14 Self-seeding flowers
Many flowers self-seed, but the cosmos is one of the easiest to grow from seed. You can sow cosmos seeds indoors in late winter, early spring, or after the last frost. The seeds will germinate in 10 to14 days at a temperature of 18 to 21°C. Once they have germinated, Cosmos seedlings can be transplanted into individual pots and grown until large enough to plant out in the garden.
To sow cosmos seeds indoors:
You will need good quality seed compost to fill a seed tray or pot and firm down gently.
Sprinkle your seed evenly over the surface of the compost on the surface of the compost and need to cover them with a fine layer of vermiculite or grit—water well and place them in a warm, light position such as a windowsill or greenhouse.
Keep the compost moist but not waterlogged; the seeds should start germinating within 10 to 14 days.
Once they have germinated, thin out the seedlings to grow about 5 cm apart. Transplant them into 7.5 to 10 cm pots filled with good quality potting compost when they have their first true leaves. Grow Cosmos seedlings in a warm, light position and water them regularly so that the compost doesn’t dry out. Harden off your Cosmos plants for ten to fourteen days before planting them into their final positions in late spring or early summer.
Zinnia self-seeding flower, is an annual flower that blooms in late summer and early fall. These plants grow about 2 feet tall and will spread of 1 to 2 feet. The flowers are white, pink, or purple and have a yellow center. The leaves are green and lance-shaped. Zinnia plants prefer full sun but will tolerate some shade. It is drought tolerant and does not need much water once established. Zinnia self-seeding flower is an easy plant to grow and is good for beginners. It is also suitable for cutting and can be used in bouquets or arrangements.
As their name suggests, marigolds self-seed readily and at the end of the flowering season, if you allow them go to seed, you’ll have plenty of new plants to grow the following year. The best options are to let them go to seed, then cut back the plants in early autumn. This encourages a new growth from the roots. You require sowing the seeds flower in late autumn or early winter.
They usually germinate within a few weeks and flower in late spring or early summer. Be sure to thin out the seedlings if they become too crowded. You can also start marigolds from seed indoors in late winter or early spring. Sow the seeds on the surface of good quality seed compost and cover them with a fine layer of vermiculite or fine grit. Keep the compost moist but not wet, and place it warmly. The seedlings will usually appear within 2-3 weeks. Once they have grown large enough to handle, transplant them into pots or their final positions outdoors.
Plant a self-seeding variety if you want to enjoy sunflowers year after year. These flowers will drop their seeds in the fall, ensuring a fresh crop of blooms come spring. Select a sunny spot in your garden and sow the seeds directly into the ground. Keep the area free of weeds and water regularly. In no time, you’ll have a beautiful field of sunflowers!
Nasturtiums are fantastic self-seeding annual flowers. They are easy to grow and will reward you with abundant beautiful blooms throughout the summer. Nasturtiums are also great for attracting bees and other pollinators. At the end of the flowering season, If you let nasturtiums go to seed, they will self-seed and come back next year even stronger. To do this, allow the flowers to go to seed and then rake them into the soil in the fall. The seeds will overwinter and germinate in spring, resulting in a gorgeous display of flowers in your garden next year.
Cleome self-seeding flower is an annual flowering plant blooms in late spring to early summer. The blooms are pink, purple, or white and have a strong fragrance. Cleome plant grows about 3 feet tall and has long thin leaves. Cleome self-seeds readily, so if you want to grow it in your garden, you’ll need to deadhead the spent blossoms.
Snapdragons are beautiful self-seeding flowers that will brighten up any garden. Snapdragons are easy to grow and care for and will add a splash of color to any landscape. Snapdragon self-seeders are also great for cut flowers, as they will continue to bloom indoors long after they are cut.
Verbena is a self-seeding flower that is native to North America. The plant grows in a clump and can reach up to 3 feet in height. The leaves are opposite, ovate, and have toothed margins. The flowers are small and white, with five petals, and they grow in clusters at the ends of the stems.
Usually, Verbena blooms from June to September. To propagate Verbena, let the seeds fall to the ground where you want them to grow. Verbena will readily self-seed, so you don’t need to do anything special. Just be sure to provide the plant with well-drained soil and full sun. If you live in an area with hot summers, Verbena will appreciate some afternoon shade.
Calendula self-seeding flower, is an annual herb that blooms in the spring and summer. These flowers are a beautiful yellow color and have a strong fragrance. These plants grow about 2 feet tall and have long, slender leaves. The Calendula self-seeding flower is a member of the Asteraceae family, including sunflowers, daisies, and chrysanthemums.
This plant is native to Europe and has been introduced to North America including other parts of the world. Calendula self-seeding flower, is a common garden plant and is often used in bouquets and arrangements. The flowers can also be dried and used in potpourris.
Sweet alyssum is an annual flower commonly used as an ornamental plant in gardens and is a member of the cabbage family, Brassicaceae. The species is native to the Mediterranean region but has been introduced to other parts of the world, including North America. Sweet alyssum flowers are small and white, with four petals.
The plant typically grows to 10 to 30 cm. Sweet alyssum is a popular choice for gardeners as it is easy to grow and care for. The plant does not require much maintenance and will often self-seed itself, meaning that new plants will sprout up from the previous year’s crop. Sweet alyssum is also known to attract bees and other pollinators, which can benefit other plants in the garden.
Bachelor buttons are an annual flower that self-seeds readily. They are often seen as a wildflower but can also be cultivated in the garden. The flowers are blue, pink, or white and have a cheery appearance. They usually bloom in late spring or early summer and will often re-bloom if the spent flowers are removed. Bachelor buttons are easy to grow from seed and often self-seed in the garden if conditions are right. They prefer full sun and well-drained soil. Once established, they are drought tolerant.
They can be started indoors 4-6 weeks before the last frost date. To sow seed, scatter on the moistened soil’s surface and press in lightly. Keep the soil moist until germination, which usually takes 10 to 14 days. Once they are up and growing, bachelor buttons don’t need much care. Fertilize monthly with a balanced fertilizer during the growing season. Pinch back young plants to encourage bushiness. Deadhead spent flowers to encourage re-blooming. If you want to prevent self-seeding, remove the flower heads before they mature and release their seeds.
If you love the look of strawflowers but don’t want to deal with replanting them every year, consider letting them self-seed. Strawflowers are annuals that will die back at the end of the growing season, but they may drop seeds that will sprout and grow the following year. This can be a great way to have a continuous supply of strawflowers without much work.
To let strawflowers self-seed, you need to let the flowers go to seed at the end of the season. You can leave the flowers on the plant, cut them off, and dry them. After drying them, store them in a cool, dry place until spring. Then, you can sow the seeds directly in your garden or potting soil. Strawflowers are easy to care for and make a great addition to any garden. By letting them self-seed, you can enjoy their beauty for years to come with little effort.