact, although it may grow up to two feet (60 cm.). Bloom time. The flowers on these plants are similar in size, but they last much longer on French lavender.Is French lavender good for bees?
French lavender (L. stoechas), by the way, is about on a par with L. angustifolia. Most gardens are good for pollinators already, but clearly they could be even better.Is French lavender edible?
Lavender Varieties Most lavender purchased commercially today comes from one of two species. The first is Lavandula X Intermedia. This species is often referred to as lavandin or French lavender in the United States. Thus, varieties in the species Lavandula X Intermedia are not often considered edible lavender.What is French lavender?
French lavender is similar to English lavender in size, but the leaves are distinguished by square-shaped teeth along the edges -- the species name dentata comes from the Latin word for "having teeth." The flowers of French lavender are usually purple or violet.Should you cover lavender in winter?
If you live where subfreezing winter temperatures are common, it's helpful to cover your lavender plants with evergreen boughs once you've had your first frost and the ground is cold. The covering also provides protection from cold winter winds that can dry out the plants and cause die-back of stems.Is French lavender Evergreen?
French Lavender plants (it's also sometimes called Spanish Lavender) makes an attractive low hedge, purple flowers with large bracts that look like bunnies ears stand proudly against grey-green foliage. A fragrant evergreen, Lavandula stoechas makes a delightful, colourful display.Do bees like lavender?
Lavender and bees are, simply put, very good friends! But, simply put, bees love lavender in bloom, as they love anything in bloom where they can get nectar or pollen.What color is lavender?
purple
How fast does lavender spread?
Cover "Provence Blue" seeds only lightly with soil when planting. Seeds may take two weeks or more to germinate and several months to reach transplantable size, or about 3 inches tall. Once transplanted into the garden, lavender grows several inches per year, flowering in the second or third year after transplant.Can you cut lavender right down?
The consensus about clipping lavender plants is that the leafy, silver-green stems should be cut down to two or three buds above where it becomes hard and woody (i.e. leaving about 2cms of the year's soft growth). There is a bit of a phobia about cutting into the woody part of the plant.Is Lavender a flower?
Lavandula (common name lavender) is a genus of 47 known species of flowering plants in the mint family, Lamiaceae. The most widely cultivated species, Lavandula angustifolia, is often referred to as lavender, and there is a color named for the shade of the flowers of this species.Why is my lavender plant not purple?
Because of its Mediterranean origin, lavender loves blazing hot sun and dry soil. If your lavender doesn't thrive, it's most likely due to overwatering, too much shade, and high humidity levels. If your winters are too harsh or your soil is heavy and dense, consider growing lavender in containers. 
