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Perennial & Biennial Plants

In this range you'll find an impressive selection of perennial plants and biennial plants, which are perfect for beginners and experienced gardeners alike. Also known as herbaceous plants, perennials live for 2 or more years and flower every year. Biennial plants are great for beds and spring displays and there are many delightful plants to choose from. Use the selections in the left menu to select the right plants for your garden.

We have found 13 products.

Poppy 'Plum Pudding' Papaver orientale, Oriental Poppy NEW in 2013 World Exclusive Best in class for oriental poppies T&M's own breeding From T&M’s own breeding programme comes this superb Oriental poppy. Beautiful tissue-like blooms in a rich shade of plum-pink appear from June, and often give a second display later in the summer. The strong stems and non-fading flowers are longer lasting than most varieties, making this a significant improvement on the popular variety ‘Patty’s Plum’. By late summer Poppy ‘Plum Pudding’ produces attractive seed heads that make an eye catching feature in wildlife or cottage garden borders. Height: 75cm (30"). Spread: 60cm (24"). Useful links: Read more on our blog: Another Plant of the Year award for T&M? More info 12 plugs Despatch: By end of March 2014 £9.99 Quantity 24 plugs Despatch: By end of March 2014 SAVE £4.99 ~~£19.98~~ £14.99 Quantity
Penstemon 'Czar' Customer favourite Phenomenal stamina and indifference to rain and drought means that Penstemon ‘Czar’ will flower each year for an incredible five months. Mesmerising, lilac bells with satiny white throats are carried above semi evergreen foliage. These popular hardy perennials deserve prime spots in the garden or on the patio where they can really show off. Pensham penstemons also boast slug resistance and semi-evergreen foliage, giving an all round winning performance for many years. Height: 90cm (36”). Spread: 45cm (18”). More info 3 Postiplugs Despatch: By end of June 2013 £9.99 Quantity
Alstroemeria 'Perfect Blue' Peruvian Lily NEW in 2013 The exquisite mauve-blue flowers of this stunning Peruvian Lily are a sight to behold in summer. Just one plant will easily fill a 30cm (12") container with colour from June to October. Alstroemeria ‘Perfect Blue’ is a modern hybrid which seems to be even longer lasting than the older varieties. This unusual cultivar holds an RHS AGM for its exceptional garden performance and comes highly recommended. Try adding some of its upright stems to a cut flower arrangement indoors for a particularly eye-catching display. Height: 75cm (30"). Spread: 60cm (24"). More info 1 x 7cm potted plant Despatch: By end of June 2013 SAVE £6.00 ~~£12.99~~ £6.99 Quantity 3 x 7cm potted plants Despatch: By end of June 2013 SAVE £24.99 ~~£38.97~~ £13.98 Quantity
Dianthus 'Gran's Favourite' Pink This well loved RHS AGM variety is as popular as ever for its white blooms with raspberry picotee edges. The clove scented flowers of Dianthus ‘Gran’s Favourite’ are produced in abundance above a carpet of silvery green foliage. With such a prolific flowering period there will be plenty of blooms to spare for a vase indoors. This super little Pink is perfectly hardy and a makes a lovely addition to the front of cottage garden borders. Height and spread: 40cm (16"). More info 5 Postiplugs Despatch: By end of June 2013 £8.99 Quantity 10 Postiplugs Despatch: By end of June 2013 SAVE £3.99 ~~£17.98~~ £13.99 Quantity
Osteospermum jucundum var. compactum (Hardy) African Daisy, Cape Daisy Irrepressibly cheerful, bright pink daisy flowers smother carpets of low growing foliage. Versatile and resilient, hardy Osteospermum jucundum var. compactum will thrive in hot, dry, neglected conditions, yet remains one of longest-flowering plants in the garden! Expect vibrant summer colour and weed suppressing ground cover from this easy to grow, sun loving Cape Daisy. Height: 15cm (6"). Spread: 90cm (36"). More info 3 jumbo plugs Despatch: By end of June 2013 £11.99 Quantity
Dianthus 'Endless Love Lavender Eye' Pink If you're looking for a reliable, frost resistant perennial with a beautiful sweet fragrance, then look no further! Dianthus ‘Endless Love Lavender Eye’ produces masses of large, lavender pink, filigree-style flowers with a maroon red centre and the characteristic perfume that you would expect from scented pinks. Perfect for edging, low patio pots and mixed borders, these superb dianthus flowers make long lasting, romantic flower arrangements. Height and spread: 30cm (12”). Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here. Read Michael Perry's blog: Make a change to your plant choices - 2 More info 3 Postiplugs Despatch: By end of June 2013 £6.99 Quantity
Lady's Slipper Orchid Cypripedium x ventricosum A fascinating hardy terrestrial orchid that will create an impressive talking point in your garden. Cypripedium ventricosum is a variable species of the Lady’s Slipper Orchid producing exquisite blooms that can vary from pink to white. These unusual orchids are perfectly hardy grown in moist soil in the dappled shade of trees. Height: 75cm (30”). Spread: 30cm (12”). More info 1 x 9cm potted plant Despatch: £15.99 Quantity 2 x 9cm potted plants Despatch: £20.99 Quantity
Mazus reptans New in 2012 Try a new ground cover idea This low growing, matt-forming perennial is perfect for filling gaps between stepping stones or at the front of sheltered borders and rockeries. The spreading foliage of Mazus reptans forms a dense carpet that is covered in pretty lilac-blue flowers with a yellow-spotted lower lip. This hardy, ground cover alpine has a long flowering period from late spring to July. Height: 5cm (2"). Spread: 30cm (12"). More info 5 jumbo plugs Despatch: By end of September 2013 £14.99 Quantity 10 jumbo plugs Despatch: By end of September 2013 SAVE £9.99 ~~£29.98~~ £19.99 Quantity
Geranium pratense 'Summer Skies' Hardy Geranium, Meadow Cranesbill Plant swathes of this gorgeous mauve-pink geranium in your cottage garden borders and enjoy dreamy summer skies all summer long. The double blooms of Geranium pratense ‘Summer Skies’ may look delicate but this hardy herbaceous perennial is tough and undemanding. Unlike its single flowered relations, this meadow cranesbill does not self seed, so the flowers last even longer. Height: 90cm (36”). Spread: 60cm (24”). More info 1 bareroot plant Despatch: By end of November 2013 £11.99 Quantity
Wallflower 'Winter Joy' Erysimum, Cheiranthus Customer Rating Wallflower ‘Winter Joy’ is a striking fragrant variety with cheery mauve blooms. This evergreen erysimum hybrid has a neat, compact habit making it perfect for beds, borders and containers. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 50cm (20"). More info 4 jumbo plugs Despatch: By end of June 2013 £14.99 Quantity
Wallflower 'Winter Sorbet' Erysimum, Cheiranthus Wallflower ‘Winter Sorbet’ is a striking fragrant variety with amazing lilac purple blooms that transform to shades of burnt orange in a patchwork of colour as the blooms mature. This evergreen erysimum hybrid has a neat, compact habit making it perfect for beds, borders and containers. Versatile and undemanding, this short lived perennial tends to be grown as a biennial, and is tough enough to cope in even the poorest of soils. Height and spread: 50cm (20"). More info 4 jumbo plugs Despatch: By end of June 2013 £14.99 Quantity