Bringing yellow into the garden can really brighten up the landscape with color. Yellow flowers can be used to blend together a mix of color, pop color in the middle of textured foliage like ferns, or whatever the gardener’s fancy. Choices for yellow flowers can include Jerusalem artichoke, Yellow Flag, Oxeye Sunflower, Loofah or Butter Daisy.
Jerusalem Artichoke, or Heianthus tuberosus, is from the Asteraceae/Compositae, or Aster/Daisy, family. It is a perennial plant that is good for beginners and will attract butterflies and birds to the garden. It can get 10 feet tall and near 10 feet wide with leaves around 5 to 10 inches long. It has an edible tuber root and yellow flowers 3 to 4 inches wide. It requires well drained soil, full sun or partial shade, and can be propagated via tubers in spring or after first fall frost.
Yellow Flag, or Iris pseudocorus, is from the Iridaceae, or Iris, family. It is a perennial plant that is good for beginners and is fast growing. It has sword-like leaves 3 to 5 feet long and yellow flowers 3 to 4 inches wide on tall stalks that reach 4 feet. It requires full sun if in very moist soil or partial shade if in average soil. Propagate via late summer division or by seed in the fall.
Oxeye Sunflower, or Heliopsis helianthoides, is from the Asteraceae/Compositae, or Aster/Daisy, family. It is a perennial plant, good for beginners, and attracts butterflies to the garden. It can get 5 feet tall with 3 to 6 inch leaves and 2 inch flowers. Flowers are mid summer to fall. It requires any soil, full sun or partial shade, and can be propagated via seed, cuttings, or clump division when dormant.
Loofah, or Luffa aegyptiaca, is from the Cucurbitaceae, or Pumpkin, family. The loofah is a vine like annual beginner plant that is fast growing. They are used as bath aids and back scrubbers. The vine gets 30 feet long with 2 to 3 inch flowers and large lobed leaves. The fruits are 24 inches long, green, smooth and club shaped. It requires a sunny location and a trellis or something to grow on, plenty of water, and will propagate via seed.
Butter Daisy, or Melampodium divaricatum, is from the Asteraceae/Compositae, or Aster/Daisy, family. It is an annual, fast growing, that is good for beginner gardeners. It has many yellow flowers, 1 inch wide, with bright foliage. It requires well drained soil, good sun, average to dry locations, and will self seed from existing plants for propagation.
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