Lavender is one of the most beloved plants in the garden — and one of the most frequently killed. The gap between "thriving lavender hedge" and "dead lavender stump" often comes down to a single factor: drainage. Get that right and almost everything else follows naturally. This guide covers the major lavender types, how to choose the right variety for your climate, soil and care requirements, and how to harvest and dry lavender bundles that hold their scent for months.
English vs French vs Spanish Lavender: What's the Difference?
English lavender (Lavandula angustifolia) is the gold standard for cold-hardy, fragrant lavender. It's the type used in culinary applications and for highest-quality dried bundles. English lavender is hardy to zones 5–8, produces the most intensely fragrant flowers, and is the best choice for most North American gardeners. Key varieties include Hidcote, Munstead, and Phenomenal.
French lavender (Lavandula dentata) has serrated, grey-green leaves and blooms nearly continuously in warm climates. It's less cold-hardy (zones 7–10) and has a lighter, somewhat camphor-tinged fragrance compared to English types. It makes a lovely ornamental but isn't the best choice for culinary or craft use.
Spanish lavender (Lavandula stoechas) is instantly recognizable by its distinctive "bunny ear" petals at the top of each flower head. It blooms early in spring and again in fall in mild climates. Like French lavender, it's less cold-hardy (zones 7–10) and has a stronger, more resinous scent. It's excellent as a container plant in northern gardens if you can overwinter it indoors.
Choosing the Right Variety: Hidcote, Munstead, and Phenomenal
Hidcote is a compact English lavender reaching 12–18 inches tall and wide. Its deep purple flowers are among the darkest of any lavender variety, making it particularly striking in the garden. Hidcote is one of the most popular lavenders for good reason — reliable, tidy, and cold-hardy to zone 5. It's ideal for edging, low hedges, and containers.
Munstead is slightly smaller than Hidcote (10–15 inches) with lighter purple-blue flowers. It blooms earlier in summer and is known for being one of the first English lavenders to flower each season. Munstead is extremely cold-hardy (zone 5, sometimes 4 with protection) and has excellent fragrance. A great choice for short-season climates.
Phenomenal is the newer standout for challenging climates. Developed for superior cold hardiness and disease resistance, it handles both -20°F winters and hot, humid summers better than most lavenders — making it a game-changer for zone 5 gardeners and those in the humid Southeast who have struggled with other varieties. It grows larger than Hidcote or Munstead (2–3 feet) and produces a generous flush of medium-purple flowers.
Soil Drainage: The Non-Negotiable Requirement
Lavender originates from the rocky, well-drained slopes of the Mediterranean and thrives in conditions that would stress most garden plants. The single most important requirement is fast-draining soil. Lavender sitting in waterlogged or even consistently moist soil will develop root rot and die — often over a single wet winter rather than immediately.
Ideal soil is sandy or gravelly loam with a pH of 6.5–7.5 (slightly alkaline). If your soil is clay-heavy, the two best solutions are raised beds (which give you complete control over soil mix) or significant amendment with coarse sand and gravel before planting. Avoid peat-based amendments, which hold moisture.
In containers, use a well-draining cactus mix or blend standard potting soil 1:1 with coarse perlite. Make sure every container has ample drainage holes. Gravel mulch on the soil surface around lavender — rather than organic mulch — improves drainage at the crown and reflects heat upward, which lavender appreciates.
Full sun is equally important: 6–8 hours of direct sun minimum. Lavender planted in partial shade produces fewer flowers, grows more open and leggy, and is more susceptible to disease.
Pruning and Deadheading Lavender
Proper pruning keeps lavender compact, productive, and long-lived. Left unpruned, lavender becomes increasingly woody and open in the center, eventually splitting and declining. The goal is to maintain a tight mound of green growth above the woody base.
The main pruning happens after the first flowering flush in late summer — cut the plant back by about one-third, shaping it into a neat mound. Never cut back into the old, grey, woody stems (the same rule as rosemary): lavender won't regenerate from leafless old wood.
Deadheading — removing spent flower stems — encourages a second flush of bloom on varieties like Munstead. Simply snip off the flower stems once they've faded, cutting back to where fresh foliage begins. This also keeps the plant looking tidy through the season.
In spring, give the plant a light shaping to remove any winter-damaged tips and encourage fresh growth. Wait until you see green shoots emerging before pruning — don't rush it, as lavender wakes up slowly in cool springs.
Harvesting Lavender for Dried Bundles
Timing the harvest is critical for dried bundles that hold their color and scent. Harvest when about half the flowers on a stem are open — the buds are fully developed but not fully blown. At this stage the essential oil content is highest and the flowers are less likely to shatter during drying.
Cut stems as long as possible, going back to just above the lowest set of leaves. Gather 20–30 stems into a bundle, secure the base tightly with a rubber band (which contracts as stems dry and shrink), and hang upside down in a dry, shaded, well-ventilated location. A dark cupboard, dry barn, or shaded porch works well. Avoid direct sunlight, which fades the color.
Bundles are ready in 3–4 weeks when the stems feel dry and papery. At this stage they can be displayed as-is, tied with ribbon for gifts, or the dried buds can be stripped and used in sachets, culinary recipes, or craft projects. Properly dried lavender retains its fragrance for 1–2 years.
Zone Hardiness and Winter Care
English lavender varieties (especially Phenomenal and Munstead) are reliably cold-hardy to zone 5. French and Spanish types need zone 7 or warmer to survive outdoors year-round. In borderline zones, excellent drainage is what determines whether lavender survives winter — a wet, poorly-drained site will kill even cold-hardy varieties when the roots freeze and thaw repeatedly in saturated soil.
In zone 5 and 6, avoid mulching over the crown with organic material in winter. Gravel mulch is fine and actually helps protect the roots without creating the moisture-retaining environment that causes rot. A light covering of evergreen boughs after the ground freezes provides wind protection without smothering the plant.
Frequently Asked Questions
- Why did my lavender die over winter even though it was supposed to be cold-hardy?
- In most cases, winter lavender death is caused by waterlogged soil rather than cold temperatures directly. Check drainage first. Even cold-hardy varieties like Phenomenal will rot in poorly drained soil during a wet winter. Raised beds or amended sandy soil almost always solve this problem.
- Can I grow lavender in pots?
- Yes — lavender does well in containers as long as drainage is excellent and the pot is large enough (at least 12 inches for compact varieties). Use a well-draining mix, and water thoroughly but infrequently, letting the soil dry out between waterings. Container lavender needs to be overwintered indoors in zones 6 and colder.
- How do I get more flowers from my lavender?
- The three biggest factors are full sun (6–8 hours minimum), deadheading after the first flush, and annual pruning to maintain compact growth. Avoid over-fertilizing — rich soil produces leafy growth at the expense of flowers. Lavender thrives on lean, well-drained conditions.
- What's the difference between culinary and ornamental lavender?
- English lavender (Lavandula angustifolia) varieties like Hidcote and Munstead have the sweetest fragrance and lowest camphor content, making them best for culinary use. French and Spanish lavenders have more resinous, camphor-forward fragrances that are less suited to cooking but work well in sachets and ornamental arrangements.