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Happy, Healthy Plants Guaranteed
Expertly Grown In The UK
Carefully Hand Delivered
Happy, Healthy Plants Guaranteed
Expertly Grown In The UK
Carefully Hand Delivered

Tall Perennials

If your beds are lacking height, you need tall perennial plants! Growing up to 2m in some cases, these striking plants create a colourful backdrop to any floral display, helping you make the most of your vertical space even in a small garden. Tall perennials look fantastic contrasted with green foliage, in a layered herbaceous border or in containers on their own.

Tall Perennials for Borders

Perennial plants are ideal for giving height and structure to the back of a mixed border, providing a colourful vertical backdrop for smaller plants - but there are so many other ways they can be used. Plant them in groups for a dense hit of colour, or use as single accents amongst medium sized plants for a less formal cottage garden style scheme. Tall perennials are also perfect if you want to screen a less than attractive wall or fence - they’re quicker to grow than trees and easier to maintain than a climber.

Tall Perennials for Pots

Tall perennials really shine in a container display. Give them pride of place in the middle of your pot and surround them with more compact upright and trailing varieties, or make a statement by packing the pot with one species or colour. Use your perennial pots to give height and variation to a collection of containers on the patio or place them at either side of your front door as a colourful alternative to trees.

Which are the tallest Perennial Plants?

If you want jaw-dropping height, you need Hollyhocks! These stunning flowers grow on strong stems up to 2m tall. Close behind them are Delphiniums at up to 1.7m, then Foxgloves, Achillea, Verbena and Gladioli which all come in at around the 1m mark.

Caring for Tall Perennials

Tall perennials can be at risk of bending or falling over in the wind. To prevent this, make sure you plant them in a sheltered part of your garden - against a fence is ideal. For extra support, plant in groups or amongst other tall plants. You can also tie them in to a stake or support structure - using fallen tree branches helps to give a natural look, or you can use rows of string nailed to a fence. Tie your plants in quite loosely to allow for growing space.

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Agapanthus 'Fireworks'
Sale
Agapanthus 'Fireworks'

Two toned flowers to light up your borders

2 options from £22.00
  • Plant in full sun to partial shade
  • Add height and drama to borders
  • Flowers June to September
  • RHS Chelsea Flower Show Plant of the Year 2018 Finalist
Lupin Legendary 'Shades of Blue'
Sale
Lupin Legendary 'Shades of Blue'

Towers of sweet summer blue

4 options from £8.00
  • Happy in full sun to partial shade
  • Perfect to create interest at the back of borders
  • Flowers May to July
  • Essential cottage garden plant
Agapanthus 'Blue Thunder'
Sale
Agapanthus 'Blue Thunder'

A deeper shade of blue

2 options from £22.00
  • Loves a spot in full sun
  • Add drama to pots and borders
  • Flowers June to September
  • Hardy in most of the UK down to -10C
Aquilegia 'Spring Magic Rose & White'
Sale
Aquilegia 'Spring Magic Rose & White'

Pink and white bursting from a bed of green

2 options from £18.00 £15.00
  • Sweet blush-pink funnel flowers in abundance
  • Attractive green foliage makes great ground cover
  • A fantastic border bed plant for a cottage garden aesthetic
  • Flowers from May to July
Aquilegia 'Bordeaux Barlow'
Sale
Aquilegia 'Bordeaux Barlow'

A superb red from Bordeaux

2 options from £18.00 £15.00
  • Layers of crimson red petals atop tall green stems
  • Adds early colour in your garden
  • Grows perfectly well in areas of partial shade
  • Adds dynamic height to your border beds
Agapanthus 'Silver Baby'
Sale
Agapanthus 'Silver Baby'

Shimmering white with a hint of blue

2 options from £22.00
  • Loves a spot in full sun
  • Add height and drama in containers and borders
  • Flowers June to September
  • RHS Award of Garden Merit
Agapanthus 'Royal Velvet'
Sale
Agapanthus 'Royal Velvet'

Spires of plush Purple stars

2 options from £22.00
  • Plant in full sun to partial shade
  • Add drama to borders or containers
  • Flowers June to September
  • Fully hardy down to -10C
Aquilegia 'Black Barlow'
Sale
Aquilegia 'Black Barlow'

Intensely dark - a must-have!

2 options from £18.00 £15.00
  • Deepest purple, almost black pompom shaped flowers on slender stems
  • Flowers from April right through to July
  • Brings colour and contrast to borders
  • Attractive to bees and butterflies
Agapanthus 'Lapis Lazuli'
Sale
Agapanthus 'Lapis Lazuli'

Jewel-toned evergreen Agapanthus

2 options from £18.00
  • Happy in full sun to partial shade
  • Add height and drama to containers and borders
  • Flowers June to September
  • Highly drought-tolerant
Lupin Legendary 'Shades of White'
Sale
Lupin Legendary 'Shades of White'

Grow a skyline of glistening white spires

2 options from £8.00
  • Glistening white towers of lupin blooms
  • A real bee's favourite!
  • Towers 90cm tall–perfect for the back of borders
  • Buy a mature plant ready to shoot up!
Aquilegia 'Green Apples'
Sale
Aquilegia 'Green Apples'

Add apple green to your colour palette

2 options from £18.00 £15.00
  • Double pompom-shaped flowers which begin apple green and mature to crisp white
  • Flowers from April right through to July
  • Perfect in a cottage garden border
  • Highly beneficial to early pollinators
Lupin Legendary 'Shades of Red'
Sale
Lupin Legendary 'Shades of Red'

A truly legendary red lupin

2 options from £18.00 £15.00
  • Incredibly vibrant red flowers from early summer
  • Create a Cottage Garden aesthetic
  • Towers 90cm tall–perfect for the back of borders
  • Buy a mature plant ready to shoot up!
Aquilegia 'Nora Barlow'
Sale
Aquilegia 'Nora Barlow'

Dusky pink and pale green pompoms

2 options from £18.00 £15.00
  • Double flowers in a delightful contrast of pinks and pale greens, on tall slender stems
  • Spring and summer flowering from April to July
  • Essential border colour - and shade tolerant too
  • Attractive to bees and butterflies
Stately Agapanthus Collection
Sale
Stately Agapanthus Collection

The ultimate collection of the strongest, brightest agapanthus

1 option from £66.00 £60.00
  • Loves a spot in full sun
  • Perfect for sunny borders or a feature in containers
  • Long summer flowering from June to Septembe
  • Suitable for cutting
Giant Hollyhocks Collection
Sale
Giant Hollyhocks Collection

Towers above all the other flowers

1 option from £24.00 £20.00
  • Colour all summer long from June to September
  • Grows to around 2m tall!
  • Perfect for a bee-friendly border
  • Great for cutting
Agapanthus 'Ever Sapphire'
Sale
Agapanthus 'Ever Sapphire'

Spires of Deep Blue starry flowers

2 options from £22.00
  • Happy in full sun to partial shade
  • Add drama to pots and borders
  • Early flowering from May to September
  • Attracts bees and butterflies
Agapanthus Bridal Bouquet
Sale
Agapanthus Bridal Bouquet

Compact and bright variety, perfect for pots

2 options from £22.00
  • Loves a spot in full sun
  • Add drama to pots and borders
  • Flowers June to August
  • Perfect for pollinators
Hollyhock 'Chater's Maroon' | Alcea
Sale
Hollyhock 'Chater's Maroon' | Alcea

Towers of Maroon petal swirls

2 options from £8.00
  • Tall towers of rich maroon double flowers
  • Add amazing height and colour to your border beds
  • Create a classic cottage garden aesthetic
  • Get spectacular blooms from June to September
Hollyhock 'Chater's Rose' | Alcea
Sale
Hollyhock 'Chater's Rose' | Alcea

Towers of roses standing tall

2 options from £8.00
  • Magnificent double rose-like flowers
  • Create a stunning tall floral display
  • Frilly petal pattern is an absolute showstopper
  • Create a classic cottage garden aesthetic
Aquilegia Barlow Collection
Sale
Aquilegia Barlow Collection

A collection of enchanting colours

1 option from £45.00 £40.00
  • Specially selected summer tones of Pink, Purple & Red
  • Hardy perennials with bushy foliage and flowers on upright stems
  • The perfect collection to bring colour to your borders
  • Flowers from May to July
Aquilegia 'William Guiness'
Sale
Aquilegia 'William Guiness'

Deepest purple summer blooms from leaves of luscious green

2 options from £18.00 £15.00
  • Deliciously deep plum purple flowers
  • Makes brilliant ground cover for border beds
  • Flowers from May to July
  • Provides rich early summer flowering
Hollyhock 'Chater's Scarlet' | Alcea
Sale
Hollyhock 'Chater's Scarlet' | Alcea

Towers of scarlet red petal swirls

2 options from £8.00
  • Towers of deep, luscious scarlet red flowers
  • Frilly petal pattern is an absolute showstopper
  • Make an excellent cut flower for floral displays
  • Get spectacular blooms from June to September
Hollyhock 'Chaters Purple'
Sale
Hollyhock 'Chaters Purple'

The tallest flowers in the garden!

2 options from £8.00
  • Towering stems of fluffy double flowers in a rich plum purple
  • Flowers from July to September
  • Plant in full sun by a wall or fence for support
  • Loved by bees and butterflies
Lupin Legendary Yellow Shades
Sale
Lupin Legendary Yellow Shades

The sunny little lupin that goes anywhere!

2 options from £18.00 £15.00
  • Bright yellow bell-shaped flowers clustered on upright stems
  • Flowers from May to June
  • Loves a sunny border, compact enough for pots
  • Perfect for cut flowers

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