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Home > All Products > Biennial> Under £20

Under £20, Biennial

6009 products, 777 articles, 855 blogs

Wallflower Sunset Collection

Every gardener should grow wallflowers for their kaleidoscope colours and sweet, honey fragrance! Wallflower 'Sunset' is an F1 hybrid making these plants more vigorous, longer-flowering and stronger-growing than other cultivars.  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Orange
  • Longevity: Biennial

6 Options From£9.99

despatch within 3 days

Wallflower 'Sugar Rush'

Compact with a multi-branching habit, ?Sugar Rush? is perfect for beds, borders, containers and window boxes, creating a mass of colour and scentwhen much of the garden is dormant.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£14.99

despatch by end of february 2020

Foxglove 'Dalmatian Mixed'

Imagine a foxglove you can use as a bedding annual! 'Dalmatianis long-flowering and multi-branching and will fill the garden with colour all summer - AND this stunning foxglove will flower again next year too!  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

3 Options From£5.99

despatch by end of march 2020

Teasel

Tall, striking, thistle-like plants with serrated leaves and large spiny flower heads. A valuable source of nectar for bees and butterflies, as well as attracting many seed-eating birds to your garden or wild flower meadow. Makes attractive, dried, cut flowers  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Foxglove 'Excelsior Hybrid Mixed'

A most effective and spectacular strain of Foxgloves superb for shady shrub and tree areas, back of borders and excellent for cut flowers. They can really bring the early summer garden alive! Flowers early summer. Height 5ft  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£2.29

despatch within 3 days

Broccoli 'Red Arrow' (Purple Sprouting)

Developed by Dr. Gray of Wellesbourne. A vast improvement on exisiting strains, cropping 1 week earlier and yielding up to 20% more. Sprouting Early Purple Red Arrow Broccoli produces vigorous vitamin rich plants with lots of tender flower buds. An extremely useful and…  More Info

  • Sun shade: Full sun
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.99

despatch within 3 days

Lunaria annua

It blooms from March to April in rich, purples, pinks and starry bi-coloured combinations with white. It's a vital nectar plant and therefore popular with butterflies, very easy to grow, normally self-seeding itself in sunny or shady positions. Over a long season it…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Purple
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Spinach 'Perpetual' (Start-A-Garden™ Range)

A continuous crop of quality, succulent leaves ideal for autumn and winter cropping. Hardly ever runs to seed in the first season and therefore good on dry ground. Full of nutrients and goodness.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£0.99

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Wallflower 'Sugar Rush' F1 Hybrid

Sugar Rush' completely turns conventional wallflower growing on its head! Not only does this unique hybrid starts to flower in the autumn just 10 weeks after sowing, but will flower again in the spring after deadheading. Just the job for adding vibrant colour - as well…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Salvia sclarea var. turkestanica

Scores of tall stems bearing many pink to white bracts and soft blue and white tiny flowers. Remaining spectacular, even in early autumn. Although biennial, this salvia may be treated as a short lived perennial if flowers are removed in second and subsequent years.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Biennial

Just£0.99

despatch within 3 days

Swiss Chard 'Bright Lights'

This exciting RHS AGM leaf beet, produces a rainbow of coloured stems that are crowned with large leaves of green or bronze. The flavour is deliciously mild and packed with nutritional content. Leaf Beet 'Bright Lights' can be harvested from mid-summer to late autumn,…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders

  • Longevity: Biennial

Just£2.99

despatch within 3 days

Myosotis sylvatica 'Blue Ball'

Compact and ball shaped with bright blue flowers.  More Info

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

Just£2.29

despatch within 3 days

Leek 'Below-Zero' F1 Hybrid

British breeding has combined the vigour of an F1 Hybrid with extreme cold tolerance to produce quality leeks which will withstand the harshest of weathers. Dark leaves, pure white stems with no bulbing, long standing ability and bolting and rust tolerant. Lift fresh…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£1.00

despatch within 3 days

Leek 'Musselburgh'

Leek Musselburgh is a very hardy and exceptionally fine strain of this popular mid season variety  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

2 Options From£2.29

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Foxglove 'Snowy Mountain'

Hot on the heels of Foxglove Candy Mountain, this striking white version has been developed by flower breeders. Each unique upward-facing bloom is peppered inside with delicate purple spots which will tempt bees and other insects. Tall sturdy spires of flowers will…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Biennial

Just£1.00

despatch within 3 days

Broccoli 'Sibsey' (Bellaverde®) F1 Hybrid (Calabrese)

So sweet you can eat the stems raw! A true pure broccoli similar in look to Cima di rapa (wild broccoli). Expect three or four harvests per plant.  More Info

  • Sun shade: Full sun
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£3.49

despatch within 3 days

Spinach 'Perpetual' (Spinach Beet)

If your summer spinach is always running to seed before you manage to get a worthwhile crop off it, then Spinach Perpetual is the variety for you because it virtually never runs to seed in its first season, therefore very good on dry ground. Spinach Perpetual is…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.29

despatch within 3 days

Foxglove 'Excelsior Hybrids'

Foxglove 'Excelsior Hybrids' produces tall spires of delicate, bell-shaped flowers with heavily spotted throats. The evenly-spaced blooms, in pastel shades of mauve, pink, yellow and white, create a spectacular presence at the back of borders, and make handsome cut…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

2 Options From£7.99

despatch by end of march 2020

Leek 'Porbella'

An outstanding garden leek variety for harvesting between October and February. Leek Porbella produced sturdy plants with pure white, thick stems and dark green leaves show good rust resistance and have excellent winter hardiness  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£0.99

despatch within 3 days

Leek 'Autumn Giant 2 - Porvite'

An excellent Leek giving mid green, erect foliage, and heavy, uniform stems. Leek Autumn Giant 2 Porvite also features resistance to bulbiness and bolting, as well as high rust tolerance. Seeds in the RHS Vegetable Collection, this leek also has good standing ability in…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.99

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Foxglove 'Knee Hi'

From Thompson & Morgan?s own breeding comes the latest innovation in bedding plants - the dwarf bedding foxglove. Short plants, never more than a foot tall, with an impressive number of branching flower spikes, are now available in 3 great new colours - cream, lavender…  More Info

  • Sun shade: sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Broccoli 'Early Purple Sprouting' (Purple Sprouting)

An extremely useful and easy to grow hardy winter vegetable, Early Purple Sprouting Broccoli provides lots of tasty purple heads (which turn green when cooked) during late winter/early Spring  More Info

  • Sun shade: Full sun
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£0.99

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Parsley 'Prezzemolo Gigante d'Italia' -Vita Sementi® Italian Seeds

A strong growing flat-leaved or Italian parsley, with good winter hardiness and dark green leaves that stand well, in good condition, without yellowing. Like all flat leaved varieties this hardy biennial has a stronger flavour than curled leaved varieties making it…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Leek 'All Season Collection'

We've built our leek collection on hardy, disease resistant British bred varieties so you can be sure your crop will stand up to winter and summer extremes with little risk of rust, bulbing or bolting. This collection comprises: Leek 'Below-Zero F1 Hybrid' Leek …  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£3.99

despatch within 3 days

Foxglove 'Mountains Collection'

One packet each of:Foxglove 'Candy Mountain': T&M Original. Foxglove Candy Mountain is totally unique as it is the first upward facing foxglove from seed. This unusual characteristic enables you, and the bees, to peep inside the stunning rose pink blooms and view their…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£4.49

despatch within 3 days

Bellis perennis 'Pomponette' Mixed

Masses of tightly quilled 1.5in button flowers on compact plants. A bright mixture of red, rose and white. Superb for small beds, edging, windowboxes etc. Growing well in shade they are good for planting under trees or as an edging to patio borders etc. Flowers spring.…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Biennial

Just£2.99

despatch within 3 days

Leek 'Mercurian' F1 Hybrid

The ideal choice if you want a great autumn harvest of long, white stems which don?t become rounded or bulb-like at the base.  More Info

  • Sun shade: full sun
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.99

despatch within 3 days

Leek 'Bleu de Solaise' - Heritage

Reliable winter variety with short, heavy stems. Extremely winter hardy for Christmas to April harvest. The blue leaves may tinge purple during extremely cold weather. Distinctive blue-ish leaves make it an attractive dot plant in the flower borders  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.29

despatch within 3 days

Echium pininana

No wonder this is also called Tower of Jewels or 'Pride of Tenerife! Exceptionally tall flower spikes packed with either rose or purple-blue flowers, interspersed with silver-green lanceolate leaves  More Info

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

Just£3.99

despatch within 3 days

Foxglove 'Candy Mountain'

Foxglove Candy Mountain is totally unique as it is the first upward facing foxglove from seed. This unusual characteristic enables you, and the bees, to peep inside the stunning rose pink blooms and view their delightful freckled throats, which appear all the way around…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Biennial

2 Options From£9.99

despatch by end of april 2020

Campanula medium (Mixed)

Masses of bells in an astonishing range of blues, whites and pinks. A gentle reminder of the cottage garden days. Flowers summer. Height 90-120cm (3-4ft)  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Mixed
  • Longevity: Biennial

Just£2.29

despatch within 3 days

Cauliflower 'Aalsmeer' (Spring)

An improved 'Armado Apriltype. Cauliflower Winter Aalsmeer shows outstanding winter hardiness and produces well-protected, creamy white heads of good depth and weight. Matures gradually throughout April so extends the harvesting period. RHS AGM winner  More Info

  • Sun shade: Full sun
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£2.49

despatch within 3 days

Foxglove 'Alba'

Content to remain understated during daylight, Foxglove 'Alba' comes into its own at dusk, when the pristine flower spikes catch and reflect light, bringing a glow to the borders. The elegant blooms also make charming cut flowers, adding a vertical accent to summer…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Biennial

2 Options From£7.99

despatch by end of february 2020

Leek 'Nipper'

Fast-growing 'baby' leeks specially bred to be ready to pick in just 10 weeks from sowing. Pull them at 'spring onion size' for fresh and tasty leeks out of season; with a flavour that's milder than spring onions, they are delicious in stir fries and salads  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Vegetable Plot

  • Longevity: Biennial

Just£1.99

despatch within 3 days

Swiss Chard 'Five Colour Silverbeet' - Heritage

A rainbow mix of vibrant stem and leaf colours maintained as an Australian heirloom. An excellent value crop as the juicy, mild flavoured broad stems (chards), and the leaves (as spinach) can be eaten. Both are best steamed, but as baby leaves the stems and leaves can…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders

  • Longevity: Biennial

Just£2.29

despatch within 3 days

Foxglove 'Dalmatian Cream' F1 Hybrid

Sow 'Dalmation', the fastest flowering foxglove from seed, and you'll be enjoying its stunning flowers in only 16 weeks! Well branched and compact, attractive dwarf plants produce good quality flower spikes in all three colours. Each flower trumpet sports the 'spots'…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Borders
  • Flower Colour: Cream
  • Longevity: Biennial

Just£3.09

despatch within 3 days

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