Black Eyed Susan

Black Eyed Susan

SKU: FL2044
At 30–100 cm (12–39") tall, this North American native annual wildflower is immediately familiar, and conjures a sense of the heat of mid-summer. Dark brown cone centres are surrounded by pure yellow petals in flowers 5-8cm (2-3") across. Read More

Exposure Full-sun

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More details about Black Eyed Susan

Rudbeckia hirta. At 30–100 cm (12–39") tall, this North American native annual wildflower is immediately familiar, and conjures a sense of the heat of mid-summer. Dark brown cone centres are surrounded by pure yellow petals in flowers 5-8cm (2-3") across. Black Eyed Susan is a common name shared by many plants, but this is the annual that is native to the northeastern United States. This plant has been used by a number of First Nations as a medicinal poultice to treat a number of infections, including cold and flu. You'll love the bright look of this plant in mass plantings or in larger containers.

Annual

Quick Facts:

    • Annual
    • Dark brown centres
    • Native medicinal plant
    • Flowers are 5-8cm (2-3")
    • Attractive to butterflies

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Black Eyed Susan

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All About Black Eyed Susan

Latin

Latin
Rudbeckia hirta
Family: Asteraceae

Difficulty

Difficulty
Easy

Season & Zone

Season & Zone
Exposure: Full sun

Timing

Timing
Sow indoors 6-8 weeks before last frost, or direct sow about 2 weeks before last frost. If starting indoors, provide bright light and maintain a soil temperature of 21-25°C (70-75°F). Expect germination in 5-21 days.

Starting

Starting
Sow seeds on the surface of the soil. Thin or transplant to stand 30cm (12″) apart. In hot summers, some afternoon shade is appreciated.

Growing

Growing
Top dress with a thin layer of well rotted manure once a year. Keep watered in hot weather, and deadhead regularly. Plants may self-sow, which should be encouraged.

How to Grow Rudbeckia

Step 1: Timing

Sow indoors 6-8 weeks before last frost, or direct sow about 2 weeks before last frost. If starting indoors, provide bright light and maintain a soil temperature of 21-25°C (70-75°F). Expect germination in 5-21 days.

Step 2: Starting

Sow seeds on the surface of the soil. Thin or transplant to stand 30cm (12″) apart. In hot summers, some afternoon shade is appreciated.

Step 3: Growing

Top dress with a thin layer of well rotted manure once a year. Keep watered in hot weather, and deadhead regularly. Plants may self-sow, which should be encouraged.

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