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Home > 'Giant Plants'

'Giant Plants'

61 products, 66 blogs

Tree Lily® 'Pretty Woman'

This large, white flowered lily is an impressive variety which will multiply and become a true 'tree lily' reaching heights of around 6ft within a few years. Shoots are sturdy and require minimal support. Plant in a container and place on the patio to enjoy its…  More Info

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

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Gunnera manicata

Gunnera is the ?big daddy? of the gardening world, and best suited to a large space where it can grow to its full potential. The giant, umbrella-like foliage can reach over 1m across metres across, and will add a real ?wow? factor to the garden! Throughout summer…  More Info

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

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Campanula pyramidalis (Mixed)

One of the most striking perennials for the border or patio containers. Giant, slender spikes of blooms reach skywards, in shades of blue and white. Plant in containers either side of your front door for a colourful box or bay tree substitute!  More Info

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

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Giant Geranium Collection

Enormous heads of bloom with exceptional weather resistance make these giant geraniums stand out from the rest! Raised from cuttings, these plants have increased vigour and abundant flowers that persist throughout summer if deadheaded regularly. Fantastic…  More Info

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

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despatch by end of may 2018

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Poppy 'Supreme'

Here?s a poppy that will reign supreme in borders all summer! This is another fabulous variety from Thompson & Morgan?s own breeding. Poppy ?Supreme? boasts spectacular fully double flowers which are three times larger than those of other similar papaver rhoeas…  More Info

  • Sun shade: full sun
  • Grows in: Borders
  • Flower Colour: Pink
  • Longevity: Annual

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Delphinium 'Pacific Giants Mixed'

This highly distinguished Delphinium produces strong spikes of semi-double blooms which flower in a blend of pink, lilac, purple, violet-blue, sky-blue and white colours. Delphinium 'Pacific Giants' lives up to its name as the tall stems bearing impressive…  More Info

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

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despatch by end of june 2018

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Rhubarb 'Giant Grooveless Crimson' (Spring/Autumn Planting)

This compact rhubarb produces a bountiful supply of tall, uniform, fully coloured, bright red stems. Rhubarb 'Giant Grooveless Crimson' has a flavour that is less acidic than many cultivars making it perfect for delicious crumbles and jams. Height: 60cm (24).…  More Info

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

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Giant Patio Fuchsia 'Swingtime'

Large, double white frilled skirts that contrast beautifully with bold red sepals. Fill your hanging baskets, window boxes, Flower Pouches® and containers with this kaleidoscope of colourful trailing fuchsias. An abundance of vibrant, double blooms are borne on…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Beds
  • Flower Colour: Pink
  • Longevity: Perennial

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despatch by end of may 2018

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Sunflower 'Russian Giant'

A giant among annuals. Give them plenty of room and you will be rewarded with plants up to 3m (10ft) tall with huge yellow flowers often 30cm(12in) in diameter. Useful to grow against an unsightly shed or fence. Birds love the seeds so grow a few plants…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Annual

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Stock 'Giant Perfection Mixed'

Invaluable summer bedding plants with dense showy spikes of sweet scented flowers. Justifiably popular for beds, borders, cut flowers and they also make magnificent plants for winter flowering in the cold greenhouse.  More Info

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

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Ajuga reptans 'Catlins Giant'

Bugle plants can often be found in shady corners as their glossy, evergreen leaves flourish in dark, damp environments all year round. Not only do these hardy perennials require little to no maintenance, but they also minimise the amount of weeding required as…  More Info

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

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despatch by end of july 2018

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Nepeta 'Six Hills Giant'

The ever popular Nepeta 'Six Hills Giant' is one of the most commonly grown Catmints. The lilac-blue lavender-like flower spikes rise above the silvery-green foliage from early summer onwards, giving a delightful summer display, that is ideal for softening…  More Info

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

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despatch by end of may 2018

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Corylus avellana 'Hall's Giant'

A traditional and old variety, producing reasonably large, pointed nuts with a lovely flavour. Corylus avellana 'Hall's Giant' is reliable and easy to grow, coping well with adverse conditions. It makes an excellent choice for the gardener, with the added benefit…  More Info

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

2 Options From£19.99

despatch by end of august 2018

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Hibiscus syriacus 'Pink Giant'

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

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Sunflower 'Russian Giant'

I could be the tallest flower in your garden. Can you grow the tallest, sunniest sunflower? When I have finished flowering leave the flowerheads out to feed the birds over the winter. Height: 2m+Did You Know? - Not all sunflowers are yellow or tall. Look for furry…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Annual

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Fuchsia Giants Lucky Dip Collection

With blooms up to 10cm (4in) across, these turbo-charged trailers guarantee a stunningly colourful display all summer. The enormous blooms will leave your baskets, window boxes, and containers literally dripping in a carnival of colour.  More Info

  • Sun shade: sun or semi shade
  • Grows in: Containers
  • Flower Colour: Mixed
  • Longevity: Perennial

Just£3.97

despatch by end of may 2018

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Sunflower 'Russian Giant' (Start-A-Garden™ Range)

Easy to grow and a giant in sunflowers. Grows up to 3m (10ft) tall if given plenty of room and boasts eye-catching, huge yellow flowers up to 30cm (12in) in diameter. Excellent for the back of borders, ideal for children to grow and birds love the seeds and will…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Yellow
  • Longevity: Annual

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Snowdrop (Giant)

For a snowdrop with big impact, plant this stunning variety. Nothing heralds the coming of spring like snowdrops and Galanthus elwesii is the best for planting as a dry bulb. It also has the biggest blooms - up to 25cm long!  More Info

  • Sun shade: Dappled shade
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Bulb

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despatch by end of august 2018

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Onion 'Ailsa Craig' (Giant/Show Vegetable)

A splendid exhibition variety of golden merit producing large globe shaped onions with a rich, golden straw coloured skin. As well as being a super show variety, Onion Ailsa Craig is also one of the best varieties for general cultivation producing large onions with an…  More Info

  • Sun shade: Full sun
  • Grows in: Vegetable Plot
  • Flower Colour: White
  • Longevity: Annual

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Shallot 'Golden Gourmet' (Spring planting)

Spring planting. This is a major advance on the traditional variety 'Giant Yellow'. RHS AGM variety Shallot 'Golden Gourmet' produces larger and better quality bulbs with reduced bolting incidence. The lovely golden brown skinned bulbs store well…  More Info

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

  • Longevity: Bulb

Just£5.99

despatch by end of april 2018

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Rhubarb RHS Collection (Spring/Autumn Planting)

Thompson & Morgan have teamed up with the RHS to offer the first AGM cultivars from its 112 plant National Collection of Rhubarbs. These young plants will quickly mature, resulting in crowns big enough to harvest from 2 years after planting.  More Info

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

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Arundo donax 'Variegata'

Arundo donax 'Variegata' is a half-hardy perennial grass with variegated, green foliage and wide, pale margins. The Giant Reed's exotic, upright stems stretch to an impressive 1.8m (5'11) when fully grown, making it a dramatic addition to patio containers, well…  More Info

  • Sun shade: Full sun
  • Grows in: Borders

  • Longevity: Perennial

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despatch by end of may 2018

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Gazania 'Frosty Kiss Mixed'

The silvery sheen of this fantastic mix is incredibly drought resistant, and with GIANT blooms that stay open whatever the weather, it just cannot be beaten! Perfect for filling beds and containers.  More Info

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

2 Options From£7.99

despatch by end of may 2018

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Fuchsia 'White King'

Of all the giant double fuchsias, this is the purest white of all. The huge 12cm (5in) blooms make the perfect basket addition for brightening shady spots where they seemingly glow in the dark.  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Containers
  • Flower Colour: White
  • Longevity: Perennial

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despatch by end of may 2018

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Marigold 'Colossus'

Giant heads, larger than a golf-ball, in rich bicolour shades of red and orange make this French Marigold one of the largest, and a striking feature for beds and borders. A premier bedding plant, easily grown to give non-stop summer.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Red
  • Longevity: Annual

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Dianthus 'Romance'

The large flowers of Galanthus elwesii are up 25mm long with a delicate honey fragrance. This giant snowdrop holds an RHS AGM and makes an outstanding display in spring borders and containers. Height: 30cm (12). Spread: 10cm (4).Bulb size 4/5.  More Info

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

Just£9.99

despatch by end of june 2018

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Begonia x tuberhybrida 'Daffadowndilly'

The daffodil begonia was almost lost to cultivation, but we've worked with breeders to bring an old-time classic back to UK gardens. This vintage begonia variety has been re-worked to offer stunning giant daffodil-like blooms in shades of salmon pink for a fresh…  More Info

  • Sun shade: Sun or semi shade
  • Grows in: Containers
  • Flower Colour: Pink
  • Longevity: Tuber

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Radish 'Vienna' F1 Hybrid

A giant amongst summer radish. Radish Vienna produces large, golf ball sized roots with pure white flesh which remain firm, juicy and crisp with a spicy flavour, but have no sign of pithiness or bitter after taste. Ideal for successional sowing.  More Info

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

  • Longevity: Annual

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Cabbage 'Brigadier' F1 Hybrid (Autumn/Winter)

(Autumn/Winter). Ideal to grow a quality giant cabbage, producing heads up to 65kg (14lbs). Cabbage Brigadier F1 Hybrid is delicious eaten raw, with a high sugar and Vitamin C content, but also excellent when cooked, Stands well in good condition, with Fusarium…  More Info

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

  • Longevity: Annual

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Vitex agnus-castus f. latifolia

If you are a fan of Lavender as a garden border plant, you will love Vitex agnus-castus f. latifolia a spectacular deciduous shrub. From a distance it almost looks like a giant Lavender! In early autumn it becomes full of sprays of purple-blue, scented…  More Info

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

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Buddleja davidii 'White Profusion'

Buddleja davidii 'White Profusion' produces giant panicles packed with tiny white blooms that swathe the end of each stem between July and September. This classic deciduous Butterfly Bush holds an RHS AGM and is perhaps more elegant than some of the bigger…  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: White
  • Longevity: Shrub

2 Options From£14.99

despatch by end of july 2018

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Caltha palustris subsp. polypetala (Marginal Aquatic)

  • Sun shade: Sun or semi shade
  • Grows in: Ponds
  • Flower Colour: Yellow
  • Longevity: Perennial

Just£24.99

despatch by end of april 2018

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Bellevalia Mixed

Bellevalia (Muscari) Robust and easy to grow. Super-sized, with twice the impact, thanks to the chunky flower-heads.  More Info

  • Sun shade: Full sun
  • Grows in: Borders
  • Flower Colour: Green
  • Longevity: Bulb

2 Options From£9.99

despatch by end of september 2018

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Tomato 'Gigantomo'® F1 Hybrid

This collossal new beefsteak tomato is the largest new variety on the market. Gigantomo® marries the much-loved flavour of hertiage varieties with the inbuilt vigour and disease-resistance of modern cultivars, making it the must-have tomato of 2015. Plants are…  More Info

  • Sun shade: Full sun
  • Grows in: Containers
  • Flower Colour: Yellow
  • Longevity: Annual

4 Options From£7.99

despatch by end of june 2018

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Gunnera magellanica

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

Just£14.99

despatch by end of april 2018

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Wildflower Mix

Create a beautiful wildflower area in your garden with this selection of bright and colourful annuals. Our special selection provides forage over a long season, from spring through to early autumn, making it an invaluable food source for bees and butterflies. Collection…  More Info

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

Just£10.85

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