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 9 products.
 

Petunia x hybrida 'Purple Velvet' F1 Hybrid

The best ever basket petunia from seed! 'Purple Velvet' out-performs expensive cutting raised Surfinia petunias. Trailing stems, up to 1m (3ft) in length, are continuously smothered in velvety, purple blooms until the first frosts.Excellent for baskets and containers. Can also be planted in borders where it will make very effective ground cover. 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 (12 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69

Morning Glory 'Carnevale di Venezia'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

A vigorous climber producing masses of spectacular, striped blue and pink blooms with intricate markings, as if painted individually. Flowers all summer, transforming your garden with all the dazzling colours of the Venice Carnival. Twining climber to 2m (6ft). More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
    •  
    • £0.99

Petunia grandiflora 'Double Cascade Burgundy Plum Vein' F1 Hybrid

Giant, fully double flowers of burgundy or plum veined, often more than 10cm (4in) across! Add to this its cascading habit and you have one of the very best basket and container plants creating a waterfall of pleated powderpuffs all summer long. Height: 23-30cm (9-12in). 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.Click here to buy now. More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £3.69

Morning Glory 'Star Of Yelta'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

 Customer Rating
A stunning and very striking garden plant which can be used as a climber or ground cover subject. The large flower buds open to royal a deep purple, silk-like, 7cm (3in) bloom with rich red vein markings, forming a star from the very centre to the petal tips. You can also grow it in a container where it will cascade over the side, and if supported, will climb to form a dome. Flowers summer. Climber to approximately 180cm (6ft).
More info
    • 1 packet (25 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99

Petunia grandiflora 'Double Cascade Blue' F1 Hybrid

Attractive, large fully double blooms in the deepest velvety blue, almost look black when shimmering in the sunshine. The flowers have an added bonus of quickly recovering after a shower of rain. Their cascading habit makes them ideal as groundcover or tumbling over the sides of containers or baskets. Height: 23-30cm (9-12in) 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 (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.99

Morning Glory 'Hazelwood Blues'

Ipomoea

The stunning colour mixture of Ipomoea Hazelwood Blues brings together some of the most attractive shades of blue available in Morning Glories. This is a truly vigorous annual climber, ideal for covering fences, trellis or an ornamental garden arch. Ipomoea Hazelwood Blues will also look spectacular planted in a large container and then trained up and through an obelisk to create a wonderful patio feature. More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99

Morning Glory 'Kniolas Black Night'

Ipomoea purpurea, Convolvulus purpureus, Pharbitis purpurea

An abundance of very attractive purple - black flowers with cerise throats, covering this very vigorous climber. Ideal planted in a sunny situation, up trellis or left to ramble amongst other climbers or shrubs. Climbs to 180-240cm (6-8ft). More info
    • 1 packet (30 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.49

Nolana paradoxa 'Sun Belle Mixed'

Succulent trailing foliage becomes a mass of blue, purple and white bells, each with an accentuated yellow and white throat. Plants show great drought resistance and will look stunning all summer grown in baskets, containers or as a ground cover plant in hot sunny borders. More info
    • 1 packet (100 seeds)

    • Despatch: Within 2 Days
    •  
    • £2.19

Morning Glory 'Hazelwood Blues' - Part of the Alan Titchmarsh Collection

Ipomoea

 
  • Vigorous climber
  • Quick and easy to grow

Got an ugly fence or trellis to hide? Planting this vigorous annual climber will solve this problem in no time at all. Morning Glory 'Hazelwood Blues' produces large blooms in a stunning mixture of blue shades and will quickly transform these areas into an ornamental garden feature. Height: 240cm (8ft). Spread 30cm (12").

More info
    • 1 packet (35 seeds)

    • Despatch: Within 2 Days
    •  
    • £1.99