But are sunflowers perennials that will come back after the winter? That depends on which sunflower you’re talking about, because some species are perennials and others are annual. Here's what ...
Some sunflowers are perennials and others are annuals. Here's what to know about each type. Laurie Black Sunflowers are gorgeous native plants that can grow to amazing heights in a single year.
Strictly speaking, trees and shrubs are perennials, but we tend to think of perennials as long-lived plants. Perennials mostly flower in spring, summer or autumn, with a handful blooming in winter, ...
A rhizomatous, clump-forming perennial to 2m tall with dark green, narrowly-ovate and toothed leaves. Bright yellow flowerheads with dark centres,10-12cm in diameter, are borne from late summer into ...