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98-105 days. Goldsturm rudbeckia seeds promise an award-winning and European twist to a classic American bloom. Goldsturm seeds grow robust 24-36 inch tall rudbeckias brimming with dazzling 3 inch blooms of golden yellow petals around a coned chocolate center. Rudbeckia Goldsturm is a German hybrid crossed with the traditional American Black-Eyed Susan and recipient of the "Award of Garden Merit" by the Royal Horticultural Society and named "Plant of the Year" by the Perennial Plant Association. Goldsturm rudbeckias seeds are an ideal grow around the flower bed for season-long color and will keep bees and butterflies around all summer.
Goldsturm rudbeckia is easy to grow from seed and recommended for direct sowing outdoors after the frost. Rudbeckia has a wildflower habit and most commonly sown by broadcasting. Blend rudbeckia seeds with sand to increase visibility during sowing. Broadcast the mix over a 10-square foot area and evenly rake and lightly tamp or, for traditional sowing, plant 3-4 Goldsturm rudbeckia seeds in moist, Organically rich, and well-drained soil in full sun. Goldsturm rudbeckia can be susceptible to downy and powdery mildew. A common disease among Goldsturm is angular leaf spot caused by bacteria. Angular leaf spot causes black or brown spotting on the leaves which then expand to darken the whole leaf unless pruned. Infection will begin on the lower leaves and move up the plant. Cut back spent foliage, leaves, and blooms after flowering to prolong vitality into the fall. Rudbeckias will benefit from partial shade during severe summers. Rudbeckia Goldsturm seeds mature in 98-105 days as bushy 24-36 inch tall uprights with a 18-24 inch spread stemming with 3 inch golden yellow daisy-like blooms with chocolate cone centers.
Goldsturm is the 1999 Perennial Plant Association "Plant of the Year" and recipient of the 1993 Royal Horticultural Society's "Award of Garden Merit." Goldsturm rudbeckia is a hybrid crossed and bred in 1937 by German horticulturalist Heinrich Hagemann and is still one of the world's most popular blooms cultivated today.
Golden yellow petals around a coned chocolate center
Taxonomy: Rudbeckia fulgida var. sullivantii
Days to Maturity:
Plant 3-4 seeds ¼ inch deep or broadcast directly
24-26 inch tall bushy upright 18-24 inch wide covered in 3 inch daisy-like blooms
Moist, Organically rich, well-drained
Sow Indoors or Outdoors:
Goldsturm is easy to grow from seed and recommended for direct sowing outdoors after the frost. Rudbeckia has a wildflower habit and most commonly sown by broadcasting. Blend rudbeckia seeds with sand to increase visibility during sowing. Broadcast the mix over a 10-square foot area and evenly rake and lightly tamp.
Goldsturm can be susceptible to downy and powdery mildew. Cut back spent foliage, leaves, and blooms after flowering to prolong vitality into the fall. A common disease among Goldsturm is angular leaf spot caused by bacteria. Angular leaf spot causes black or brown spotting on the leaves which then expand to darken the whole leaf unless pruned. Infection will begin on the lower leaves and move up the plant.
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