Sow half-hardy annuals in early spring, making sure that you protect them from frost. Plant them out after all risk of frost has passed and you'll be rewarded with delightful flowers throughout the summer. Hint: use the selections in the left menu to narrow down your search for the perfect half-hardy annual seeds for your garden. For direct sowing take a look at our stunning range of hardy annual seeds.
1 packet (30 cosmos seeds)
Quick Buy1 packet (30 cosmos seeds) (79675) Despatch: within 7 Days
£2.49
Just£2.49
Marigold 'Tomato Growing Secret'
1 packet (40 marigold seeds)
Quick Buy1 packet (40 marigold seeds) (TKA23614) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (20 nasturtium seeds)
Quick Buy1 packet (20 nasturtium seeds) (TM50504) Save £0.50SEED SALE Despatch: within 7 Days
£1.99 £1.49
Just£1.49
Cosmos bipinnatus 'Sensation Mixed'
Choose from 2 options
Quick Buy1 packet (200 cosmos seeds) (23808) Despatch: within 7 Days
£2.69
1 packet (80 cosmos seeds - seed tape) (TKA60771) Despatch: within 7 Days
£2.69
Just£2.69
1 packet (20 marigold seeds)
Quick Buy1 packet (20 marigold seeds) (TKA75003) Despatch: within 7 Days
£2.99
Just£2.99
Cosmos bipinnatus 'Gazebo Mixed'
1 packet (100 cosmos seeds)
Quick Buy1 packet (100 cosmos seeds) (23880) Despatch: within 7 Days
£2.99
Just£2.99
Nasturtium 'Troika Spotty Dotty'
1 packet (20 nasturtium seeds)
Quick Buy1 packet (20 nasturtium seeds) (TKA75004) Despatch: within 7 Days
£1.99
Just£1.99
1 packet (100 cosmos seeds)
Quick Buy1 packet (100 cosmos seeds) (TKA54808) Despatch: within 7 Days
£1.99
Just£1.99
Thunbergia alata 'Blushing Susie'
1 packet (8 thunbergia seeds)
Quick Buy1 packet (8 thunbergia seeds) (TX07359) SEED SALE Despatch: within 7 Days
£0.99
Just£0.99
Thunbergia alata 'Superstar Orange'
1 packet (12 thunbergia seeds)
Quick Buy1 packet (12 thunbergia seeds) (25808) Despatch: within 7 Days
£3.99
Just£3.99
Gazania 'Big Kiss White Flame' F1 Hybrid
1 packet (15 gazania seeds)
Quick Buy1 packet (15 gazania seeds) (TX09777) Save £2.70 Despatch: within 7 Days
£3.99 £1.29
Just£1.29
1 packet (40 nasturtium seeds)
Quick Buy1 packet (40 nasturtium seeds) (TX06766) Save £0.30SEED SALE Despatch: within 7 Days
£0.99 £0.69
Just£0.69
1 packet (40 nasturtium seeds)
Quick Buy1 packet (40 nasturtium seeds) (23854) Despatch: within 7 Days
£2.49
Just£2.49
1 packet (100 cosmos seeds)
Quick Buy1 packet (100 cosmos seeds) (TKA24102) Despatch: within 7 Days
£2.99
Just£2.99
Petunia 'Grand Rapids Mixed' F1 Hybrid
1 packet (100 seeds)
Quick Buy1 packet (100 seeds) (TT01695) Save £1.70SEED SALE Despatch: within 7 Days
£2.99 £1.29
Just£1.29
Antirrhinum majus 'Royal Bride'
1 packet (400 antirrhinum seeds)
Quick Buy1 packet (400 antirrhinum seeds) (TKA24160) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (20 cucamelon seeds)
Quick Buy1 packet (20 cucamelon seeds) (TKA54800) Despatch: within 7 Days
£2.49
Just£2.49
Cosmos bipinnatus 'Psyche White'
1 packet (75 cosmos seeds)
Quick Buy1 packet (75 cosmos seeds) (TM04580) Despatch: within 7 Days
£2.99
Just£2.99
Petunia x hybrida 'Super Cascade Improved' F1 Hybrid
1 packet (40 petunia seeds)
Quick Buy1 packet (40 petunia seeds) (TKA23832) Despatch: within 7 Days
£3.99
Just£3.99
1 packet (100 marigold seeds)
Quick Buy1 packet (100 marigold seeds) (TX06718) Save £1.00SEED SALE Despatch: within 7 Days
£1.99 £0.99
Just£0.99
Cosmos bipinnatus 'Sweet Sixteen'
1 packet (70 cosmos seeds)
Quick Buy1 packet (70 cosmos seeds) (TKA24217) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (1000 lobelia seeds)
Quick Buy1 packet (1000 lobelia seeds) (TX01709) SEED SALE Despatch: within 7 Days
£0.99
Just£0.99
Bacopa cordata 'Snowtopia White'
1 packet (10 bacopa pellets)
Quick Buy1 packet (10 bacopa pellets) (TM04658) Despatch: within 7 Days
£3.99
Just£3.99
1 packet (10 rhodochiton atrosanguineum seeds)
Quick Buy1 packet (10 rhodochiton atrosanguineum seeds) (TX02143) Save £2.70 Despatch: within 7 Days
£3.99 £1.29
Just£1.29
Lobelia erinus 'Cascade Mixed'
1 packet (1000 lobelia seeds + 25% EXTRA FREE)
Quick Buy1 packet (1000 lobelia seeds + 25% EXTRA FREE) (TKA23842) Despatch: within 7 Days
£2.69
Just£2.69
Nicotiana x sanderae 'Fragrant Cloud'
1 packet (1000 nicotiana seeds)
Quick Buy1 packet (1000 nicotiana seeds) (TKA24134) Despatch: within 7 Days
£2.29
Just£2.29
1 packet (6 ricinus seeds)
Quick Buy1 packet (6 ricinus seeds) (26141) Despatch: within 7 Days
£3.99
Just£3.99
Marigold 'French Vanilla' F1 Hybrid
1 packet (20 marigold seeds)
Quick Buy1 packet (20 marigold seeds) (25383) Despatch: within 7 Days
£4.99
Just£4.99
Cosmos bipinnatus 'Pied Piper Red'
1 packet (100 cosmos seeds)
Quick Buy1 packet (100 cosmos seeds) (TX06247) SEED SALE Despatch: within 7 Days
£0.99
Just£0.99
Nasturtium 'Climbing Mixed' (Start-A-Garden™ Range)
1 packet (20 nasturtium seeds)
Quick Buy1 packet (20 nasturtium seeds) (TKA48854) Despatch: within 7 Days
£0.99
Just£0.99
Marigold 'Sunburst Mixed' F1 Hybrid
1 packet (40 marigold seeds)
Quick Buy1 packet (40 marigold seeds) (TM08462) Save £1.50SEED SALE Despatch: within 7 Days
£2.49 £0.99
Just£0.99
Dahlia variabilis 'Bishop's Children'
1 packet (50 dahlia seeds)
Quick Buy1 packet (50 dahlia seeds) (TKA24163) Despatch: within 7 Days
£2.99
Just£2.99
Antirrhinum majus 'Circus Clowns'
1 packet (200 antirrhinum seeds)
Quick Buy1 packet (200 antirrhinum seeds) (52454) Despatch: within 7 Days
£2.49
Just£2.49
Marigold 'Alumia Vanilla Cream'
1 packet (50 marigold seeds)
Quick Buy1 packet (50 marigold seeds) (TKA52329) Despatch: within 7 Days
£2.29
Just£2.29
1 packet (100 cosmos seeds)
Quick Buy1 packet (100 cosmos seeds) (TKA23963) Despatch: within 7 Days
£2.99
Just£2.99
Dahlia variabilis 'Pompone Mixed'
1 packet (50 dahlia seeds)
Quick Buy1 packet (50 dahlia seeds) (TM01494) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (30 cosmos seeds)
Quick Buy1 packet (30 cosmos seeds) (TKA24015) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (60 laurentia seeds)
Quick Buy1 packet (60 laurentia seeds) (TX07405) Save £0.30SEED SALE Despatch: within 7 Days
£0.99 £0.69
Just£0.69
1 packet (25 nasturtium seeds)
Quick Buy1 packet (25 nasturtium seeds) (TKA23859) Despatch: within 7 Days
£1.69
Just£1.69
Gazania 'Kiss Bronze' F1 Hybrid
1 packet (20 gazania seeds)
Quick Buy1 packet (20 gazania seeds) (TT07114) Save £2.40SEED SALE Despatch: within 7 Days
£3.69 £1.29
Just£1.29
Petunia hybrida 'Purple Tower' F1 hybrid
1 packet (25 petunia seeds + 25% EXTRA FREE)
Quick Buy1 packet (25 petunia seeds + 25% EXTRA FREE) (TKA48324) Despatch: within 7 Days
£2.69
Just£2.69
1 packet (50 morning glory seeds)
Quick Buy1 packet (50 morning glory seeds) (TKA23845) Despatch: within 7 Days
£2.69
Just£2.69
1 packet (650 lobelia seeds)
Quick Buy1 packet (650 lobelia seeds) (TM03820) Despatch: within 7 Days
£1.59
Just£1.59
Cosmos bipinnatus 'Cupcakes White'
1 packet (30 cosmos seeds)
Quick Buy1 packet (30 cosmos seeds) (TKA79674) Despatch: within 7 Days
£1.99
Just£1.99
Antirrhinum 'Axiom Series Mixed' F1 Hybrid
1 packet (30 antirrhinum seeds)
Quick Buy1 packet (30 antirrhinum seeds) (TM07569) Save £2.70SEED SALE Despatch: within 7 Days
£3.99 £1.29
Just£1.29
1 packet (150 aster seeds)
Quick Buy1 packet (150 aster seeds) (23815) Despatch: within 7 Days
£2.99
Just£2.99
Zinnia elegans 'Giant Double Mixed'
1 packet (60 zinnia seeds)
Quick Buy1 packet (60 zinnia seeds) (25442) Despatch: within 7 Days
£2.99
Just£2.99
Antirrhinum pendula multiflora 'Chinese Lanterns' F1 Hybrid
1 packet (20 antirrhinum seeds)
Quick Buy1 packet (20 antirrhinum seeds) (TX01868) SEED SALE Despatch: within 7 Days
£0.99
Just£0.99
Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid
1 packet (25 petunia seeds)
Quick Buy1 packet (25 petunia seeds) (TM06768) Save £2.50SEED SALE Despatch: within 7 Days
£3.49 £0.99
Just£0.99
Cosmos bipinnatus 'Sonata Series Mixed'
1 packet (30 cosmos seeds + 25% EXTRA FREE)
Quick Buy1 packet (30 cosmos seeds + 25% EXTRA FREE) (24101) Despatch: within 7 Days
£2.99
Just£2.99
Petunia x hybrida 'Duo Mixed' F1 Hybrid
1 packet (30 petunia seeds)
Quick Buy1 packet (30 petunia seeds) (TT06588) Save £2.40SEED SALE Despatch: within 7 Days
£3.69 £1.29
Just£1.29
Marigold 'Durango Tangerine' F1 Hybrid
1 packet (40 marigold seeds)
Quick Buy1 packet (40 marigold seeds) (23824) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (30 nasturtium seeds)
Quick Buy1 packet (30 nasturtium seeds) (TKA48322) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (75 seeds)
Quick Buy1 packet (75 seeds) (TT01921) Save £2.00SEED SALE Despatch: within 7 Days
£2.99 £0.99
Just£0.99
Tithonia rotundifolia 'Arcadian Blend'
1 packet (50 tithonia rotundifolia seeds)
Quick Buy1 packet (50 tithonia rotundifolia seeds) (TX03498) Save £0.50SEED SALE Despatch: within 7 Days
£1.49 £0.99
Just£0.99
1 packet (100 marigold seeds)
Quick Buy1 packet (100 marigold seeds) (TKA23822) Despatch: within 7 Days
£2.99
Just£2.99
1 packet (15 nasturtium seeds)
Quick Buy1 packet (15 nasturtium seeds) (TKA23794) Despatch: within 7 Days
£2.99
Just£2.99
Antirrhinum majus 'Purple Twist' F1 Hybrid
1 packet (30 antirrhinum seeds)
Quick Buy1 packet (30 antirrhinum seeds) (TT38761) Save £2.00SEED SALE Despatch: within 7 Days
£2.99 £0.99
Just£0.99
Lobelia erinus 'White Cascade'
1 packet (1000 lobelia seeds)
Quick Buy1 packet (1000 lobelia seeds) (TKA24122) Despatch: within 7 Days
£2.29
Just£2.29
1 packet (2000 nicotiana seeds)
Quick Buy1 packet (2000 nicotiana seeds) (TKA24136) Despatch: within 7 Days
£2.99
Just£2.99
*Calls cost no more than the national rate including calls from mobiles
Thompson & Morgan is secure.
© 2019 Thompson & Morgan. All rights reserved. A division of BVG Group Ltd.
