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Home » 7 flower seeds you can simply directly sow outside

7 flower seeds you can simply directly sow outside

    When I first started gardening, I was convinced growing flowers had to be complicated. Fancy greenhouses, seed trays, and endless repotting – it all sounded like too much work. But then I discovered something brilliant: there are plenty of flowers you can sow directly into the soil, skip the faff, and still end up with a garden full of colour.

    Now, direct sowing has become one of my favourite gardening tricks. It’s easy, low-effort, and honestly, there’s something magical about scattering seeds, watering them in, and watching tiny shoots pop up as if by magic. Whether you’re a seasoned gardener or just starting out, here are seven flower seeds you can simply sow straight into your garden – no fuss required.


    1. Sunflowers (Helianthus annuus)

    Who doesn’t love sunflowers? They’re the ultimate feel-good flower, towering above everything else and turning their faces to the sun. The first time I grew them, I felt like a proud parent watching them stretch taller and taller every day.

    Why They’re Great for Direct Sowing

    Sunflowers don’t like being moved, so direct sowing is actually the best way to grow them. Just pick a sunny spot, plant the seeds about 2cm deep, and water them in. In a couple of weeks, you’ll start to see those unmistakable leaves pushing through the soil.


    2. Cosmos (Cosmos bipinnatus)

    Cosmos are like the free spirits of the flower world. They’re so easy-going, and their delicate, daisy-like blooms add a touch of whimsy to any garden.

    My Cosmos Moment

    The first time I grew cosmos, I was amazed at how little effort they needed. I scattered the seeds in early spring, raked them lightly into the soil, and let nature do its thing. By summer, my garden was full of pastel pinks and whites that seemed to dance in the breeze.


    3. Sweet Peas (Lathyrus odoratus)

    Ah, sweet peas. These were the flowers that turned me into a direct-sowing convert. There’s nothing quite like their sweet, nostalgic scent wafting through the garden on a warm evening.

    How to Sow Them

    Sweet peas are super tough and can be sown as early as late autumn or early spring. I like to soak the seeds overnight before planting them about 2cm deep against a trellis or support. Watching them climb and bloom is pure joy.


    4. Poppies (Papaver rhoeas)

    Poppies hold a special place in my heart. They’re so simple yet stunning, and they remind me of fields in the countryside during summer.

    Why They’re Perfect for Direct Sowing

    Poppies hate being transplanted, so direct sowing is ideal. I sprinkle the seeds thinly over bare soil in early spring, press them down lightly, and let the rain do the rest. They’re quick to germinate, and before you know it, you’ll have those iconic, tissue-paper-like blooms.


    5. Nasturtiums (Tropaeolum majus)

    Nasturtiums are my go-to when I want a flower that’s cheerful, hardy, and edible! Yes, their peppery blooms make a gorgeous addition to salads (and they make me feel fancy when I’m plating up).

    My Lazy Gardener’s Trick

    Nasturtiums thrive on neglect, which is one of the reasons I love them. I scatter the seeds directly onto the soil in late spring, water them occasionally, and that’s it. They’ll flower their hearts out all summer long, even in poor soil.


    6. Calendula (Calendula officinalis)

    Calendula, or pot marigold, is the flower that keeps on giving. It’s easy to grow, blooms for ages, and has a charming, cottage-garden vibe that I adore.

    Why Calendula is Foolproof

    I scatter calendula seeds in early spring, rake them lightly into the soil, and water them in. Within weeks, the cheerful orange and yellow flowers start to appear. The best part? They self-seed like champions, so you’ll probably find them popping up year after year.


    7. Zinnias (Zinnia elegans)

    If you want bold, vibrant colour, zinnias are the way to go. Their blooms come in every shade imaginable, and they’re one of the easiest flowers to grow from seed.

    My Zinnia Revelation

    I was a bit late to the zinnia party, but once I tried them, I was hooked. I sow them directly in late spring after the last frost, and they take off like rockets. They’re also brilliant as cut flowers – I love bringing their cheerful blooms indoors.


    Why I Love Direct Sowing

    There’s something so freeing about direct sowing. It takes away the stress of fiddling with seed trays and transplanting delicate seedlings. Plus, it feels more natural – like you’re working with nature instead of against it.

    Some of my best gardening moments have come from kneeling in the soil, scattering seeds, and wondering what would grow. There’s always a sense of anticipation, and when the first green shoots appear, it’s like a little gift from the earth.


    Final Thoughts

    If you’ve ever hesitated to grow flowers because it seemed too complicated, I promise you, direct sowing will change your mind. It’s simple, satisfying, and a fantastic way to fill your garden with colour and life.

    So, grab a few packets of seeds, head outside, and start sowing. Trust me – in a few months, you’ll be standing in your garden, surrounded by blooms, and thinking, “Why didn’t I do this sooner?”