
French lavender plants are relatively low maintenance, but they still require some TLC to thrive. They prefer well-drained soil and full sun to partial shade.
To plant your French lavender, choose a spot with good air circulation to prevent fungal diseases. Plant the lavender in the spring or fall, when the weather is cooler.
French lavender plants can tolerate some drought, but they'll perform best with regular watering. Water them deeply once or twice a week, depending on the weather.
With proper care, French lavender plants can grow up to 3 feet tall and wide. They're a great choice for gardeners of all skill levels.
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Plant Care Basics
Planting French lavender in the spring allows it to establish itself before the heat of summer. This gives it a head start on growth and helps it thrive throughout the year.
French lavender loves to be planted in fast-draining, nutrient-poor, alkaline soil. This type of soil helps prevent waterlogged roots and promotes healthy growth.
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To give your French lavender the best chance at success, plant it in a spot that gets at least 6 hours of direct sunlight per day. This will help it soak up the warm rays and stay healthy.
If your French lavender is potted, make sure to water it sparingly. A 5" pot requires only 0.5 cups of water every 9 days when it doesn't get direct sunlight.
Here are some key plant care basics to keep in mind:
- Water sparingly, especially in pots
- Provide at least 6 hours of direct sunlight per day
- Plant in fast-draining, nutrient-poor, alkaline soil
- Repot every 1-2 years to refresh the soil
Lighting and Temperature
French lavender needs plenty of light to grow and thrive, so choose a spot that gets at least 6 hours of direct sunlight per day.
It loves to sunbathe and soak up the warm rays, so don't be afraid to put it in the sunniest, hottest place in your garden.
High humidity is another enemy of the French lavender plant, so think of the dry, warm areas of the Mediterranean where this plant is native.
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French lavender cannot handle frost, snow, or freezing temperatures, so if you live in an area with harsh winter temperatures, consider planting in the fall.
Place your French lavender less than 1ft from a south-facing window to maximize the potential for growth.
French lavender does not tolerate low-light, so make sure it's in a spot that gets plenty of sunlight.
The hottest, sunniest corner of your yard is where lavender will be happiest, according to horticulturist Nathan Heinrich.
Lavender does not need shade, but it can tolerate morning shade as long as it gets plenty of sun during the afternoon hours.
French lavender flourishes in sunny, dry conditions, so choose a spot that fits those requirements.
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Soil and Fertilization
French lavender prefers well-draining soil that is slightly alkaline, and it doesn't like soil that's too moist. To achieve this, you can add gravel mulch to the top of your soil.
French lavender thrives in poor soil conditions, so there is no need to fertilize. In fact, too many nutrients can harm the plant, causing leggy, yellowed foliage and few flowers.
To give your French lavender a boost, you can fertilize it once a month during the spring and summer growing season with a balanced, all-purpose fertilizer. However, avoid fertilizing in the winter when the plant is dormant.
Here are some tips to keep in mind when fertilizing your French lavender:
- Fertilize once a month during the spring and summer growing season.
- Avoid fertilizing in the winter when the plant is dormant.
French lavender is a low-maintenance plant that can thrive in poor soil conditions. By following these simple tips, you can give your French lavender the best chance to succeed.
Soil
French lavender prefers well-draining soil that's slightly alkaline. It's essential to avoid nutrient-rich soil, as it can hinder the plant's growth.
Gravel mulch is a great option for topping the soil around French lavender, helping to drain away excess water and moisture. This is especially useful if your soil tends to retain too much moisture.
If you have heavy or clay soils, amend them with small-sized bark mulch, pea gravel, or sand to improve drainage. This will help your French lavender thrive in its new environment.
French lavender doesn't like soil that's too moist, so make sure your pot has plenty of drainage holes to prevent waterlogging.
Soil and Fertilization
French lavender is a low-maintenance plant that thrives in poor soil, so fertilization is not necessary. However, if you want to give it a boost, you can fertilize it once a month during the spring and summer growing season with a balanced, all-purpose fertilizer.
It's essential to choose a potting soil that drains very well and doesn't retain too much moisture, as French lavender is very sensitive to wet soil. A good soil will have lots of perlite or vermiculite for drainage and some organic matter for nutrition.
French lavender prefers well-draining soil that is slightly alkaline, so if you're planting it in a trough, window box, or decorative pot, make sure the pot has plenty of drainage holes to prevent waterlogging.
To replenish French lavender's nutrients, repot it after it doubles in size or once a year, whichever comes first. This will give the plant a chance to establish itself in fresh soil and receive the necessary nutrients for healthy growth.
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Here's a quick rundown of the ideal soil conditions for French lavender:
- Dry, well-draining, alkaline soil is essential for the health of French lavender.
- Gravel mulch is a great option for topping the soil around French lavender to improve drainage.
- Heavy or clay soils should be amended with small-sized bark mulch, pea gravel, or sand to improve drainage.
By following these simple tips, you'll be well on your way to creating the perfect soil conditions for your French lavender to thrive.
Watering and Irrigation
Watering your French lavender plant is a delicate balance between giving it enough moisture and not overwatering it. French lavender is extremely drought-tolerant and prefers to grow in dry conditions, so you'll likely not need to water it unless in cases of extreme heat and drought.
Water your French lavender plant when the top layer of soil is dry to the touch. During the growing season, water it once a week, and in the winter, cut that back to every 2-3 weeks. Overwatering can cause root rot, which can be fatal to the plant.
To keep the substrate evenly moist but not wet, water your French lavender plant regularly but make sure not to overdo it. If your French lavender is cultivated in a pot, more regular watering is required.
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To replenish your French lavender plant's nutrients, repot it after it doubles in size or once a year—whichever comes first. This will give it a fresh supply of nutrients and help it grow and thrive.
Here are some tips to keep in mind when watering your French lavender plant:
- Water it once a week during the growing season
- Cut back to every 2-3 weeks in the winter
- Keep the substrate evenly moist but not wet
- Repot your French lavender plant every year or when it doubles in size
By following these tips, you'll be able to give your French lavender plant the right amount of water and help it grow and thrive.
Pruning and Propagation
Pruning is essential for French lavender, as it encourages new growth and keeps the plant's shape. It's best to prune the plant in early spring before new growth appears.
To prune, trim off any dead or damaged branches and cut back the remaining branches by about one-third of their length. You can prune again in September once the plant is finished flowering.
French lavender can be propagated from cuttings, which can be taken in the spring after the plant has bloomed. Cut a stem where the new growth meets the old growth, and remove any flowers and leaves on the lower half of the stem.
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Alternatively, you can sow seeds in a warm house from mid-February to plant outside as strong seedlings from mid-May. However, be careful not to sow seeds in open ground before June, as they need plenty of heat and light to germinate.
Here's a quick guide to pruning and propagation:
Pruning
Pruning is essential for maintaining the health and appearance of your French lavender plant. Prune in the fall in regions with mild winters, or at the end of winter into early spring after the last frost has passed in other regions.
Pruning helps the plant maintain a pleasing and well-defined shape. Using sharp shears, round out the plant to the desired shape, but avoid old, woody growth and only prune the young, soft growth.
French lavender requires an annual pruning to keep your plants looking their best. Prune in early spring if you live in a temperate climate with cold winters, or in late summer to early fall if you live in a warm climate with year-round blooms.
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Cut plants back to about knee height or to the point on the stem where the gray-green stems and shoots become brown and dead-looking. If your lavender has healthy-looking growth down to the roots, cut the plant back by half its current size.
Pruning in early spring is best, as it encourages new growth and keeps the plant's shape. However, if your lavender has sparse or no flowering in the summer, pruning can still be done to stimulate flower formation.
Cut off half to two-thirds of the shoot length in early spring, at the beginning of budding. This will help the plant become more bushy and promote new growth.
Deadheading is also important for French lavender, as it encourages new blooms to form. Remove spent flowers throughout the summer to promote continuous blooming.
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Propagating
Propagating French lavender is a great way to share this lovely plant with friends and family, or to create more plants for your own garden. You can easily propagate French lavender from cuttings, which can be taken right after the plant has bloomed in the spring.
To take cuttings, cut a stem where the new growth meets the old growth using clean snips. If there are any flowers, trim them off, and then remove all the leaves on the lower half of the stem cutting.
You can gently press the cut end into a pot filled with well-draining potting soil or horticultural vermiculite, covering the stem up to the point just below where the leaves begin. Alternatively, you can place your cuttings in a glass of water until roots develop, making sure the water doesn't touch the leaves.
French lavender can also be propagated by sowing seeds, which require plenty of heat and light to germinate. Seeds should not be sown in open ground before June, and should not be covered with a layer of substrate that protects against drying.
Here are some specific conditions for sowing seeds:
- Fill small pots with potting soil, sprinkle a few seeds on top, and then lightly cover the seeds with soil.
- Overwinter the pots in a cool place, such as in a cool greenhouse, or start the seeds indoors by placing the pots in a refrigerator for a few weeks.
- Keep the soil lightly moist, but do not cover the seeds with plastic.
- When seedlings are large enough to handle, transfer them to their own pots or plant in the garden in the spring.
It's worth noting that plants grown indoors from seeds are susceptible to sunburn and should be initially placed in a rather shady spot when moved outside.
Potting and Repotting
French lavender does well when grown in pots, especially terracotta pots, since the porous material wicks away moisture and keeps the soil on the drier side.
You'll need to repot your French lavender yearly to accommodate new growth, and the plant may top out with a pot size of about 12 inches in diameter.
Potted lavender might need to be fertilized with a light fertilizer during the growing season, so add sparingly if you choose to fertilize.
If you live in a cold winter area, it's vital to move your French lavender indoors to protect it against harsh conditions and dropping temperatures.
French lavender doesn't need to be repotted often, but if it starts to outgrow its current container or the soil becomes too compacted, it's time to repot.
Choose a pot that's slightly larger than the current one and use fresh potting soil when repotting your French lavender.
Overwintering and Storage
French lavender can survive temperatures down to -5 °C without frost damage, but it's still a good idea to bring the pot indoors before the first frost if you live in an area with harsh winters.
To overwinter potted plants, keep the pot in a cool area with enough bright light, and only water sparingly throughout the winter to keep the plant alive.
In areas with mild winters, you can keep your French lavender outdoors, but make sure to prune before winter and clear away any dead, organic material that will hold moisture.
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Overwintering
Overwintering is a crucial step in caring for your French lavender plants. Bring the pot indoors before the first frost if you live in an area with cold winters.
French lavender can survive temperatures down to -5 °C without frost damage. This means you can still keep your plants outdoors in areas with mild winters.
To keep your potted plants alive during the winter, water sparingly, only providing enough water to keep the plant alive. For plants kept indoors, a cool area with bright light is ideal.
Clear away any dead, organic material that will hold moisture from your plants before winter. This will help prevent rot and keep your plants healthy.
If you're keeping your plants indoors, place them in a bright spot in the house. This will help them stay healthy and thrive during the winter months.
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Storing and Drying
Air-drying is a great way to preserve French lavender. Hang the cut shoots upside down in a dry, well-ventilated room for about two weeks and it'll be ready to use.
However, some of the intense flavors are lost through this process. French lavender can be preserved with more of its scent and flavor intact by pickling it in oil. All parts of the plant must be covered with oil to prevent the formation of mould due to contact with the air.
Pests and Diseases
French lavender is a natural repellent for insects like aphids, so you don't have to worry too much about pests. However, it's still a good idea to keep an eye out for common issues like spider mites, mealybugs, and fungal diseases.
Overwatering is a major problem for French lavender, as it can lead to root rot. Make sure to water sparingly, especially when the plant is young or in extreme heat and drought.
Powdery mildew is another issue that can arise in humid climates or with wet soil. To prevent it, ensure you have well-draining soil and avoid overwatering.
If you notice any signs of pests or disease, treat the plant with an insecticide or fungicide as soon as possible. This will help prevent the problem from spreading and causing more damage.
In some cases, aphids can be hosed off with a strong stream of water, but make sure to check back and see if beneficial insects have arrived to make a meal of them.
Blooming and Harvesting
French lavender typically blooms from May through September, but in warmer climates, it can bloom year-round. This beautiful plant shows off its purple flowers from spring through fall, making it a lovely addition to any garden.
To encourage continuous blooming, it's essential to dead-head French lavender flowers throughout the summer. This means removing the spent flowers to allow the plant to focus its energy on producing new blooms. By doing so, you can enjoy a constant display of flowers from May to September.
To harvest French lavender, wait until about half of the small spike-shaped flowers are open. This will help you get the most out of your harvest and ensure the flowers retain their fragrance and color.
How to Reach Bloom
French lavender will normally bloom in the early spring, but there are some regions where bloom time lasts longer.
In warm climates, French lavender can bloom year-round, which is a great bonus for gardeners who live in these areas.
French lavender commonly blooms from May through September, which is a beautiful sight to behold.
To encourage continuous blooming, it's essential to dead-head French lavender flowers throughout the summer, from May to September. This will help the plant focus its energy on producing new blooms.
Deadheading also allows you to enjoy the spent flowers in other ways, such as making a fresh bouquet or air-drying them to create fragrant sachet bags.
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What do flowers look like and smell like?
As you start to explore the world of blooming flowers, you'll notice the unique characteristics of each type. French lavender flowers are purple in color.
The sweet yet woodsy smell of French lavender flowers is particularly distinctive.
Harvesting

Harvesting is a crucial step in enjoying your homegrown herbs. French lavender flowerheads are best harvested when about half of the small spike-shaped flowers are open.
For some herbs, like French lavender, the leaf tips can be harvested at any time as needed, making them a convenient addition to various dishes.
Caring After It Blooms
Caring for your French lavender after it blooms is crucial for its health and future blooms. Prune the plant after blooming to increase the chances of the best blooms the following year.
Make sure not to cut back the plant down to the wood base, as it will not return. Deadheading French lavender flowers throughout the summer is also essential, as it will encourage new blooms to regenerate.
To deadhead, simply remove the spent flowers, and you can use them to make a fresh bouquet or air dry them to create fragrant sachet bags.
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