“Gardens are not made by singing ‘Oh, how beautiful!’ and sitting in the shade.”
— Rudyard Kipling
Welcome to lavender season! If you have lavender in your gardens, you aren’t just growing a plant; you are managing a miniature essential oil factory. Many people plant lavender for the scent but feel a bit lost once the flower spikes actually appear. When do you pick them? How do you dry them? And why does the plant look so “woody” after a few years? Let’s walk through the annual “work-cycle” of your lavender and how to transition from a casual observer to a confident harvester.
The Annual Cycle: From Spike to Spent
Understanding the “bloom” is the first step to a successful harvest. Lavender doesn’t just “flower” all at once; it moves through distinct phases:
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The Budding Phase: Green or silver-grey spikes emerge from the foliage. The color is faint, and the “buds” (the tiny pods on the spike) are tightly closed.
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Color Show: The spikes begin to take on their characteristic purple, blue, white, or pink hue. The buds become plump, but no tiny petals have emerged yet.
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The Bloom: Small, individual flowers (corollas) begin to open, starting from near the bottom of the spike and progressing toward the top.
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Bloomed Out: Once the tiny petals shrivel and turn brown, the plant is “bloomed out.” While it still smells nice, the plant is now shifting its energy toward seed production rather than oil preservation.
Timing Your Harvest: The Right Moment for the Right Task
Timing is everything. Depending on what you want to do with your lavender, your “perfect day” for harvesting will change.
| Intended Use | Best Time to Harvest | Why? |
| Culinary Use | Tight Buds (Minimal florets open) | Best color and cleanest flavor; less “soapy” than full flowers. |
| Fresh Floral Design | 1/3 to 1/2 of florets open | Provides the best balance of vibrant color and a “flowery” look. |
| Dried Bundles | 1 or 2 florets open at the bottom | If you wait until full bloom, the buds will fall off (shatter) more easily when dried. |
| Crafts/Sachets | Full Bloom | This is when the oil concentration in the buds is at its peak. |
| Home Distillation | Full Bloom to “Just Fading” | To maximize oil yield, you want the plant to have finished its oil-making cycle. |
Harvesting and Drying: The Pro Technique
When you’re ready to harvest, grab a pair of sharp, clean bypass pruners or a hand sickle.
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Cut: Reach down into the plant and cut the stem long. You want to cut just above the first or second set of leaves, leaving plenty of green stem.
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Bundle: Group about 30–50 stems together. Use a rubber band to secure the end.
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Pro-Tip: As lavender dries, the stems shrink. String or twine will loosen and the stems will fall out, but a snug rubber band will contract with the stems, keeping them tight.
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Hang: Hang your bundles upside down in a cool, dark, and well-ventilated area.
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Darkness preserves the purple color (UV light bleaches it).
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Airflow prevents mold.
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Duration: Depending on your humidity, they should be “crisp” and ready in 2 to 4 weeks.
Post-Harvest Care: The “Why” and “How” of Pruning
This is the part many gardeners skip, and it’s the reason many lavender plants die young. Lavender must be pruned every year. If you leave the spent flower stalks on the plant, it signals the lavender to stop growing new foliage and start making seeds. This makes the plant “leggy,” weak, and prone to splitting open in the winter snow or rain.
When to Prune
The best time is immediately after your main harvest (usually mid-to-late summer). This gives the plant enough time to grow a “silver mound” of new leaves before the first frost, which protects the crown during winter.
The Technique: The “Half-Moon” Haircut
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Gather the plant: Think of the plant as a head of hair. Gather a handful of foliage in one hand.
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The Mounding Rule: Trim back the green growth by about one-third to one-half, shaping the plant into a tidy, rounded mound.
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Avoid the “Old Wood”: Look deep into the plant. You’ll see old, brown, woody stems with no leaves. During routine pruning, do not cut into this old wood. For many lavenders, if you cut too deep, you may end up with a permanent hole in your plant or kill it entirely. Some lavenders, mainly the L. angustifolia and L. stoechas cultivars, can tolerate a “hard pruning” into the “old wood”, but they need enough time to develop new growth before dormancy.
A Final Note
Lavender has a hardy, Mediterranean soul. It thrives on “tough love.” By harvesting at the right time and giving it a firm haircut every summer, you ensure your garden stays fragrant and your plants provide vibrant rewards for a decade or more. Don’t be afraid of the shears—your lavender will thank you for it next spring!
Contributed, edited & formatted by
Michael Lemmers & Christine Mulder
RavenCroft & Barn Owl Nursery
