Brown Eyed Susan Daisy
Rudbeckia triloba
Plant Details
USDA Plant Hardiness Zones: 4a-8b Find Your Zone
Plant Type: Herbaceous Perennial
Height at Maturity: 2-3′
Width at Maturity: 18-24″
Spacing: 18″ for mass plantings
Spacing: 18″ for mass plantings
Growth Habit / Form: Upright
Growth Rate: Fast
Flower Color: Yellow rays with Purple-Brown center cones
Flower Size: 1.5″
Flowering Period: Early to Mid Summer through Mid Fall
Flower Type: Daisy
Fragrant Flowers: No
Foliage Color: Dark Green
Fragrant Foliage: No
Berries: No
Berry Color: No
Sun Needs: Full to Mostly Sun; at least 6 hours of direct sunlight per day
Water Needs: Average
Soil Type: Clay (amended), Loam, Sand (amended), Silt (Best in moist, organically rich soils)
Soil Moisture / Drainage: Moist But Well Drained
Soil pH: 5.5 – 6.5 (Acid to Slightly Alkaline)
Maintenance / Care: Low
Attracts: Butterflies, Visual Attention
Resistances: Deer, Disease, Heat, Humidity, Insect, Rabbit
Description
If you’re in to the natural flower garden look and like plants with a long bloom period, Rudbeckia triloba, commonly known as the Brown Eyed Susan, is a must-have North American native biennial plant that will freely naturalize along sunny woodland borders or in meadow or wildflower gardens. From early to mid summer well into fall this native flowering factory produces LOADS of cute coneflowers with bright yellow rays surrounding a purplish brown center cone. The leaves of this species are thinner than other Rudeckia some being 3-lobed, hence the species name.
Landscape & Garden Uses
Growing 24 to 36 inches tall and 24 inches wide, the Brown Eyed Susan Daisy is a native wildflower ideal for growing in naturalized areas, wildflower meadows, prairies, cottage gardens, native plant gardens and borders.
Suggested Spacing: 24 inches apart for mass plantings
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Growing Preferences
The Brown Eyed Susan Daisy is very easy to grow in most any moist but well-drained soil of average fertility and in full sun to mostly sun. We suggest at least 6 hours of direct sun per day for best flowering and overall performance. Deadhead spent flowers to encourage additional bloom and/or to prevent any unwanted self-seeding. This biennial will freely self-seed if spent flowers are not removed. But reseeding is a desirable thing when growing it in meadow and wildflower gardens.
Plant Long & Prosper!
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