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Home > All Products > Perennial> Black> Blue

Blue, Black, Perennial

5898 products, 777 articles, 855 blogs

Delphinium grandiflorum 'Summer Nights'

Attractive dwarf plants covered in a blanket of dainty midnight-blue flowers. Flowering in their first year from sowing makes them perfect for bedding borders or containers, providing a colourful display over a long summer period  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£1.99

despatch within 3 days

Scabious caucasica

The traditional garden Scabious boasting plenty of lavender blue flowers on wiry stems throughout summer. Scabious caucasica is an easy-to-grow hardy perennial that will attract the constant hum of pollinating insects and butterflies.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£8.99

despatch by end of march 2020

Geranium sanguineum 'Pink Pouffe'

Iris setosa 'Baby Blue' is a charming little Iris of petite proportions, reaching just 20cm (8) tall. Violet veins decorate the lavender-blue petals, which are splashed with white at the centre of each bloom.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£14.99

despatch by end of march 2020

Delphinium 'Dark Blue & White Bee'

These magnificent delphinium blooms are certain to create quite an impact in your garden this season.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£5.99

despatch by end of march 2020

Scabious 'Blue Jeans'

An abundance of blue pincushion scabious flowers will attract bees and butterflies throughout summer. The tall, wiry stems can also be cut to create a pretty display indoors. Scabiosa 'Blue Jeans' blends well among cottage garden borders, where they look particularly…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£9.99

despatch by end of april 2020

Salvia Salgoon 'Lake McKenzie'

Salvia Salgoon 'Lake McKenzie' is a new introduction that?s sure to be a hit with UK gardeners. A sublime display of indigo blue flowers are borne on black stems throughout the summer. The nectar-rich blooms are loved by pollinating insects.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£9.99

despatch by end of april 2020

Agastache foeniculum

Silvery-green foliage which is scented unmistakenly of Aniseed. Flower spikes of blue appear during summer. Bees, butterflies and goldfinches love it!  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£2.69

despatch within 3 days

Salvia 'African Sky'

Exquisite sky-blue flowers crowd the upright stems of this magnificent perennial over a long period. The woody stems are cloaked in dark, aromatic foliage that makes a good contrast with its open-mouthed blooms.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£16.99

despatch by end of june 2020

Nepeta 'Neptune'

Here's a wonderfully versatile perennial! Nepeta 'Neptune' works well planted in clumps on its own in a border or as a companion plant in a container.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£7.99

despatch by end of may 2020

Clematis 'Guiding Promise'™ evipo053

Iris setosa 'Baby Blue' is a charming little Iris of petite proportions, reaching just 20cm (8) tall. Violet veins decorate the lavender-blue petals, which are splashed with white at the centre of each bloom.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£24.99

despatch within 13 days

Veronica gentianoides

Upright spires of palest, china blue flowers are produced over a long period throughout summer. Veronica gentianoides is an elegant hardy perennial with glossy, dark green foliage that forms a dense carpet.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£8.99

despatch by end of march 2020

Campanula persicifolia 'Blue Bell'

Campanula persicifolia 'Blue Bell' is a charming upright perennial, producing a summer display of slender, stems adorned with outward facing, bell-shaped blooms in a rich shade of blue. Campanulas are a well-loved addition to cottage garden borders, forming an evergreen…  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£9.99

despatch by end of april 2020

Echinops ritro

Make a strong statement with this architectural plant, it will be a great contrast with the more traditional softer flowers in your garden designs. The stand-out features are the spiky globes of electric blue flowers that stand proudly on silvery green stems above…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£4.99

despatch within 13 days

Eryngium 'Blue Steel'

Sea Holly is a useful perennial for its ability to cope with hot, dry conditions and coastal locations. Eryngium 'Blue Steel? produces dramatic cones of tiny blue flowers that are surrounded by a spiky, electric-blue collar. The tall flower stems bring fabulous texture…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£6.99

despatch within 13 days

Geranium 'Bloomtime' & 'Rozanne' Collection

A beautiful collection of two stunning hardy geraniums, Geranium 'Rozanne' and Geranium 'Bloomtime' compliment each other absolutely perfectly. the violet-blue blooms of Rozanne combine with the pale pink of 'Bloomtime' for a wonderful summer display.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£14.99

despatch by end of march 2020

Perovskia atriplicifolia 'Little Spire'

Smaller and more compact, this smaller variety of Russian Sage is a wonderful plant with all its larger cousins hardiness, and drought and heat tolerance, without taking up so much border space. Perovskia atriplicifolia 'Little Spire' has the advantage of looking great…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£14.99

despatch within 6 days

Agapanthus 'Blue Ribbon'

The starry, rich blue flowers of Agapanthus ?Blue Ribbon? form rounded flower heads in late summer. Each petal is marked with a violet-blue stripe that adds depth and interest to the display.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

Just£9.99

despatch within 3 days

Commelina tuberosa

Intense blue flowers. Wonderful in containers, rock gardens and the border.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Blue
  • Longevity: Perennial

2 Options From£9.99

despatch by end of january 2020

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