Perennial & Biennial Seeds

Biennials live for 2 years, whereas perennials live for longer. As a general rule, biennial and perennial seeds should be sown in spring, but some can be sown in autumn as well. Many varieties will self-seed after flowering, giving you even more plants!

We have found 8 products.

Nepeta transcaucasica 'Blue Infinity' Catmint Tall wands of violet-blue flowers in seemingly infinate quantity over a long period. With its characteristic aromatic fragrance it is extremely effective in the border, long-lived, easily grown and very reliable. * Seed came to T&M under this name which is yet to be verified. More info 1 packet (45 seeds) Despatch: Within 2 Days SAVE £3.30 ~~£3.99~~ £0.69 Quantity
Achillea filipendulina 'Cloth of Gold' Fern-leaf Yarrow Achillea ‘Cloth of Gold’ is an indispensible border plant, with flat, plate-like, mustard yellow flower heads carried above finely-cut, ferny foliage. This free flowering perennial is undemanding and easy to grow, making a bright splash of summer colour in borders and meadows. Achillea flowers make a charming cut flower and can be dried for everlasting flowers too. Height: 1.5m (59"). Spread: 45cm (18"). More info 1 packet (500 seeds) Despatch: Within 2 Days £0.69 Quantity
Chrysanthemum x koreanum 'Fanfare Improved' F1 Hybrid Chrysanthemum x grandiflorum, Florist's Chrysanthemum The cooler it is the earlier it blooms continuing till hard frost. Double pom-pom, 3in flowers on semi-dwarf plants. Magnificent cut flower. Companion planting: Try growing Chrysanthemums with chives, whose aromatic leaves will deter aphids. Useful links: Companion Planting More info 1 packet (40 seeds) Despatch: Within 2 Days £1.49 Quantity
Nepeta nervosa 'Blue Moon' Catmint A neat, dwarf, bushy, habit, with large dense blue flower spikes, over a very long period. Quick to flower in 12-16 weeks from an April sowing. Ideal for borders and containers. Height: 30-40cm (12-16in). More info 1 packet (30 seeds) Despatch: Within 2 Days £2.49 Quantity
Rudbeckia amplexicaulis Clasping Coneflower, Dracopsis amplexicaulis Something different for the border. This drought tolerant perennial is quick growing, with masses of 'Mexican hat' blooms all summer, aloft blue-green foliage. Grow in wide drifts to create a natural 'prairie' effect in the garden. Prefers a fertile, well-drained soil in full sun. More info 1 packet (100 seeds) Despatch: Within 2 Days £2.29 Quantity
Nepeta cataria Catmint, Catnip No cat should be deprived of this! Their reaction to the aromatic silver grey foliage is fascinating. Flower spikes of violet spotted white. Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here. More info 1 packet (225 seeds) Despatch: Within 2 Days £2.89 Quantity
Agastache foeniculum Anise Hyssop, Agastache anisata, Agastache anethiodora Silvery-green foliage which is scented unmistakenly of Aniseed. Flower spikes of blue appear during summer. Bees, butterflies and goldfinches love it! Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here. More info 1 packet (60 seeds) Despatch: Within 2 Days £2.29 Quantity
Nepeta cataria ssp. citrina Lemon Catmint, Nepeta cataria 'Citriodora' Quite unlike ordinary catmint, handle or squeeze the leaves and they give off a rich lemony fragrancy which pervades the garden with rich flowery perfume on still, warm summer evenings. It's easy to grow and can be treated as either annual or perennial making a good border or summer hedge plant. Fashion conscious cats are taking it up in droves as the 'in' catmint to brush-up against. 'William' who's enthusiasm for catmint has not diminished since his last starring role amongst T&M's ordinary catmint 11 years ago, was persauded (on a full stomach) to pose against these lemons so that you would know about his new found catmint fragrance delight 'Lemon Scented Catmint'. Culinary note: Some parts of these flowers are edible. For more details about edible flowers click here. More info 1 packet (100 seeds) Despatch: Within 2 Days £2.49 Quantity