Why should I prune my lavender?

When should I prune my lavender?

Okay, I'm in! How should I prune my lavender?

4 Replies to “Lavender Care: Fall Pruning”

  1. Bridget Frascella

    I have just begun to grow lavender this year 10 plants with dreams to have a field full but I am sadly down to 9 and fearful that it will soon be 8 because one has died. The branches began to brown at the base and the green leaves did not continue to grow. I have another one doing the same but still has green ends at the top. I thought it was water logged but when I dug it out the roots were dry and short. Any suggestions on how to save the others ?

    1. Rebecca Olson[ Post Author ]

      Bridget – I’m so sorry to hear that! I’m afraid that I’m not sure what the issue could be. If the other 8 plants near them are thriving, then chances are your watering and soil drainage are correct. It sounds like the roots didn’t develop, but without being there and seeing the plant, it would be very difficult to know why. I’m definitely not a master gardener or soil expert. There are a few (very rare) fungus that kill lavender, and a common soil pathogen phytophthora which kills a lot of lavender (but that presents as root rot and/or crown rot, which doesn’t sound like what you have.) It is possible you just got two plants that weren’t healthy even though they appeared to be when you bought them. I would contact the nursery where you got them, and ask for their advice/opinion on what to do. Hopefully they will offer replacement plants for you. Best of luck!

  2. Isabel

    Hello Rebecca, I just bought a potted fully blooming Spanish Lavender plant in mid February Arizona. I’m confused about when to first trim it. Shall I wait until after AZ summer or trim now and cut off all the blooms?

    1. Rebecca Olson[ Post Author ]

      Hello! Spanish lavender (lavandula stoechas) is slightly different than the more hardy angustifolia and intermedia species. For stoechas, I recommend you wait until the end of the bloom cycle, then deadhead (rather than doing a hard prune). Since it’s already blooming, you’ll likely get a second summer bloom. You can snip into the green of the plant, but I wouldn’t cut too far down so you don’t cut into new/second growth. If you want to prune and reshape this fall, you still don’t want to cut down as much as you would for the species I talk about in the blog. Stay in the green of the plant making sure to leave a few inches above the wood, and just reshape. Good luck!

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