Black-eyed susan 'Indian Summer' (Rudbeckia hirta 'Indian Summer')

Black-eyed susan 'Indian Summer'

Also known as: English bull's eye 'Indian Summer', Gloriosa daisy 'Indian Summer'

A cultivar of Black-eyed susan, black-eyed susan 'Indian Summer' is a standout for its long blooming season and outstanding vase life, making it a superb choice as a cut flower. The flowers blossom in great numbers from early summer to the year's first frosts. This cultivar has won multiple awards from American and British organizations.

Scientific classification

Asters bellflowers fanflowers and allies

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Perennial

Lifespan

Herb

Plant Type

Late spring, Summer, Fall

Bloom Time

Late summer, Early fall, Mid fall

Harvest Time

15 cm to 22 cm

Flower Size

Brown, Copper

Fruit Color

Yellow, Black

Flower Color

Winter dormancy

Dormancy

Semi-evergreen

Leaf type

5 - 35 ℃

Ideal Temperature

Care Guide for Black-eyed susan 'Indian Summer'

Every week

Water

Full sun

Sunlight

5 - 35 ℃

Ideal Temperature

Water: Black-eyed susan 'Indian Summer' thrives in North American prairies, preferring dry to medium moisture levels. It requires weekly watering, balancing hydration without constant moisture. As an herbaceous perennial, its robust root system efficiently utilizes water during the growing season, minimizing irrigation needs.

Fertilize: For black-eyed susan 'Indian Summer', use balanced fertilizers like a 10-10-10 blend to promote growth, starting in early spring and continuing monthly. Introduce a bloom booster during peak blooming, then reduce feeding in fall. Over-fertilization is harmful; compost can also enhance soil health.

Pruning: Black-eyed susan 'Indian Summer' is a vibrant perennial with bright yellow, daisy-like flowers. Prune in early to late spring for bushier growth and extended blooms. Regular deadheading encourages further blooming, while cutting back stems to the base in fall post-frost prepares the plant for winter.

Propagation: Featuring vibrant yellow-gold blossoms, black-eyed susan 'Indian Summer' enhances any garden. Propagate black-eyed susan 'Indian Summer' using cuttings from healthy plants. Select strong stems, trim below a leaf node, remove lower leaves, and use rooting hormone. Place in well-draining soil; maintain moisture to promote root growth, which may take several weeks.

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