Half Hardy Annuals

Half Hardy Annuals

Discover our wide range of half-hardy annual seeds and plants, that will give you a magnificent display for your borders, containers or hanging baskets.

Half-hardy annuals can be sown indoors or in a heated greenhouse to give them an early start, and brought outside once the risk of frost has passed.

Explore our range of half-hardy annuals, where you’ll find several of our most popular varieties, such as cosmos and French marigolds.

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91 products

Cosmos Seashells Red SeedsCosmos Seashells Red Seeds

$3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Zinnia Whirlygig Improved Mixed SeedsZinnia Whirlygig Improved Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Coreopsis Incredible! Swirl Flower SeedsCoreopsis Incredible! Swirl Flower Seeds

    $2.54 Sale price$2.99
  • 15% Off (-$0.45)
  • Marigold (French) Red Cherry SeedsMarigold (French) Red Cherry Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (French) Yellow Jacket SeedsMarigold (French) Yellow Jacket Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Basil Sweet SeedsBasil Sweet Seeds

    $3.39 Sale price$3.99
  • 15% Off (-$0.60)
  • Verbena Scentsation White SeedsVerbena Scentsation White Seeds

    $5.09 Sale price$5.99
  • 15% Off (-$0.90)
  • Sunflower (Dwarf) Mahogany SeedsSunflower (Dwarf) Mahogany Seeds

    $4.24 Sale price$4.99
  • 15% Off (-$0.75)
  • Verbena Compact Mixed SeedsVerbena Compact Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Polidor Mixed SeedsCosmos Polidor Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Mixed Wildlife Attracting AnnualsMixed Wildlife Attracting Annuals

    $5.09 Sale price$5.99
  • 15% Off (-$0.90)
  • Lobelia Sapphire Trailing SeedsLobelia Sapphire Trailing Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Aster Colour Carpet MixedAster Colour Carpet Mixed

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Nicotiana Starlight Dancer Flower SeedsNicotiana Starlight Dancer Flower Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Zinnia Choice Mixed Flower SeedsZinnia Choice Mixed Flower Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Morning Glory Party DressMorning Glory Party Dress

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Zinnia Starburst Mixed Flower SeedsZinnia Starburst Mixed Flower Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Salvia Summer Jewel Pink Flower SeedsSalvia Summer Jewel Pink Flower Seeds

    $4.67 Sale price$5.49
  • 15% Off (-$0.82)
  • Gomphrena Mixed Flower SeedsGomphrena Mixed Flower Seeds

    $2.97 Sale price$3.49
  • 15% Off (-$0.52)
  • Marigold (African) Orange Beast F1 Flower SeedsMarigold (African) Orange Beast F1 Flower Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Mandarin Flower SeedsCosmos Mandarin Flower Seeds

    $4.24 Sale price$4.99
  • 15% Off (-$0.75)
  • Zinnia Jazzy Red Flower SeedsZinnia Jazzy Red Flower Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (African) Sugar & Spice White Flower SeedsMarigold (African) Sugar & Spice White Flower Seeds

    $2.54 Sale price$2.99
  • 15% Off (-$0.45)
  • Aster The Roses Flower SeedsAster The Roses Flower Seeds

    $2.54 Sale price$2.99
  • 15% Off (-$0.45)
  • Basil Dolce Vita Herb SeedsBasil Dolce Vita Herb Seeds

    $3.39 Sale price$3.99
  • 15% Off (-$0.60)
  • Cosmos Apricotta Flower SeedsCosmos Apricotta Flower Seeds

    $4.24 Sale price$4.99
  • 15% Off (-$0.75)
  • Helichrysum Strawflower SeedsHelichrysum Strawflower Seeds

    $2.54 Sale price$2.99
  • 15% Off (-$0.45)
  • Aster Kingsize Appleblossom SeedsAster Kingsize Appleblossom Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (African) Kees' Orange SeedsMarigold (African) Kees' Orange Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (French) Red KnightMarigold (French) Red Knight

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Double Dutch WhiteCosmos Double Dutch White

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Tetra Versailles Flush SeedsCosmos Tetra Versailles Flush Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Klondyke Mixed SeedsCosmos Klondyke Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Double Click Cranberries SeedsCosmos Double Click Cranberries Seeds

    $4.24 Sale price$4.99
  • 15% Off (-$0.75)
  • Zinnia Sombrero SeedsZinnia Sombrero Seeds

    $4.24 Sale price$4.99
  • 15% Off (-$0.75)
  • Cosmos Brightness Mixed SeedsCosmos Brightness Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Tetra Versailles Dark Rose SeedsCosmos Tetra Versailles Dark Rose Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Xanthos SeedsCosmos Xanthos Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (French) Honeycomb SeedsMarigold (French) Honeycomb Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Nicotiana sylvestris SeedsNicotiana sylvestris Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Statice Special Mixed SeedsStatice Special Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Dwarf Sensation Mixed SeedsCosmos Dwarf Sensation Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Seashells Mixed SeedsCosmos Seashells Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Marigold (French) Dwarf Double MixedMarigold (French) Dwarf Double Mixed

    $3.39 Sale price$3.99
  • 15% Off (-$0.60)
  • Phlox Moody Blues SeedsPhlox Moody Blues Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Cosmos Sweet KissesCosmos Sweet Kisses

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Petunia Mr F's Grandiflora Mixed F1 SeedsPetunia Mr F's Grandiflora Mixed F1 Seeds

    $5.09 Sale price$5.99
  • 15% Off (-$0.90)
  • Petunia Frost Mixed F1 SeedsPetunia Frost Mixed F1 Seeds

    $5.52 Sale price$6.49
  • 15% Off (-$0.97)
  • Mesembryanthemum Livingstone Daisy Mixed SeedsMesembryanthemum Livingstone Daisy Mixed Seeds

    $2.97 Sale price$3.49
  • 15% Off (-$0.52)
  • Cosmos Candy Stripe SeedsCosmos Candy Stripe Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Lobelia Cascade Mixed SeedsLobelia Cascade Mixed Seeds

    $3.82 Sale price$4.49
  • 15% Off (-$0.67)
  • Tagetes Lemon GemTagetes Lemon Gem

    $3.39 Sale price$3.99
  • 15% Off (-$0.60)