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.
Sunflowers are of either standard height or double dwarf. The dwarf sunflower seldom achieves more that 40 inches in height while standard height hybrids can exceed 6 feet if growing conditions are good. The primary advantage of dwarf hybrids is lodging resistance.