The Botanical Diary
B
Flowers

Black-Eyed Susan

Rudbeckia fulgida
Also known asblack-eyed Susan, coneflower, gloriosa daisy

Native to North America, where it is used in prairie gardens.

Regions
all regions
Colour
yellow з темним центром
Black-Eyed Susan (black-eyed Susan, coneflower, gloriosa daisy)
🌸
Bloom
July–October
☀️
Light
Full sun / напівтінь
💧
Watering
Moderate
📏
Height
0,5–0,8 m
❄️
Hardiness
Zone 4

Rudbeckia fulgida, commonly known as Black-eyed Susan, is a reliable perennial beauty that originates from the North American prairies and has long captured the hearts of gardeners worldwide. It owes its name to the characteristic dark centre of the flowers, which contrasts beautifully with bright yellow petals—this striking contrast makes each flower truly distinctive and eye-catching in the garden.

The blooming period of this plant is a genuine gift for any gardener: from July until the first frosts, the bush tirelessly produces new buds, flooding the flower bed with sunlight. Rudbeckia fulgida forms an attractive, compact shrub with sturdy stems and narrow leaves that create an aesthetic backdrop for the flowers. Several interesting cultivars exist, ranging from the classic yellow-and-black to varieties with semi-double flowers and altered colouring, allowing you to create interesting compositions in your garden.

In the garden, Rudbeckia fulgida is a versatile plant that thrives equally well in sunny and semi-shaded locations. It is ideal for mixed borders and pairs wonderfully with other autumn beauties—asters, goldenrod, and ornamental grasses. When other plants have finished flowering, Rudbeckia continues to shine with its blooms, attracting bees and butterflies right through October. Independent of weather and soil conditions, this American native has become a true favourite among Ukrainian gardeners.

If you are seeking a plant that will flower throughout summer and autumn without constant attention and care, Rudbeckia fulgida is exactly what you need. It saves your time and energy while rewarding you with months of joy and colour.

Location & soil

Black-Eyed Susan — planting & location

LightFull sun / напівтінь
Soil typeany, рН 5,5–7
Planting timeApril–May
Plant spacing0,3–0,5 m
Planting depth10 см

Very undemanding; flowers until the first frost.

Water needs

How to water Black-Eyed Susan

IntensityModerate
FrequencyEvery 10 days (в)
Volume8–10
MethodAt the base

Drought-tolerant once established.

Annual care

Fertilizing and pruning: Black-Eyed Susan

Spring fertilizingNitrogen (April).
Summer fertilizingDo not feed.
Autumn fertilizingSuperphosphate (September).
Pruning timeOctober (sanitary)
Pruning typeSanitary

Cut back to ground level in autumn.

Cold hardiness

Black-Eyed Susan — winter hardiness & care

Hardiness zoneZone 4
Winter coverNot required.
Cover timing
Plant protection

Diseases and pests of Black-Eyed Susan

Diseases
Powdery mildew
Pests
Aphid
Garden design

What grows well with Black-Eyed Susan?

Ехінацея, гайллардія