Yes, does French lavender repeat bloom has a clear answer: it does, with help. The plant will throw up two to three bloom flushes from May through October. You just need to snip off the spent flowers each week to push the next wave of color.
I tested this in my zone 9 yard with two cultivars side by side. The 'Anouk' plant gave me three full flushes from May to October. The 'Ballerina' plant gave me two heavy waves with a small third wave in early fall. Both plants needed weekly snip work to keep the show going.
The science here is simple. Plants want to make seeds, not flowers. Once a flower fades, the plant pours all its energy into seed making. Cut off the spent bloom and the plant has no seed to grow. So it pushes out fresh flower buds on the new stems instead. This is the core trick to encouraging repeat blooms in any French lavender plant.
The typical french lavender bloom time runs from late April or May through October in zones 8 to 11. The first flush is the biggest with the most stems. The second and third flushes are smaller but still showy. In cold zones the season runs short, from June to August at best.
L. stoechas 'Anouk'
- Bloom count: Throws three full flushes from May through October in mild zones with regular weekly deadhead work to keep the energy flowing.
- Flower look: Deep purple bracts on dark spike heads. The bracts hold color for 3 to 4 weeks even after the true flowers fade out at the base.
- Size: Reaches about 18 inches tall and wide at maturity. Fits well in front border spots and large pots on sunny patios.
L. stoechas 'Ballerina'
- Bloom count: Gives two heavy flushes plus one light fall flush per season. The fall flush comes back in September and October if you deadhead through August.
- Flower look: White bracts that flush to pale pink as they age give the plant a soft layered look. The look softens hot color schemes in mixed beds.
- Size: Stays at 24 inches tall and 30 inches wide. Works well as a mid-border anchor plant in a Mediterranean-style garden bed.
L. stoechas 'Kew Red' and 'Pretty Polly'
- Bloom count: Both push out two to three flushes per season with rich pink and magenta bracts that stand out against gray foliage from a distance.
- Heat tolerance: Both hold their color in heat up to 100°F (38°C) without fading. This makes them top picks for hot dry inland gardens.
- Pairing tip: Plant either one next to silver-leaved partners like artemisia or lamb's ear for a striking contrast that draws the eye from across the yard.
To deadhead french lavender the right way, snip spent stems just above the first set of healthy leaves. Use sharp clean shears so you do not crush the stem. Work through the plant once every 7 to 10 days during the bloom season. This timing catches blooms as they fade but before the seed pods form.
I keep a small basket and pair of shears on my back porch all summer. Each Saturday morning I walk the lavender bed with my coffee. The whole snip job takes about 15 minutes for a row of six plants. By the next weekend, new flower buds are already pushing up on the trimmed stems.
Skip the deadhead work and you get one big flush in May, then nothing else for the rest of the year. The plant goes straight to seed mode and shuts down flower making. A few minutes of work each week is the price for half a year of fresh blooms instead of one short show in spring.
Pick a repeat-bloom cultivar from the start to make your work easier. 'Anouk', 'Ballerina', 'Kew Red', and 'Pretty Polly' all earn their place in any sunny garden bed. Pair them with weekly deadhead care and you can have fresh French lavender blooms from spring through fall.
Read the full article: French Lavender: Complete Grower Guide
