A long-lived, drought-tolerant perennial herb grown for its fragrant flower spikes, culinary uses, and exceptional value to pollinators.
Lavandula angustifolia · also called English lavender, true lavender
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Once established, lavender demands almost no irrigation and returns reliably each year. The flowers are edible, the dried stems hold fragrance for months, and the plant draws bees and beneficial insects throughout its long bloom period.
A little history. Native to the western Mediterranean basin, where it grows on dry, rocky, alkaline slopes. Lavandula angustifolia is the species most reliably cold-hardy in temperate gardens and the one most used in culinary applications.
Either works — needs at least 12 inches of well-drained soil; raised beds or containers with drainage holes strongly preferred in wet climates. In containers: 5-gallon pot minimum; terracotta preferred for moisture regulation. Space plants 24 inches (60 cm) apart.
Water deeply at planting, then once every 10–14 days until established; reduce to once every 2–3 weeks once roots are set. Water when the top 2 inches of soil are completely dry and leaves look slightly grey-green rather than silver. Aim for about 1 inch per week during establishment; far less once mature.
Once each spring as new growth begins; do not feed again during the season. What to use: light top-dressing of compost or a low-nitrogen granular organic; excess nitrogen produces floppy stems and reduces flower fragrance.
Cut back by one-third immediately after the first flush of bloom fades — do not cut into old woody stems below the green growth, as bare wood rarely regenerates. A light trim in early spring removes winter-damaged tips.
It's ready when harvest when roughly half the florets on a spike have opened — fragrance and oil content are highest at this stage. Fully open spikes shatter and drop petals quickly after cutting. Cut stems just above the lowest set of leaves using clean, sharp scissors or pruners. Gather into loose bundles of 10–15 stems; do not crush. Harvest in the morning after dew has dried.
Hang bundles upside down in a warm, dark, well-ventilated space for 1–2 weeks. Dried flowers keep fragrance for 6–12 months in a sealed container away from light.
Established plants are cold-hardy but resent wet, waterlogged soil in winter more than cold. In wet climates, mulch around (not over) the crown with coarse grit to shed water. Do not cut hard in autumn.
Rosemary
Both want the same thing: full sun, lean soil, and sharp drainage. Grouping them lets you water the whole planting on one slow, infrequent schedule instead of splitting the bed between thirsty and dry-loving plants.
Thyme
Low creeping thyme carpets the open ground between lavender plants, shading soil and crowding out weeds without competing for the deeper moisture lavender roots reach. Keep it a few inches clear of the woody crown so air still moves there.
Sage
Sage shares lavender's tolerance for dry, alkaline, gritty soil and full sun, so neither is pushed into conditions it dislikes. Space them so the mounds do not touch at maturity and airflow stays open.
Oregano
Oregano left to flower blooms alongside lavender and draws in bees and hoverflies, extending the nectar supply across a longer stretch of summer in the same dry corner of the garden.
Coneflower's open, flat-topped blooms feed hoverflies, lacewings, and tiny parasitic wasps whose larvae hunt aphids, and it takes the same sun and lean, well-drained ground lavender needs.
Spearmint
Spearmint spreads by underground runners and will thread through a lavender crown within a season, holding damp soil against the woody base and inviting rot. If you want both, sink the mint in a buried pot or grow it in a separate container.
Basil
Basil wants steady moisture and rich soil; lavender wants neither. Watering to keep basil happy keeps the ground around lavender's crown damp, which is the fastest route to root rot.
A perennial — it holds its spot for years, so it sits outside the annual rotation.
Lavender is a perennial and holds its spot for years, so it sits outside the annual rotation and needs no family gap. Give it a permanent, sharply drained corner rather than a bed you plan to dig each spring. It feeds moderately and leaves woody roots behind, so replant that spot only after loosening and re-grading the soil for drainage.
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