Cool Season Annuals - Flowers for Spring and Fall
Annual Flowers - Self-seeding Annuals for the Garden
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Self-Seeding Plants
Hamilton, associate professor of horticulture at the University of Tennessee, helped compile the list of these self-cleaning plants; they don't have to be deadheaded to prolong bloom: ...
A few self-seeding annuals, notably cosmos, poppies, and larkspur, are often used as leading color plants in a wildflower meadow. Although these annuals do shed seed by the millions, much of it is eaten by birds or carried away by rain.
Deadhead to avoid self-seeding.
More growing information: How to Grow Perennials
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Hardly a revolutionary horticultural practice, the jardin sauvage is based in part on permitting unplanned growth, such as that of self-seeding flowers that find their own cultural niche.
Gardeners must root cuttings to get new sunrose plants, but the self-seeding efforts of Santa Barbara daisy (Erigeron karvinskianus) will provide as many plants as you need.
These self-seeding annuals will provide a constant supply of salad greens until the herbs fill out the spiral and shade them out. Edible flowers such as nasturtium, calendula, and borage do well at the base.
Firewheel (also known as Indian blanket) is a sunny, self-seeding annual. It goes by the Latin name Gaillardia pulchella, and you can find it all over Texas' limestone prairies in spring and summer.
Self-seeding occurs when flowers that have bloomed and set seed distribute their seeds in the area. Wind, weather and animals can help distribute annual seeds.
Hardiness: Self-seeding annual.
Bloom Time: Midsummer to first frost.
Size: 4 to 6 feet high, 2 feet wide.
Flowers: Pink, purple and white airy, spider-like flowers.
Light Needs: Full sun to partial shade.
Deadhead fading flowers of bedding plants, annuals and herbaceous perennials regularly to stimulate new blooms and prevent plants from self-seeding.
In the fall garden, purple-red leaves of the self-seeding annual kiss-me-over-the-garden-gate (Persicaria orientale syn. Polygonum orientale) trap yellow maple leaves as they drop, ...
If their self-seeding becomes an issue, both the foliage and remaining seedpods can be cut back in the fall.
If you want to eat cucumber out of season, the small, short-lived, self-seeding perennial Salad Burnet (Sanguisorba minor) is the answer. Like Borage (Borago officinalis) it is an excellent winter salad plant with a cucumber flavour.
Deadhead spent flowers for continuous bloom and to prevent them from self-seeding. If you want Cosmos to self-seed next year; allow some of the seed heads to remain on the plant at the end of the season.
Growing Dill plants is easy and these plants may even become a self-seeding part of any garden or yard landscape.
Permalink -- click for full blog post "Growing Dill - How To Grow Dill And Its Culinary Uses" ...
If you are a free-spirited gardener, you'll be charmed by its habit of self-seeding -- in the same place it had been growing plus a smattering of seedlings popping up in other parts of the garden.
Seed Droppers. A little mess now can mean more beauty later. Let some self-seeding flowers such as pansies, cynoglossom, agrostemma, poppies, and nigella form seed heads.
'Grandma Einck's' dill: Large fragrant heads with yellow flowers; self-seeding annual (SeedSavers.org).
Pansies amongst the onions. I've got violas and pansies all over the place as spots of colour until the self-seeding calendula, borage and other edible flowers mature.
including the perennial lines 'Pacific Hybrids' and 'Magic Fountains,' can be a source of great pride to gardeners who live in cooler climes. In zones 7 and southward, larkspur, an annual type of delphinium, grows better; its self-seeding nature ...
Old blossoms should be removed from the plant to maintain vigor, prolong bloom, and prevent self-seeding. Deadheaded plants will flourish into early fall. Plants should be divided every two to three years to maintain vigor.
They will bloom the second year after being sown from seed and they are self-seeding.
Peonies: Peonies are a perennial favorite in many flower gardens. They will grow up to 4 feet tall and can be as short as two feet high.
 See also: Plant, Flower, Perennial, Growing, Spring
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