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1Sweet Alyssum (Lobularia maritima)self seeding flowers sweet alyssum flowersNawin_nachiangmai//Getty Images

Light: Full sun

Sweet alyssum is a low-growing annual with honey-scented flowers. Pollinators love this flower, which blooms well into autumn until a hard freeze. The minuscule seeds will spread everywhere, filling in cracks between stone paving and garden beds to provide a carpet of white or pink.

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2Cosmos (Cosmos bipinnatus)white cosmosGetty Images

Light: Full sun

Cosmos have feathery foliage and beautiful flowers in every colour of the rainbow. These annuals produce more blooms if you deadhead, but if you want them to self-seed, leave a few to go to seed so they can drop into your flower beds. They’re a great addition to cutting gardens.

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3Love in a Mist (Nigella damascens)self seeding flowers love in a mistAlex Manders//Getty Images

Light: Full sun

This charming flower has a delightful name, lacey foliage and the most ethereal-looking flowers you’ve ever seen in shades of blue, pink or white. It’s a lovely annual to sow amidst your flower or vegetable garden, where it will return for years.

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4Ammi (Ammi majus)self seeding flowers ammiimageBROKER/Markus Keller//Getty Images

Light: Full sun

Ammi is a tall annual that pollinators love. However, this plant tends to reseed a wee bit aggressively, so deadhead some of the spent flowers and let only a few go to seed – otherwise, this plant can take over. Its flat white or pinkish flowers are amazing in cut bouquets.

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5Viola (Viola tricolor)bright blossoming tricolor pansy gardenyumehana//Getty Images

Light: Full sun to partial shade

Violas are a hallmark of spring. These annuals prefer cool weather and will happily bloom until the heat of summer arrives, self-seeding for next year. Plant them in partial shade, and their blooms will last longer.

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6French marigoldsorange yellow french marigold or tagetes patula flower on a blurred garden background. marigolds.selective focus.svf74

Light: Full sun

This sturdy annual has been a favourite for generations because it’s so cheerful, easy to grow and tolerates heat and droughts. When the flowers dry up, help them self-seed by removing the spent flower head, breaking it open and spreading the seeds across your beds and borders. Deadheading them this way will also produce more blooms.

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7Forget Me Not (Myosotis spp)self seeding flowers forget me notsAgnieszka Klimaszewska//Getty Images

Light: Full sun to partial shade

It’s a joy to see these clusters of azure-blue flowers popping up in gardens in spring and early summer. These little blue beauties also self-seed prolifically, so they’ll quickly spread around the base of other plants, crowding out weeds and providing soil cover.

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8Lupine (Lupinus)self seeding flowers lupineSteve Satushek//Getty Images

Light: Full sun to partial shade

This hardy perennial prefers cool weather, and its gorgeous spikes of pink, blue or white flowers appear in early spring. Because it’s a short-lived perennial that only thrives for a few years, it’s smart to allow it to self-seed so you have flowers again next year.

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9Poppy (Papaver)self seeding flowers poppiesArina_Bogachyova//Getty Images

Light: Full sun

Poppies can be annual or perennial, but the common red poppy, which is as hardy a flower as you’ll ever plant, is an annual. Once its flower fades, it forms a round-ish capsule full of seeds that happily self-seed in the garden.

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10Allium (Allium spp)self seeding flowers alliumClive Nichols//Getty Images

Light: Full sun

Alliums have striking ball or drumstick-shaped flowers that appear in spring to summer, depending on the variety. These pollinator-friendly perennials are fabulous self-seeders, and if they pop up somewhere you don’t want them, simply transplant the hardy seedling elsewhere.

There are both edible alliums, such as chives and garlic chives, and ornamental cultivars with various heights ranging from a foot to three feet tall.

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11Vervain (Verbena bonariensis)self seeding flowers verbena bonariensisTatianaMironenko//Getty Images

Light: Full sun

The tall, gangly stems of vervain make a wonderful addition to cutting gardens and traditional border garden design – plus, pollinators love them. Vervain self-seeds readily in autumn – but due to its tall, airy stems, it doesn’t crowd or smother other plants.

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Headshot of Arricca Elin SanSone

Arricca Elin SanSone is a writer, editor, and content creator who specializes in lifestyle and gardening. With a background in health reporting, she applies these same research skills when writing about the science of growing things. She trials new plants in her expansive garden, and her houseplant collection consists of 60+ varieties. Arricca has written thousands of articles for publications such as Country Living, House Beautiful, Good Housekeeping, Prevention, VERANDA, Southern Living, and more. She’s happiest when digging in the dirt, baking, or spending time with the people and dogs she loves.

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