What should not be planted near lavender?

Published: Mai 05, 2025
Updated: Mai 05, 2025

Lavender's survival is based on avoiding overly wet soil and neighbors that are too competitive. I planted mint next to lavender once, and in just a few months, the aggressive roots of the mint choked my lavender out. Choose any Mediterranean herbs, like rosemary or sage that do not need much moisture or nutrients to thrive, and they do not bully their neighbors.

Moisture-Lovers

  • Ferns collapse in dry soil
  • Hostas attract slugs
  • Mint spreads invasively

Heavy Feeders

  • Tomatoes demand nitrogen
  • Peppers need rich soil
  • Basil wilts without compost
Lavender Companions vs. Foes
Good CompanionsRosemaryBad CompanionsMintCompatibility
Low
Good CompanionsThymeBad CompanionsFernCompatibility
High
Good CompanionsYarrowBad CompanionsBasilCompatibility
Moderate
Compatibility based on shared sun/soil needs

Drought-tolerant companions such as sedum or sage support lavender in reducing fungal disease opportunities by providing airflow. My garden in Arizona has lavender paired with agave, as their spiky leaves help deter deer, while the gravel mulch reflects heat into both plants mimicking their native gravelly rocky slopes.

Don't plant herbs or vegetables next to lavender. The humidity created by cucumbers and squash brings about powdery mildew. Plant a border of marigolds around the bed. The roots interfere with pests, plus the fragrance is lovely. A recent client had an infestation turn into bliss after replacing their tomatoes with marigolds.

Read the full article: How to Grow Lavender: Complete Expert Guide for Success

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