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Grow guide - lilies

How to grow lilies

All you need to know about growing lilies for great summer scent and colour.

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Plant
Plant

Do not Plant in January

Do not Plant in February

Do Plant in March

Do Plant in April

Do not Plant in May

Do not Plant in June

Do not Plant in July

Do not Plant in August

Do not Plant in September

Do Plant in October

Do Plant in November

Do not Plant in December

Flowers
Flowers

Plant does not flower in January

Plant does not flower in February

Plant does not flower in March

Plant does not flower in April

Plant does not flower in May

Plant does flower in June

Plant does flower in July

Plant does flower in August

Plant does not flower in September

Plant does not flower in October

Plant does not flower in November

Plant does not flower in December

Cut back
Cut back

Do not Cut back in January

Do not Cut back in February

Do not Cut back in March

Do not Cut back in April

Do not Cut back in May

Do not Cut back in June

Do not Cut back in July

Do not Cut back in August

Do not Cut back in September

Do Cut back in October

Do Cut back in November

Do not Cut back in December

Lilies are prized for their fragrant blooms and often giant, trumpet-shaped flowers. Planted as bulbs, they’re perfect for containers and flower borders.

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There are two main types of lily to grow: Oriental and Asiatic. Oriental lilies typically have large, fragrant pink flowers. They thrive in acid soils and so should be grown in containers of ericaceous compost. Asiatic lilies have a greater variety of colours including yellow, orange, red and almost-black, but they’re not scented and tend to be smaller than Oriental types. However they thrive in alkaline soil and are extremely hardy, so are easier to grow – simply plant the bulbs in the garden or in pots of peat-free multi-purpose compost.

How to grow lilies

Grow oriental lilies in acidic soil or ericaceous compost, and other types, including Asiatic and Turk’s cap lilies in neutral to alkaline soil or multi-purpose compost. All types need a sheltered sunny spot to thrive, and a deep pot if growing in containers. Plant bulbs from October to April. Stake taller varieties and protect all types from lily beetle. Allow the foliage to die down naturally after flowering.

More on growing lilies:


Where to plant lilies

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Lilies do best in a position of full sun, ideally with their roots in rich and fairly moist, yet free-draining soil or compost. Grow oriental lilies in acidic soil or ericaceous compost, and Asiatic lilies in neutral to alkaline soil or multi-purpose compost.

Martagon, lancifolium and pardalinum lilies are happy when grown in a position of dappled shade and will often self-seed and make a wonderful colony under deciduous trees. They are all ideal for naturalising.

Watch Monty Don’s video guide to growing lilies in a pot:


How to plant lilies

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Lilies can be planted from late autumn until early April. They’re bought as bulbs – choose large, firm bulbs – although you can also find potted plants at the garden centre in summer.

Potted lilies must have at least 12cm of soil above the bulb. Bulbs will benefit from extra winter protection if planted deeper. As a general guide plant bulbs 15cm apart and three times the depth of the height of the bulb.


How to care for lilies

Support tall-growing lilies with a plant support. As plants start to flower feed them with tomato feed every fortnight. This will encourage great flowers and help bulbs to perform well in the following year. Deadhead spent blooms to prevent the bulb wasting energy on seed production. The only exception to this is if you’re growing martagon lilies, which happily self-seed.

Never cut flowering stems right back to soil level. Just remove the top third. Leave the stems in place until they have gone brown as they will provide energy for the bulb. This rule also applies when growing for cutting.

Move pot-grown lilies to a shaded spot after flowering.

In this Golden Rules video guide, lily expert Sarah Hyde explains three golden rules of caring for lilies:


How to propagate lilies

After three or four years, lilies will clump up and need dividing. This is the best time to propagate them. In autumn, simply lift clumps with a garden fork and peel the bulbs apart. Plant them into smaller clumps directly into the garden or pots.


Growing lilies: problem solving

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A common pest that troubles lily growers is the red lily beetle. These striking red beetles, growing to 8mm long, can be spotted anytime from March to October. When you approach a plant they drop to the floor, landing on their backs so they’re hard to see. They eat lily foliage and leave behind a black excrement – which can be used to identify an infestation even if you don’t see the beetle.

The best protection against lily beetles is vigilance. Check for eggs and larvae on the undersides of leaves, and remove them as soon as you spot them. If an infestation is very bad you may have to turn to a suitable insecticide, but you should try to avoid spraying lilies in flower, as sprays could present a danger to pollinating insects.

Lilies and cats

All parts of the lily can be fatal to cats – don’t grow them if you’re worried about this.

Gardening gloves. Photo: Getty Images.

Growing lilies: buying advice

  • As with all bulbs, make sure you buy healthy specimens, with no signs of softness or mould 
  • Check the height and spread of your lilies, and the soil type required to them, before buying
  • Lilies are available from garden centres and nurseries, but you’ll find more choice at specialist growers

Where to buy lilies

Five lilies to grow

1

Lilium ‘Yelloween’

Pale yellow blooms of Lilium ‘Yelloween’
Pale yellow blooms of Lilium ‘Yelloween’

Lilium ‘Yelloween’ bears pretty yellow blooms with a green-yellow midrib. A tall-growing Asiatic variety, ‘Yelloween’ is perfect for growing in a mixed herbaceous border and makes a fantastic cut flower.

2

Lilium ‘Sorbonne’

A bright pink, white-edged bloom of Lilium ‘Sorbonne'
A bright pink, white-edged bloom of Lilium ‘Sorbonne’

Lilium ‘Sorbonne’ bears bright pink, fragrant blooms with a white margin. A tall-growing Oriental variety, ‘Sorbonne’ is perfect for growing in a mixed herbaceous border and makes a fantastic cut flower.

3

Lilium ‘Nymph’

Lilium ‘Nymph’: pale yellow petals with midline pink stripes
Lilium ‘Nymph’: pale yellow petals with pink centres

Lilium ‘Nymph’ is an oriental variety. It grows to a staggering height of up to 200cm, and bears large, strongly scented, pale lemon yellow flowers with a pink stripe along each petal.

4

Lilium ‘Casa Blanca’

Pure white flowers of Lilium 'Casa Blanca'
Pure white flowers of Lilium ‘Casa Blanca’

Lilium ‘Casa Blanca’ is a classic Oriental lily with fragrant, pure white flowers and dark red stamens. Flowers grow on tall stems from mid- to late summer.

5

Lilium ‘Belonica’

Pollen-free pink double flowers of Lilium 'Belonica'
Pollen-free pink double flowers of Lilium ‘Belonica’

Lilium ‘Belonica’ is an Oriental lily known as a rose lily, which bears fantastic fragrant, pollen-free double flowers in shades of pink.

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