--- title: Lavender care in the UAE: the cool-season window and how to stretch it url: https://heavenlyplants.ae/care/lavender updated: 2026-09-27 type: care guide --- # Lavender care in the UAE: the cool-season window and how to stretch it Lavender (Lavandula angustifolia) is a cool-season plant in the UAE. Grow it outdoors in full sun from October to April, in a terracotta pot of gritty, free-draining soil, and water only when the pot has dried out, roughly every 7–10 days in winter. Summer heat and humidity usually finish it, so treat it as a winter plant. The ASPCA lists it as toxic to cats and dogs. ## Care at a glance (UAE conditions) - Watering: Only when the pot is dry through: every 7-10 days in winter, every 3-5 days in warm weeks - Light: Full sun, 6+ hours daily. Outdoors on a sunny balcony October to April - Temperature: Best at 15-28°C with cool nights; usually declines in humid UAE summers - Humidity: Dry air preferred. Needs good airflow; humid nights cause rot - Soil: Gritty, free-draining, neutral to alkaline mix in a terracotta pot - Feeding: One light, half-strength feed in late winter Botanical name: Lavandula angustifolia. Mature height 30-50cm. Difficulty: advanced. Watering every 7-10 days in an air-conditioned room, every 3-5 days outdoors May-September. Not pet-safe: Linalool and linalyl acetate — mild nausea in cats and dogs if eaten.. UAE note: A winter plant here, not a year-round one. Lavender wants full sun with dry air and cool nights — it performs from November to April on a UAE balcony and usually gives up in the summer humidity. ## The UAE lavender season: October to April Lavender comes from dry Mediterranean hillsides: strong sun, poor stony soil, wind, and cool nights. From October to April the UAE comes close to that, with warm, bright days, dry air and cooler nights, and lavender grows well on a sunny balcony, terrace or garden bed. November to March is its best stretch. From May the problem is not only heat but humidity. Warm, humid nights on the coast keep the foliage and the crown of the plant damp, and that is when lavender rots from the base. Most plants on a UAE balcony decline between June and August even with careful watering. Plan for that from the start: enjoy it through the cool season and replace it in October if it does not make it through. Flowering is lighter here than in Europe. English lavender flowers best after a cold winter, which the UAE does not give it, so expect a flush of flower spikes in late winter and spring rather than a long summer display. Grow it for the scent of the foliage as much as for the flowers. ## Light: full sun, six hours or more Lavender needs at least six hours of direct sun a day. In the cool season that means the sunniest aspect you have: a south- or west-facing balcony that would cook most plants in July is ideal from November to March. In shade it grows long, floppy stems with few flowers and is far more likely to rot. Indoors, only a south- or west-facing windowsill in direct sun comes close, and even there it survives rather than thrives. Behind tinted glass or a few metres back from the window, it will not last. ## Watering: less than you think Water only when the pot is dry through, then soak it until water runs from the drainage hole and let it drain completely. On a winter balcony that is roughly every 7–10 days; in the warmer weeks of October, March and April it can be every 3–5 days. Push a finger into the soil: if it is damp a few centimetres down, wait. Water the soil, not the plant. Wet foliage in a still, humid corner is where grey mould starts. Never leave the pot standing in a saucer of water, and do not group lavender tightly with thirsty plants that need watering more often. ## Soil, pot and a gravel collar Use a gritty, free-draining mix: standard potting mix with about a third of perlite, grit or coarse sand stirred in. Lavender prefers neutral to alkaline soil, so the alkalinity of UAE water, a problem for many plants, suits it. Terracotta is the best pot, because it breathes and dries out faster than glazed ceramic or plastic. Choose one only 2–4cm wider than the nursery pot; a big pot of wet soil around a small root ball is the fastest way to lose it. A layer of gravel over the soil keeps the base of the stems dry and the root zone cooler. ## Pruning, flowering and feeding Cut off spent flower spikes as they fade. After the main spring flush, trim the whole plant by about a third into a neat mound, cutting only into green, leafy growth. Do not cut back into the bare, woody base: old lavender wood rarely sprouts again. Feed lightly, once, as growth picks up in late winter, with a balanced fertiliser at half strength. Rich soil and regular feeding give soft, sappy growth with less scent and fewer flowers. ## Getting through a UAE summer If you want to try, move the plant in May to the sunniest indoor windowsill you have, where AC air is dry, which lavender prefers, and water even less than on the balcony. Expect it to get leggy in the lower indoor light. Put it back outside in October and trim it once new growth appears. Many UAE gardeners simply treat lavender as a seasonal plant, like winter annuals: plant it in October, enjoy it until May, and replace it the following autumn. That is not a failure. It is how the plant fits this climate. ## Pet safety The ASPCA lists lavender as toxic to cats and dogs. The plant contains linalool and linalyl acetate, and eating it can cause nausea and vomiting; a nibble usually causes mild symptoms, but keep it where a pet that chews plants cannot reach it. Lavender essential oil is far more concentrated than the plant, so keep oils and diffusers well away from cats. For a scented plant that is non-toxic to cats and dogs, Arabian jasmine is the better choice. ## After delivery, and common problems After delivery, put it straight into full sun outdoors in the cool season and do not water it until the soil has dried. Wait until it has settled before repotting. If it is still declining after its first 14 days despite following the care card, message us on WhatsApp: that is what the 14-day settle-in promise is for. Grey or brown foliage spreading from the base, with damp soil: root or crown rot from too much water or humid, still air. Let the pot dry out, move it into more sun and air, and cut away dead stems. Long, floppy stems with few flowers: not enough sun. Move it to the brightest spot you have. Crisp, dry leaves at the tips in a heatwave: the pot dried out completely in the heat. Water deeply once, then return to the normal routine. Tiny white flies or fine webbing: whitefly or spider mite, which move onto stressed plants. Spray neem at dusk, never in direct sun, weekly for three weeks. ## Frequently asked questions ### When should I plant lavender in the UAE? In October or November, as the heat breaks. That gives it the whole cool season to root, grow and flower before May. Lavender planted in spring has only a few weeks before summer humidity arrives, and lavender planted in summer rarely survives. ### Why is my lavender turning grey and brown from the base? Almost always rot from too much water or humid, still air. Lavender wants its soil to dry out fully between waterings and plenty of sun and airflow. Let the pot dry, move it into full sun, cut away the dead stems and water only when the pot is dry through. ### Should I cut back lavender after it flowers? Yes. Remove spent flower spikes, then trim the plant by about a third into a mound after the main spring flush, cutting only into green, leafy growth. Do not cut into the bare woody base, which rarely sprouts again. ### Can lavender survive a Dubai summer outside? Rarely. Heat is part of it, but the bigger problem is humid nights that keep the crown damp, which causes rot. Most balcony plants decline between June and August. Move it to a sunny indoor sill in May, or treat it as a cool-season plant and replace it in October. ### Does lavender need watering every day in the UAE? No, and daily watering is the most common way to kill it. Water only when the pot is dry through: roughly every 7-10 days on a winter balcony and every 3-5 days in the warmer weeks of October, March and April. Soak it, let it drain fully, and never leave it in a saucer of water.