symbolism definition symbolism is the use of symbols to signify ideas and qualities by giving them symbolic meanings that are different from their literal sense symbolism can take different formsymbolism definition symbolism is the use of symbols to signify ideas and qualities by giving them symbolic meanings that are different from their literal sense symbolism can take different forms
Perennial sunflower is a crop of sunflowers that are developed by crossing wild perennial and domestic annual sunflower species.Annual sunflower is a major oilseed crop. Genes from wild perennial relatives may increase root depth and mass and extend the growing season.erennial sunflower is a crop of sunflowers that are developed by crossing wild perennial and domestic annual sunflower species. Annual sunflower is a major oilseed crop.
Companion Plants. Pointy, deep-green leaves of perennial sunflower plants allow for an exceptional backdrop to summer-blooming annuals. Brilliant yellow sunflowers dazzle among perennials like bluebeard blossoms (Caryopteris spp.), purple ironweed (Vernonia spp.) and butterfly bush (Buddleia spp.).igantic yellow blossoms burst open atop stalks that grow between 2 and 12 feet high on this North America native, a member of the Asteraceae family. Sunflowers thrive en masse in gardens and along borders, attracting butterflies and birds, but experiencing no serious disease or pest problems.