How to Grow Lily of the Valley
Convallaria majalis
Lily of the Valley is a shade-loving ground cover perennial with sweetly scented white bell-shaped flowers in spring. Plant in moist, humus-rich soil in partial to full shade. Spreads vigorously by rhizomes and requires no pruning. All parts are toxic if ingested.
Yearly Lifecycle
Care Essentials
Apply a light mulch of leaf mould in autumn. No additional feeding needed — thrives in naturally humus-rich woodland soil.
Watch For
- Invasive spreading — can colonise entire beds if unchecked
- Grey mould (Botrytis) in very damp conditions
- All parts toxic — keep away from children and pets
Track your Lily of the Valley care schedule — pruning, feeding, and seasonal tasks
Start planning freeCare Requirements
☀️ Light
Partial to full shade; thrives under trees.
One of the best plants for deep shade under trees. Morning sun is acceptable but avoid hot afternoon sun which scorches leaves.
💧 Watering
Keep moist; does not tolerate drought.
Water in dry spells, especially in the first year after planting. Established colonies are more resilient but still prefer consistently moist conditions.
🌱 Fertilizing
Light leaf mould mulch in autumn is sufficient.
No additional feeding needed in humus-rich soil. An annual autumn mulch of leaf mould mimics the natural woodland floor and maintains fertility.
✂️ Pruning
No pruning needed; remove spent foliage in late summer.
Allow foliage to die back naturally. Remove yellowed and collapsed leaves in late summer to keep the area tidy and reduce fungal risk.
❄️ Overwintering
Fully hardy; no protection needed.
Completely frost-hardy throughout the UK. Rhizomes survive even hard winters without any protection.
Growing Tips
Contain the spread
Lily of the valley spreads aggressively by rhizomes. Plant in a buried container or use a root barrier to prevent it colonising the whole bed.
Deep shade is a feature not a problem
This plant thrives where almost nothing else will grow — under dense tree canopy in root-filled soil. Use it deliberately in those difficult spots.
All parts are toxic
Every part of the plant is highly poisonous. Wear gloves when handling and keep children and pets away from the berries in autumn.
Patience after planting
Newly planted pips may take a full season to settle before producing many flowers. Once established the colony flowers reliably every May.
Pests & Diseases
Pest Vine Weevil
Identification: Notched leaf margins from adult feeding at night; wilting or dying patches indicate larval root damage.
- Apply vine weevil nematodes (Steinernema kraussei) to moist soil in late summer or autumn.
- Hand-pick adults at night using a torch.
- Imidacloprid or acetamiprid drench in late summer per label instructions.
Pest Aphids
Identification: Clusters of small insects on new growth and flower stems; sticky honeydew residue; distorted leaves.
- Blast off with a strong jet of water.
- Encourage natural predators such as ladybirds and lacewings.
- Pyrethrin-based spray in severe cases.
Disease Grey Mould Botrytis cinerea
Symptoms: Fluffy grey mould on foliage and flower stems, particularly in cool damp conditions in shade.
Treatment: Remove affected parts immediately. Improve air flow and avoid overhead watering.
Prevention: Do not let dead foliage accumulate around the colony. Thin congested patches in autumn.
Disease Fungal Leaf Spot Various fungi
Symptoms: Brown or tan spots with darker borders on leaves, sometimes with yellow halos.
Treatment: Remove and destroy affected leaves. Avoid wetting foliage.
Prevention: Good air circulation and prompt removal of dead material help prevent outbreaks.
Log Lily of the Valley in your garden — track growth, care, and harvests year after year
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