7 Reasons Your Lavender Is Not Flowering - Backyard Boss
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7 Reasons Your Lavender Is Not Flowering

Lavender is a stunning plant that produces gorgeous blooms in a variety of colors. However, sometimes lavender plants can fail to flower. Has your lavender plant been looking a bit underwhelming lately? Don’t worry; you’re not alone. A lot of people have trouble getting their lavender plants to flower.

But don’t give up yet! There are plenty of things you can do to get your lavender blooming like wild. Check out these seven reasons why your lavender might not be flowering and see if any of them apply to you. With a bit of TLC, you’ll have those flowers blooming in no time!

Insufficient Light

Young Woman Smelling Lavender Flowers in Garden
Image credits: Syda Productions via Canva

Lavender is a beautiful, fragrant herb that can add a touch of elegance to any garden. However, if your plant isn’t flowering, it may be due to insufficient light.

Lavender requires at least six to eight hours of direct sunlight each day to bloom properly. If your lavender is planted in an area that doesn’t get enough sun, it may not produce any flowers.

To ensure that your lavender gets enough light, you may need to move it to a sunny spot in your yard or garden. You can also try growing lavender in a pot so that you can move it around as needed to get the right amount of sunlight.

With proper care and attention, your lavender should bloom in no time!

Fusarium Wilt

Basil bush with leaves affected by fusarium. Garden plant diseases, farming season
Image credits: Abduramanova Elena via Shutterstock

Fusarium wilt is a soil-borne pathogen that infects the roots of plants, causing them to wilt and die. The fungus multiplies in the presence of moisture and warm temperatures, so it’s important to take measures to prevent its spread. A typical initial warning sign of fusarium wilt is your plants recovering from wilting at night.

If you suspect your plant has fusarium wilt, remove it from the garden immediately and dispose of it in a plastic bag. Be sure to disinfect all tools and gloves that come into contact with the plant.

To prevent the spread of fusarium wilt, water your plants at the base rather than from above, and be sure to clean up any plant debris from your garden promptly. Additionally, too much nitrogen has been known to cause or exacerbate fusarium wilt, so avoid overfeeding your lavender plants.

With proper care and prevention, you can enjoy the beauty and fragrance of lavender for years to come!

Root-Knot Nematodes

Root-Knot Nematodes
Image credits: Vinod Singh Mehra via Shutterstock

These tiny, parasitic creatures reside in the soil and feed on the roots of plants, causing them to become stunted and preventing them from taking up nutrients properly. While root-knot nematodes are a problem for many gardeners, there are some things you can do to combat them.

One way to control root-knot nematodes is to solarize your soil. This involves covering the affected area with clear plastic for several weeks during the summer, allowing the sun’s rays to penetrate the soil and kill the nematodes. You can also try planting resistant crops such as French marigolds, which produce chemicals that deter nematodes from feeding on their roots.

If you have root-knot nematodes in your garden, don’t despair! You can get rid of them with a bit of care and attention and enjoy a healthy, blossoming lavender plant once again.

Poor Soil and Drainage

Mixing soil for cultivation by hand Ingredients have Black clay with Coconut Spathe Chopped and Rice hull ash
Image credits: PasSaKorn22 via Shutterstock

Clay soil is notorious for its poor drainage. This can be a real problem for lavender, as the plant needs well-drained soil to thrive. If your lavender is not flowering, it could be due to clay soil.

There are a few things you can do to improve the drainage of clay soil. One is to add organic matter, such as compost. This will help to loosen up the soil and improve drainage. Another option is to plant your lavender on raised beds filled with sand. This will ensure that your lavender has good drainage, even if the surrounding soil is heavy and poorly drained.

With proper care and attention, your lavender should begin to flower beautifully in no time!


Watering can waters the lavender flowers that grow on the balcony.
Image credits: Jaumigs via Shutterstock

Overwatering can cause the plant’s roots to rot, which prevents the plant from taking up water and nutrients. This can lead to yellow leaves, fungus, stunted growth, and eventually, no flowers.

If you think your lavender is overwatered, stop watering it for a few days and see if the plant improves. If not, you may need to replant it in new, well-drained soil.

To prevent overwatering in the future, water your lavender only when the soil is dry to the touch. And be sure to plant it in a location that has good drainage.


lavender and pruning shears in a basket
Image credits: Proxima13 via Shutterstock

If you love lavender, but your plants aren’t flowering, it could be due to under-pruning. This plant blooms on new growth, so if you don’t prune it back each year, it will become woody and won’t produce flowers.

Lavender should be pruned twice a year: once in spring and then again in late summer. This helps encourage new growth and a bountiful crop of flowers.

Late Frost

Lavender in the snow
Image credits: Katrin Hauf via Unsplash

If your lavender is not flowering, it may be due to late frost damage. While this perennial is a hardy plant that can withstand some cold weather, late frosts can damage the flowers and prevent them from blooming.

To prevent this issue, make sure you select a lavender variety that’s suitable for your climate. And, if you live in an area with a risk of frosts, it’s essential to protect your plants from the cold by covering them with a light cloth or blanket. Depending on how cold your climate is, you may need to avoid watering your lavender during periods of cold weather, as this can further damage the flowers.

Help Your Lavender with Some TLC

Have you been struggling to get your lavender plants to flower? If so, don’t worry — you’re not alone! Lavender can be a fickle plant; sometimes, it just doesn’t want to cooperate. But never fear — check whether one of the solutions from this list above is appropriate for you. Do you have any tips or tricks that have worked well for you? Share them in the comments below!