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Hardy perennial
Asteraceae
Perennials
Rudbeckia 'Prairie Glow'
Brown-Eyed Susan
Rudbeckia ‘Prairie Glow’: 120 cm tall and 60 cm wide, full sun exposure. Red, orange, yellow blooms in July-September. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameRudbeckia 'Prairie Glow'
FamilyAsteraceae
GenusRudbeckia
Speciestrilobed
CultivarPrairie Glow
TypeHardy perennial
Botanical nameBrown-Eyed Susan
For a sunny composition, Rudbeckia ‘Prairie Glow’ (Rudbeckia triloba ‘Prairie Glow’) offers flowers in shades of red, orange, and yellow. The foliage has shades of green, to be highlighted among different textures. The usual flowering period is July-September. Its size of 120 cm by 60 cm reserves it a place at the back of a flowerbed and as a focal point, without forgetting the space for its neighbours.
In terms of cultivation, Rudbeckia ‘Prairie Glow’ appreciates a sunny exposure; the recommended soil is well-drained garden soil, retaining moderate moisture during establishment. Support the rooting of Rudbeckia ‘Prairie Glow’ with deep watering, then check the moisture before watering again. Adjust the frequency to rain and heat; avoid small daily waterings on already moist soil. Keep 60 cm as a general guideline between plants; this helps preserve their shape and access for care. The indicated hardiness level is zone 4, to be assessed according to your garden conditions.
To maintain the interest of Rudbeckia ‘Prairie Glow’ after flowering, remove spent flowers to tidy the bed or keep a few flower heads for their winter silhouette. The lifespan of rudbeckias varies depending on the species; reserve space for the clump without confusing long-lived forms and short-lived selections. For associations, consider daylilies, campanulas, and echinaceas in varieties with similar needs. Keep its 120 cm height in mind to place lower plants on the right side and allow the flowers to be visible during July-September.
Planting guide
From planting to establishment.
Spacing / density
23.62 inches
Best planting time
Spring after the thaw or early autumn, allowing the roots time to settle before the severe cold.
Propagation
Division of clumps. Growing from seed does not guarantee the fidelity of a named cultivar.
Growing method
Rudbeckia 'Prairie Glow': Spring after the thaw or early fall, allowing the roots to establish before the cold weather. Support the rooting of Rudbeckia 'Prairie Glow' with deep watering, then check the moisture before watering again. Adjust the frequency according to rainfall and heat; avoid small daily waterings on already moist soil. The lifespan of rudbeckias varies by species; leave room for the clump without confusing long-lived forms with short-lived selections.
Soil and care
The right care,at the right time.
Care level
Regular maintenance
Watering
Help Rudbeckia 'Prairie Glow' establish itself with deep waterings, then allow the soil to dry out before watering again. Adjust the frequency based on rain and heat; avoid small daily waterings on already moist soil.
Soil type
Drained garden soil, retaining moderate moisture during installation
Fertilization
Fertilizer for flowering
Moisture
Moderate humidity; water according to the actual state of the root ball
Seasonal care
Rudbeckia 'Prairie Glow': remove spent flowers to tidy the bed, or leave some seed heads for winter interest. During its flowering period (July-September), also check for damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try Rudbeckia 'Prairie Glow' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (60 cm). Water should drain freely after each watering; check the soil more often than you would for plants in the ground. Plan for winter protection for the container depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
4 feet (1.22 m)
Width / spread
24 inches (61 cm)
Flower color
Multicolored
Foliage color
Green
Foliage type
Null and void
Growth rate
Fast
Growth habit
Erected
Fragrance
Not documented for this selection
Bloom period
July-September
Garden associations
In goodcompany.
Companion plants
Companion plants to consider for Rudbeckia 'Prairie Glow': daylilies, campanulas, coneflowers. Choose varieties that tolerate sun and similar moisture conditions; allow each clump its mature space.
Plants to avoid
Around Rudbeckia ‘Prairie Glow’, above all avoid neighbors that would cover its leaves or strongly compete with its root ball. Compatibility of light, water, and spread takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Rudbeckia ‘Prairie Glow’?
Expect sun and suitable soil (drained garden soil, retaining moderate moisture during installation). The lifespan of rudbeckias varies depending on the species; give the clump space without confusing long-lived forms and short-lived selections.
What space should I reserve for ‘Prairie Glow’ Black-Eyed Susan?
Expect a height of around 120 cm and a width of 60 cm at maturity. Approximately 60 cm between centers, to be adjusted according to the actual development of the clump. This size is suitable for use at the back of a border and as a focal point.
When does Rudbeckia 'Prairie Glow' bloom?
The period indicated is July-September. The flower palette is red, orange, yellow. The exact date and duration depend on the climate, the season, and the plant's establishment.
How to water and care for Rudbeckia 'Prairie Glow'?
Accompany the establishment of Rudbeckia 'Prairie Glow' with deep watering, then check the moisture before watering again. Adjust frequency based on rain and heat; avoid small daily waterings on already moist soil. Remove spent flowers to tidy the bed or leave a few seed heads for winter interest.
Can Rudbeckia 'Prairie Glow' be grown in a pot?
To try Rudbeckia 'Prairie Glow' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (60 cm). Water should drain freely after each watering; check the soil more often than you would for plants in the ground. Plan to protect the container in winter according to your climate.
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