Cherry Blossom

About Cherry Blossom

Cherry Blossom is a stunning ornamental tree native to Japan, Korea and China, celebrated for its spectacular spring display of delicate pink or white flowers. Growing 8–12 metres tall with a graceful spreading habit, it transforms British gardens and parks into clouds of blossom each April. UK gardeners prize it for its reliable flowering, elegant form, and vibrant autumn foliage. Many cultivars thrive in the British climate, making it one of the most beloved flowering trees for medium to large gardens.

UK fact: The famous cherry blossom avenue at Kew Gardens, planted in the 1960s, attracts thousands of visitors each spring and has inspired similar plantings across Britain, from Edinburgh's Meadows to Greenwich Park in London.

Watering Cherry Blossom

Water newly planted cherry blossoms weekly during dry spells in their first two growing seasons to establish a strong root system. Apply 20–30 litres per week, ensuring water penetrates deeply rather than frequent shallow watering. Once established, trees are reasonably drought-tolerant but benefit from occasional deep watering during prolonged dry periods in summer. Avoid waterlogging, which can lead to root rot.

Sunlight requirements

Position in full sun with at least six hours of direct sunlight daily for the best flowering display. In the UK, a south or west-facing position is ideal, though trees will tolerate light shade. Avoid heavily shaded spots, as this reduces flowering and can lead to weak, leggy growth.

Soil and feeding

Plant in moist but well-drained soil enriched with organic matter such as well-rotted compost or manure. Cherry Blossom prefers a slightly acidic to neutral pH of 6.0–7.0, though it tolerates mildly alkaline conditions. Heavy clay soils should be improved with grit and organic matter to enhance drainage. Avoid planting in shallow, chalky soils or areas prone to waterlogging, as these can cause poor growth and increased disease susceptibility.

Feed established trees each March with a general-purpose balanced fertiliser such as Growmore or blood, fish and bone, scattering 100–150g per square metre around the root zone. Mulch annually with well-rotted compost or manure to maintain soil fertility and moisture retention. Avoid high-nitrogen feeds after mid-summer, as this encourages soft growth vulnerable to frost damage.

Pruning Cherry Blossom

Cherry Blossom requires minimal pruning and should only be pruned between July and September when the tree is in active growth, as pruning in winter increases susceptibility to silver leaf and bacterial canker. Remove any dead, diseased or crossing branches, and thin overcrowded growth to maintain an open, balanced canopy. Avoid heavy pruning, as cherries do not respond well to hard cuts. Always use clean, sharp tools and seal large wounds with pruning paint to reduce infection risk.

Propagating Cherry Blossom

Most ornamental cherry varieties are grafted onto compatible Prunus rootstock to ensure true-to-type plants and control vigour. Home gardeners can attempt softwood cuttings in June or July, though success rates are variable. Seed propagation is possible but results in unpredictable offspring that rarely match the parent tree's characteristics. For reliable results, purchase grafted specimens from reputable nurseries.

Common problems

Cherry Blossom is susceptible to silver leaf disease, a serious fungal infection that causes a silvery sheen on leaves and can kill branches or entire trees; prune only in summer to minimise risk. Bacterial canker causes sunken lesions on bark and oozing gum, particularly in wet conditions, and affected branches should be removed promptly. Aphids and caterpillars may feed on young foliage in spring, whilst blossom wilt can cause flowers and shoots to wither in damp weather. Poor flowering is often due to insufficient sunlight, late spring frosts damaging buds, or excessive nitrogen feeding promoting leafy growth at the expense of flowers.

Spot a problem with your plant? Photograph the affected area using the Loam app and it will suggest the most likely cause and treatment.

Safety

Humans

Toxic

Leaves, stems and seeds contain cyanogenic glycosides which can release cyanide when chewed or digested. Avoid ingestion.

Cats

Toxic

All parts of the tree contain compounds that can cause vomiting, difficulty breathing and potential cyanide poisoning if ingested.

Dogs

Toxic

Leaves, stems and seeds are toxic to dogs and can cause vomiting, diarrhoea, difficulty breathing and potentially fatal cyanide poisoning.

Toxicity information is for general guidance only. If a person or pet has been exposed to this plant and you are concerned, seek advice from a medical professional or vet.

Seasonal care calendar

Monthly care guide for Cherry Blossom in the UK, based on average conditions.

Frequently asked questions

When should I prune my cherry blossom tree in the UK?

Prune cherry blossom trees only between July and September when they are in active growth. Pruning during the dormant winter months significantly increases the risk of silver leaf disease and bacterial canker, both serious infections that can kill branches or the entire tree. Keep pruning to a minimum, removing only dead, diseased or crossing branches, and always seal large cuts with pruning paint.

Why isn't my cherry blossom tree flowering?

Poor flowering can result from insufficient sunlight, late spring frosts damaging flower buds, excessive nitrogen feeding, or the tree being too young. Cherry blossoms need full sun and balanced feeding to flower well. The Loam app can help you track your tree's conditions and set reminders for appropriate feeding schedules to encourage abundant blooms.

How long does cherry blossom last in the UK?

Cherry blossom typically lasts 1–2 weeks in the UK, usually peaking in April, though timing varies by location, weather and cultivar. Cooler temperatures prolong the display, whilst warm, windy or wet weather can shorten it. Early-flowering varieties may bloom in late March, whilst later cultivars can flower into early May, allowing you to extend the season by planting multiple varieties.

Related plants

• Cherry
• Crab Apple
• Plum
• Magnolia
• Azalea