Thompson & Morgan

Important delivery notice
The products on this site are only delivered to UK addresses. If you require delivery to another country please visit one of our other sites below.

Refine Results

Refine by..

Email Newsletter

Sign up to our newsletter

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 34 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: Within 1 days
    •  
    • £2.99

Rudbeckia hirta 'Prairie Sun'

Coneflower, Black-eyed Susan

 Customer Rating

An impressive debut for beds and borders, this unique new plant was awarded a Fleuroselect Gold Medal. The unusual blooms with central green cones and bright orange petals radiating back to lemon yellow, make dazzling cut flowers.

More info
    • 1 packet (25 seeds)

    • Despatch: Within 1 days
    •  
    • £3.49

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: Within 1 days
    •  
    • £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.
More info
    • 1 packet (100 seeds)

    • Despatch: Within 1 days
    •  
    • £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: Within 1 days
    •  
    • £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: Within 1 days
    •  
    • £4.49

Cosmos bipinnatus 'Double Click Rose Bonbon'

Following the amazing success of Double Click Mixed, this is the first straightcoloured, high-quality, fully-double Cosmos from seed to be introduced! The spectacular, rose pom-pom flowers sit proudly on top of strong stems, making Double Click Rose Bonbon a 'must' for adding height to summer borders and an imposing and rarely-seen cut flower. Height: 60-90cm (2-3 feet).
More info
    • 1 packet (40 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

Cosmos bipinnatus 'Double Click'

The best quality, award winning, double and semi double mixed Cosmos ever! A colourful blend, including rosy-red, white and pink shades. Ideal planted in small drifts, adding height and colour to cottage and annual borders. Height: 90-100cm (36-40 inches).
More info
    • 1 packet (75 seeds)

    • Despatch: Within 1 days
    •  
    • £2.99

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: Within 1 days
    •  
    • £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: Within 1 days
    •  
    • £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: Within 1 days
    •  
    • £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: Within 1 days
    •  
    • £2.99