Thompson & Morgan

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Half-hardy Annual Seeds


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 all 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.



We have found 26 products.
 

Cosmos bipinnatus 'Rubenza'

 Customer Rating
Wonderfully easy-to-grow plants which flower all summer until the first frosts. The dark, ruby-red blooms of Cosmos bippinatus Rubenza change to a lovely traditional rose red as they mature - their outstanding colour has earned them a Fleuroselect Novelty award. Cosmos bippinatus Rubenza shows excellent garden performance, especially planted in borders in drifts.
More info
    • 1 packet (60 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Cosmos bipinnatus 'Sonata Series Mixed'

An award winning variety in a superb mixture of colours. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24Ó) making it perfectly proportioned for sunny borders and containers. The 8cm (3Ó) wide, daisy-like blooms of Cosmos 'Sonata Series Mixed' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for a colourful bouquet. Cosmos 'Sonata Series Mixed' is particularly useful for exposed positions. Height: Up to 60cm (24Ó). Spread: 45cm (18Ó).
More info
    • 1 packet (30 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.69

Cosmos bipinnatus 'Pied Piper Red'

The only separate colour available in the Sea Shells type, with fluted, shell-like petals of velvet crimson-red. The ferny foliage helps to make this a wonderful cut flower as well as a good back of border plant.
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    • 1 packet (100 seeds)

    • Despatch: By end of May 2015
    •  
    • £0.99

Cosmos bipinnatus 'Sonata Series White'

A Fleuroselect Award Winning variety with purest white blooms. This beautiful dwarf Cosmos reaches a maximum height of 60cm (24Ó) making it perfectly proportioned for sunny borders and containers. The 8cm (3Ó) wide, daisy-like blooms of Cosmos 'Sonata Series White' float above the finest lacy foliage. Strong stems and a long vase life make this compact annual ideal for cutting for an elegant bouquet. Cosmos 'Sonata Series White' is particularly useful for exposed positions. Height: Up to 60cm (24Ó). Spread: 45cm (18Ó).
More info
    • 1 packet (100 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Petunia grandiflora pendula 'Lady Purple' F1 Hybrid

This genuinely cascading Petunia is smothered in bright purple-pink flowers, each with a black throat. Plants are only 15cm (6in) high and can spread up to 90cm (3ft), making them ideal candidates for all types of container and baskets. Non-stop flowering, even during mild frosts, gales and heavy rain, plants will quickly revive. Because plants are seed raised, you can grow with confidence, assured that there is no risk of virus. Awarded a Fleuroselect Quality Mark. Growing tip: Get the best out of your petunias with our specially formulated Petunia Fertiliser - the perfect balance of nutrients to get them off to a flying start and nourish them through the summer. More info
    • 1 packet (20 seeds)

    • Despatch: By end of May 2015
    •  
    • £4.49

Zinnia marylandica 'Double Zahara Strawberry'

Boasting an exceptionally long flowering period, we believe Zinnia 'Double Zahara Strawberry' to be the best double, dwarf Zinnia on the market. Large, fully double blooms in a vivid strawberry colour are produced in abundance on compact, low-growing plants. With good heat and drought tolerance and excellent disease resistance, these exciting annuals need little maintenance to put on a fabulous display. Height and spread: 45cm (18"). More info
    • 1 packet (12 seeds)

    • Despatch: By end of May 2015
    •  
    • £3.79

Bidens ferulifolia 'Golden Eye'

 Customer Rating
From T&M's own breeding program comes this prostrate form of Bidens, Ideally suited for baskets and containers or tumbling over low walls, the bright yellow flowers and ferny foliage will enhance the summer sunshine in any garden. Flowers summer. Height: 25-30cm (10-12in).
More info
    • 1 packet (75 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Cosmos bipinnatus 'Antiquity'

A completely unique colour in Cosmos. Flowers are rich burgundy on opening and change to an antique bronze-salmon when ageing creating an attractive, two-toned effect. Very early flowering and floriferous all summer. Excellent for borders or containers.
More info
    • 1 packet (30 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Cosmos bipinnatus 'Double Click Snow Puff'

The spectacular white, pom-pom flowers with a delicate hint of blushed pink of Cosmos Double Click Snow Puff sit on sturdy stems making this latest colour in the 'Double Click' series. Makes an excellent cut flower as well as adding height and interest to borders all summer.
More info
    • 1 packet (50 seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Cosmos bipinnatus 'Double Click Trio'

Double Click Trio comprises 1 packet each of:
Cosmos 'Double Click' Mixed - stunningly vivid blooms, each with a double row of unusually fluted petals, range in colour from rosy-red to white and pink shades.
Cosmos Double Click 'Rose Bonbon' - spectacular, rose-pompom flowers sit proudly on top of strong stems, making Double Click Rose Bonbon a 'must' for adding height to summer borders.
Cosmos Double Click 'Snow Puff' - spectacular white, pompom flowers with a delicate hint of blushed pink.
More info
    • 3 packets - 1 of each variety (165 seeds in total)

    • Despatch: By end of May 2015
    • SAVE £1.98  
    • £8.97 £6.99

Zinnia marylandica 'Zahara Sunburst'

Another great Zinnia from the popular Zahara range! Zinnia marylandica 'Zahara Sunburst' boasts particularly large red and yellow bicolour blooms for a bedding variety - the first of this colour to be available from seed! These compact, dwarf annuals are free-flowering, and show excellent garden performance along with good disease resistance. The perfect low maintenance bedding plant for containers, beds, borders and wildlife gardens, where they will attract plenty of butterflies to their nectar rich flowers. Height and spread: 40cm (16"). More info
    • 1 packet (15 zinnia seeds)

    • Despatch: By end of May 2015
    •  
    • £2.99

Salvia farinacea 'Victoria'

Mealy Sage, Mealycup Sage

Tall, handsome spiky plants which add a touch of elegance to a bed or border. The flower spikes are produced over a long period and are excellent for cutting. A Fleuroselect Bronze Medal Winner. Flowers summer/autumn. Height 18in.
More info
    • 1 packet (100 seeds)

    • Despatch: By end of May 2015
    •  
    • £3.49