Many plants, herbs, and vegetables require you to save up seed and plant them again every growing season. Not self-seeding plants, however.
Once they are planted, they will disperse their own seeds to grow again. All you need to do is sit back and watch them bloom.
Here are 25 self-seeding flowers, herbs, and veggies that you only need to plant once in your garden.
Poppy (Papaver rhoeas)
Poppies are self-seeding and can grow in difficult conditions as well. They grow from late spring to early summer.
Hardiness zone: 3 to 10
Giant Larkspur (Consolida ajacis)
The Giant Larkspur can grow up to 4-feet tall and are typically blue, white, or pinkish in color. Each seedpod contains numerous tiny seeds that will help them grow again next season.
Hardiness zone: 2 to 11
Honeywort (Cerinthe major ‘Purpurascens’)
Nectar-loving creatures such as bees and hummingbirds are attracted to the flavor from the honeywort flower. This helps protect the surrounding biodiversity by providing a food source for pollinators. Big seeds are dispersed from the plant every autumn to grow again in the spring.
Garden Angelica (Angelica archangelica)
This biennial plant produces a bevy of interesting shapes and textures. The Garden Angelica will re-produce on its own and visit your garden again next season without needing to be re-planted.
Hardiness zone: 5 to 7
Common Blue Violet (Viola sororia)
This low-growing perennial wildflower is a stemless plant that disperses seeds every summer. They also add a dash of color to your home garden.
Hardiness zone: 3 to 7
Parsley (Petroselinum crispum)
While parsley is often planted fresh every spring, it doesn’t necessarily need to be. It will self-seed in most climates and does not need to be re-planted.
Hardiness zone: 5 to 9
Dill (Anethum graveolens)
Lots of animals and insects eat dill. Bees and other pollinators enjoy the herb as do humans! Every year, this plant drops its seeds to the ground for them to grow again next season.
Hardiness zone: 2 to 9
Mountain Spinach (Atriplex hortensis)
Sometimes also called orach, mountain spinach is much like typical spinach except it grows in warmer weather. It can be grown all year long and will self-sow with little black seeds it disperses.
Hardiness zone: 4 to 8
Carrot (Daucus carota subsp. sativus)
Carrots will flower and self-sow provided several cartoon rabbits have not stolen the entire harvest. Leave a few carrots in the ground at the end of the season and they will reproduce for you next season.
Hardiness zone: 3 to 10
Lettuce (Latuca sativa)
Many people use the “cut and come again” technique with lettuce, just taking a little from a plant at a time and thus allowing it to continue developing. If you let it grow out completely to the end of its cycle, it will self-sow for the following year.
Hardiness zone: 4 to 9
Cilantro (Coriandrum sativum)
Cilantro should be planted early in order to get a good harvest. It doesn’t respond well to warmer summer temperatures. So long as you don’t remove all the flowers at the end of the season, they will reproduce again in the fall.
Hardiness zone: 2 to 11
Kale (Brassica oleracea)
This healthy but not-great-tasting vegetable is biennial and will drop seed pods in its second year. Go ahead and make yourself a disgusting but nutritious smoothie! You might gag a little but you’ll be super healthy.
Hardiness zone: 7 to 10
Lychnis Coronaria (Rose Campion)
These flowers might look pretty but if you give them an inch, they will take up a mile. They are efficient self-sowers and don’t mind taking up some space.
Hardiness zone: 4 to 8
Love-in-a-Mist (Nigella damascena)
These stunning flowers typically are blue but can be pink, white, and lavender as well. They grow from June to August. So long as you don’t remove the seed pods, they will reseed every year on their own.
Hardiness zone: 2 to 11
Sweet Alyssum (Lobularia maritima)
Not only is sweet alyssum a self-seeding plant, it has two seeds per pod, meaning it can double its own population every growing season.
Hardiness zone: 5 to 9
Calendula (Calendula officinalis)
Not only is Calendula a self-sowing plant that you’ll only need to plant once, but it is also beneficial to pollinators such as bees and butterflies who play an important role in keeping our ecosystems healthy. Plant it once, and it’ll keep helping the planet every new growing season.
Hardiness zone: 2 to 11
Morning Glory (Ipomoea spp.)
These gorgeous flowers with stunning colors can grow up to 15-feet in length. They are extremely efficient self-sowers and will produce more plants in each generation.
Hardiness zone: 3 to 10
Cosmos (Cosmos bipinnatus)
These self-seeding flowers can grow up to 4-feet tall and you’ll only ever have to plant them once. Deadheading the flowers will prevent self-sowing, however.
Hardiness zone: 2 to 11
Arugula (Eruca versicaria)
This plant/salad ingredient is harvested in the early summer. By midsummer, arugula has already had enough and is ready to pack it in. It will leave its seed to grow next summer, however.
Hardiness zone: 5 to 9
Foxglove (Digitalis purpurea)
These towers of purple flowers are widespread throughout Europe and the United States. There is actually heart medicine derived from this plant and it can be poisonous.
Hardiness zone: 4 to 10
Bachelor’s Button (Centaurea cyanus)
These fun blue flowers are also occasionally called “cornflower” because they grew in cornfields. They will spread far but are fairly easy to remove if they begin to take over an area.
Hardiness zone: 2 to 11
Blue Woodruff (Asperula orientalis)
This plant is often considered a wildflower. After a generation, you might start to notice them peeking out from other plants in your garden. Rabbits really love these plants, however, so you’ll need to be mindful of that.
Hardiness zone: 1 to 11
Candytuft (Iberis)
Seed these flowers early and they will make your garden look like someone has scattered bags of cotton candy all around it. They are cool weather plants and need to bloom before temperatures get too hot.
Hardiness zone: 4 to 8
Satin flower (Clarkia amoena)
These plants can grow up to 2 feet tall and are best grown in cooler temperatures. They will add a red or pink glow to your garden and won’t need to be planted again.
Hardiness zone: 2 to 11
Gloriosa Daisy (Rudbeckia hirta)
With several varieties available, you’ll never get bored with these black-eyed Susans. They can grow up to 3-feet in height and are considered easy to grow.
Hardiness zone: 3 to 8
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