Half Hardy Annuals

Half Hardy Annuals

Bring vibrant colour and effortless charm to your garden with our half-hardy annual seeds, which are the perfect way to fill your beds, borders, and containers with a dazzling display that lasts all summer long.

These easy-to-grow half-hardy annual seeds are ideal for gardeners of every level, rewarding you with a rich mix of blooms that thrive in the warmth. From bright marigold seeds and cheerful zinnia seeds to graceful cosmos seeds and delicately scented nicotiana seeds, each variety adds its own burst of character and colour.

Whether you’re creating bold, eye-catching displays or a softer, cottage-garden look, our half-hardy annual seeds offer endless possibilities for summer planting. Simply sow them indoors in spring, then plant out once the frost has passed for months of vibrant colour and natural beauty.

Buy your half-hardy annual seeds today and enjoy a garden bursting with colour, fragrance, and charm all season long.

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106 products

Nicotiana Roulette Mixed F2 SeedsNicotiana Roulette Mixed F2 Seeds
4 For 3 On ALL Seeds
Nicotiana Roulette Mixed F2 Seeds
Sale price £3.19
Children in Need Wildlife Mix PudseyChildren in Need Wildlife Mix Pudsey
4 For 3 On ALL Seeds
Children in Need Wildlife Mix Pudsey
Sale price £3.49
Zinnia Jazzy Red Flower SeedsZinnia Jazzy Red Flower Seeds
4 For 3 On ALL Seeds
Zinnia Jazzy Red Flower Seeds
Sale price £3.19
Stock Virginian Spring SparkleStock Virginian Spring Sparkle
4 For 3 On ALL Seeds
Stock Virginian Spring Sparkle 5.0
Sale price £3.19
RHS Lobelia Cascade Blue Seeds
4 For 3 On ALL Seeds
RHS Lobelia Cascade Blue Seeds
Sale price £3.25
Bee & Butterfly Wildflower MixGardening tools and a packet of seeds on a wooden table with a garden background.
4 For 3 On ALL Seeds
Bee & Butterfly Wildflower Mix
Sale price £9.99
Fothergills annual cut flower mix packaging on a yellow background with flowers aroundGreen wheelbarrow with gardening tools and a seed packet on a wooden surface.
4 For 3 On ALL Seeds
Annual Cut Flower Seed Mix
Sale price £9.99
Aster Colour Carpet MixedAster Colour Carpet Mixed
4 For 3 On ALL Seeds
Aster Colour Carpet Mixed
Sale price £3.19
Fothergills cottage flower mix packaging on a yellow background with flowers aroundGardening tools and a packet of seeds on a wooden table outdoors.
4 For 3 On ALL Seeds
Cottage Garden Flower Seed Mix
Sale price £9.99
Fothergills wildlife attracting mix packaging on a yellow background with flowers.Gardening tools and a packet of seeds on a wooden table outdoors.
4 For 3 On ALL Seeds
Wildlife Attracting Flower Seed Mix
Sale price £9.99
Everlasting Flowers Mix SeedsEverlasting Flowers Mix Seeds
4 For 3 On ALL Seeds
Everlasting Flowers Mix Seeds
Sale price £2.49
Didiscus Coeruleus Mix SeedsDidiscus Coeruleus Mix Seeds
4 For 3 On ALL Seeds
Didiscus Coeruleus Mix Seeds
Sale price £2.99
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Cosmos (Dwarf) Candyfloss Mix Seeds

Explore Half Hardy Annual Seeds for Planting

Our half-hardy annual Seeds are a wonderful choice for gardeners who love vibrant colour and a long-lasting display of blooms. These seasonal favourites complete their life cycle in just one year, like hardy annuals, but they need a little extra warmth to flourish. Start your half-hardy annual seeds indoors or in a greenhouse to give them the best head start before planting outside after the last frost.

Perfect for the UK climate, our half-hardy annual seeds include much-loved favourites like antirrhinum seeds, lobelia seeds, and petunia seeds, which reward you with months of brilliant colour, striking shapes, and a continuous wave of summer flowers. Ideal for borders, bedding, or containers, they bring cheerful brightness and natural beauty to every corner of your garden.

Order Your Half Hardy Annual Seeds at Fothergill’s Today

At Fothergill’s, we’re dedicated to providing UK gardeners with the highest-quality half-hardy annual seeds for vibrant summer displays. Our range of half-hardy annual seeds ensures you can create stunning borders, containers or bedding schemes, no matter the size of your garden space.

All our half-hardy annual seeds are rigorously tested in our labs and trial fields to guarantee high germination rates and strong, healthy plants, with 100% satisfaction guaranteed. Order your half-hardy annual seeds today and enjoy fast, reliable delivery so you can start sowing indoors with confidence.

For specific growing advice, explore our helpful growing from seed guide.