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Rudbeckia (Black-Eyed Susan)

Black-Eyed Susan are perennials from open spots in prairies and sunny mountain meadows in North and Middle America. They develop numerous and very colorful, bright yellow flowers on medium to tall stalks throughout summer. Many species are excellent cut flowers. Rudbeckia are easily cultivated in any rich, well drained soil in a sunny spot. They are very robust and adopt very well to various soil types.
Sow flat in any rich, well drained soil. Keep pots in a sunny , protected spot outside. Several species require a cooling period of several months prior to germination. If these species are sowed late in the year, they do not germinate before spring in the following year. Transplant to the final spot in the garden in late summer to autumn.
All are USDA Climate Zone 6.
20 seeds per package.
Articles
Rudbeckia ampla (Golden Glow)

Rudbeckia ampla (Golden Glow)

170 (220)cm, Golden Glow is a beautiful, tall herbaceous perennial with large, bright yellow flower heads with an elongated disk. It is native of mountainous semi-moist meadows and alongside streams in NC USA. For any rich, well drained soil in full sun. VII-IX.

Rudbeckia fulgida (Orange Coneflower)

Rudbeckia fulgida (Orange Coneflower)

50 (90)cm, Orange Coneflower is a perennial, clump forming species with numerous elegant bright yellow flowers on upright stems. Is native of open spots in woods and prairies throughout south central USA. For any rich, well drained soil in a sunny position. VII-IX.

Rudbeckia fulgida var. sullivantii (Orange Coneflower)

Rudbeckia fulgida var. sullivantii (Orange Coneflower)

60 (100)cm, Orange Coneflower is a very showy herbaceous perennial with numerous large, rich yellow flower heads with a nicely contrasting brownish-black center. It is native of north-eastern USA, from Connecticut to W Virginia, westward to Michigan and Missouri. For any rich, well drained soil in full sun. VII-IX.

Rudbeckia hirta (Black-Eyed Susan)

Rudbeckia hirta (Black-Eyed Susan)

50 (80)cm, Black-Eyed Susan is a very showy herbaceous annual to semi-perennial. It makes numerous rich yellow flower heads with a dome shaped brownish-black center. It is native from Connecticut to W Virginia, westward to Michigan and Missouri in north-eastern USA. For any rich, well drained soil in full sun. VI-VIII.

Rudbeckia laciniata (Tall Coneflower)

Rudbeckia laciniata (Tall Coneflower)

220 (300)cm, Tall Coneflower makes bluish green, deeply cut leaves and several bright yellow flowers. It is a perennial native of moist soils in open spots in woods and marshes in north-eastern America. For any rich, well drained soil in a sunny spot. VII-X.

Rudbeckia maxima (Great Coneflower)

Rudbeckia maxima (Great Coneflower)

200 (250)cm, Great Coneflower or Cabbage Leaf Coneflower is an impressive herbaceous perennial with unusual, most ornamental, bluish-grey, very long, paddle-like leaves arranged in a dense basal rosette. The upright stalk is topped by several rich yellow flowers with a central elongated brownish-black cone. It is native of meadows in south-central USA. Easily grown in a rich, well drained soil in full sun. VII-IX.

Rudbeckia occidentalis (Western Coneflower)

Rudbeckia occidentalis (Western Coneflower)

110 (150)cm, Western Coneflower is a very curious herbaceous perennial with nothing but elongated brownish-black disks surrounded by bright green sepals, lacking any petal. Easily cultivated in any rich, well drained soil in full sun. VII-IX.

Rudbeckia subtomentosa (Sweet Black-Eyed Susan)

Rudbeckia subtomentosa (Sweet Black-Eyed Susan)

40 (80)cm, Sweet Black-Eyed Susan or Sweet Coneflower is a clump forming perennial with numerous bright golden flowers. Native of meadows and prairies from Indiana, Wisconsin, Iowa, and Kansas, south to Louisiana and Texas (USA). For any rich, well drained soil in a sunny spot. VIII-X.

Rudbeckia triloba (Brown-Eyed Susan)

Rudbeckia triloba (Brown-Eyed Susan)

150 (200)cm, Brown-Eyed Susan or Thin Leaf Coneflower makes a herbaceous perennial with several bright yellow flowers above ovate to ovate-lanceolate leaves on branching stems. Native of open spots in semi-moist soils in woods and slopes. For any rich, preferably slightly moist, well drained soil in a sunny spot. VII-X.