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    How to Grow Lavender: Complete UK Care Guide

    A complete UK guide to growing lavender, covering English and French varieties, drainage, planting and the pruning routine that keeps plants compact.

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    Lavender thrives in the UK when grown in full sun with sharply drained, poor to moderately fertile soil. Choose hardy English lavender for most gardens, plant in spring, avoid rich or waterlogged ground, and prune firmly every year after flowering to keep plants compact, since neglected lavender quickly turns woody and stops flowering well.

    Key takeaways

    • English lavender (Lavandula angustifolia) is fully hardy across the UK; French lavender (Lavandula stoechas) needs a sheltered spot or pot cultivation.
    • Good drainage matters more than soil fertility; lavender dislikes heavy clay and winter wet far more than cold.
    • Prune every year straight after flowering, trimming into green growth but never cutting back into old bare wood.
    • Full sun for at least six hours a day is essential for compact growth and strong flowering.
    • Avoid feeding lavender richly; lush, soft growth from over-fertile soil is more prone to collapse and disease.
    AttributeDetail
    Botanical nameLavandula spp.
    Plant typeEvergreen aromatic shrub
    Height & spread30-80cm depending on variety
    HardinessRHS H5-H6 (English); H3-H4 (French)
    PositionFull sun, open and sheltered from winter wet
    SoilFree-draining, poor to moderately fertile, alkaline to neutral
    Flowering/interest periodJune to August (English); intermittent spring-summer (French)
    DifficultyEasy once drainage is right

    Choosing lavender varieties

    English lavenders are the most reliable choice for UK borders, hedging and pots, being fully hardy and long-flowering. French lavender, with its distinctive rabbit-ear bracts, is less hardy and best grown in a pot that can be moved under cover in winter, or in a warm, sheltered spot in southern gardens.

    VarietyTypeFlower colourNotes
    Lavandula angustifolia 'Hidcote'EnglishDeep violet-blueCompact, excellent for low hedging
    Lavandula angustifolia 'Munstead'EnglishLavender-blueEarly flowering, reliably hardy
    Lavandula x intermedia 'Grosso'LavandinDeep purpleVigorous, highly fragrant, good for oil
    Lavandula stoechas 'Papillon'FrenchPurple with showy bractsLess hardy, best in pots or mild areas
    Lavandula angustifolia 'Nana Alba'EnglishWhiteVery compact dwarf form

    Where and when to plant lavender

    Plant lavender in April or May once soil has warmed and frost risk has passed, giving roots a full season to establish. Choose the sunniest, most open spot available; lavender planted against a warm south-facing wall or in a gravel garden will perform best. Avoid low-lying frost pockets and areas that stay damp over winter.

    How to plant lavender

    1. Improve heavy or clay soil by digging in horticultural grit or coarse sand to aid drainage.
    2. Dig a hole slightly wider than the root ball; avoid enriching with rich compost.
    3. Tease out any circling roots before placing the plant in the hole.
    4. Set the plant at the same depth it was in its pot, not deeper.
    5. Backfill, firm lightly, and water in well to settle the soil.
    6. Space plants 30-45cm apart if planting a hedge, depending on variety vigour.

    Watering and feeding

    Water newly planted lavender regularly through its first summer to help establish roots, then reduce to occasional watering only in prolonged drought once established. Lavender is naturally drought-tolerant and adapted to poor soils, so avoid rich feeding; an annual light dressing of general-purpose fertiliser in spring is sufficient, and too much nitrogen produces soft, floppy growth prone to collapse.

    Pruning lavender to prevent woodiness

    The single most important task for long-lived lavender is annual pruning. As soon as flowers fade in late summer (typically August), trim the whole plant with shears or secateurs, removing the flower stems and around 2.5cm of the soft green foliage below, shaping into a neat dome. Never cut back into the old bare wood at the base, as English lavender rarely reshoots from it and the plant will develop permanent gaps. A second, lighter tidy in spring once new growth appears can help refine shape. Plants pruned this way every year stay compact and floriferous for many years; those left unpruned become leggy and woody within three or four seasons. For clean cuts on woody stems, sharp secateurs make a real difference; browse our pruning and garden how-to guides for technique tips.

    Propagation

    Lavender is easy to propagate from semi-ripe cuttings taken in July or August. Select a non-flowering side shoot around 8-10cm long, strip the lower leaves, and insert into a free-draining mix of compost and perlite. Keep in a cold frame or sheltered spot over winter; rooted cuttings can be potted on and planted out the following spring.

    Growing lavender in pots

    Lavender does very well in containers, particularly French and Italian types that need winter protection. Use a peat-free compost mixed generously with grit for sharp drainage, choose a pot with large drainage holes, and raise it on pot feet to prevent waterlogging. Water sparingly and move pots to a sheltered position, such as against a house wall, over winter.

    Common problems

    ProblemSymptomFix
    Root rotWilting, blackened base, sudden collapseImprove drainage, avoid overwatering, remove affected plants
    Woody, leggy growthBare stems, few flowers, gappy centrePrune annually after flowering; replace very old plants
    Shab disease (Phomopsis)Sudden wilting and dieback of stemsRemove and destroy affected plants; avoid overhead watering
    Frost damage (French lavender)Blackened foliage after cold snapsGrow in pots, move under cover, or fleece in winter
    AphidsDistorted new shoot tipsEncourage ladybirds, rinse off with water

    Month-by-month lavender care

    MonthTask
    January-FebruaryAvoid pruning; protect French lavender in pots from hard frost
    MarchLight tidy of winter-damaged growth once new shoots appear
    April-MayPlant new lavender; improve drainage in beds if needed
    June-JulyWatch for aphids; take semi-ripe cuttings in July
    AugustMain prune straight after flowering finishes
    September-OctoberWater sparingly; allow growth to harden before winter
    November-DecemberMove pots to a sheltered spot; avoid winter watering

    Lavender pairs beautifully with roses and other sun-loving shrubs; see more planting ideas in our flowers hub and plant guides.

    Lavender FAQs

    Why has my lavender gone woody?
    Woodiness happens when lavender is left unpruned or only trimmed on the flower stems. Prune every year after flowering, cutting into the soft green growth but never into old bare wood, which will not reshoot.
    Is English or French lavender better for the UK?
    English lavender (Lavandula angustifolia) is hardier and better suited to most UK gardens outdoors year-round. French lavender (Lavandula stoechas) is less hardy and often needs winter protection or pot cultivation in colder areas.
    Why is my lavender dying in winter?
    The most common cause is waterlogged soil rather than cold; lavender roots rot in wet, heavy ground. Improve drainage with grit or grow in raised beds or pots with free-draining compost.
    Can lavender grow in shade?
    Lavender needs full sun for at least six hours a day to flower well and stay compact. In shade it becomes leggy, flowers poorly and is more prone to fungal problems.
    How often should I water established lavender?
    Established lavender is drought-tolerant and rarely needs watering once settled, except during prolonged dry spells. Overwatering is a far greater risk than underwatering.
    When should I plant lavender?
    Plant lavender in spring (April to May) once the soil has warmed, giving it a full growing season to establish before winter.

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    Plant Guide
    Shrubs
    Lavender
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