How to Grow Goldsturm Black-eyed Susan
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Goldsturm Black-eyed Susan
Rudbeckia fulgida var. sullivantii 'Goldsturm'
flowerGoldsturm Black-eyed Susan is a hardy perennial that produces masses of bright golden-yellow flowers with dark brown centers from mid-summer through fall. This improved cultivar is more vigorous and floriferous than the species, making it an excellent choice for border plantings, meadows, and pollinator gardens.
When should you plant Goldsturm Black-eyed Susan in your zone?
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Example Goldsturm Black-eyed Susan timeline · Pittsburgh, PA (Zone 6b)
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Plant Goldsturm Black-eyed Susan
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Goldsturm Black-eyed Susan blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-9, thrives best in zones 4-8 where it displays peak performance
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Get my Goldsturm Black-eyed Susan timeline →Growth Stages
Establishment
3-4 weeksYoung transplants or seedlings with 2-4 true leaves develop a rosette of basal foliage
Water consistently but don't oversaturate. Mulch lightly around (not touching) stems. Remove any competing weeds.
Vegetative Growth
4-6 weeksPlant develops sturdy stems and increasingly dense foliage; no flowers yet. Typical height reaches 24-30 inches
Pinch back growing tips in early summer for bushier, more branched plants with more flowers. Provide support stakes if needed in windy locations.
Budding & Early Flowering
2-3 weeksFlower buds form at stem tips; first blossoms appear with classic golden-yellow petals and dark brown/black cone center
Deadhead spent flowers regularly to extend bloom time. Ensure adequate water and sunlight. Begin supplemental watering if rainfall is sparse.
Peak Bloom
8-12 weeks (mid-July through September)Plant is covered with hundreds of bright yellow flowers; plants are at maximum height and width with continuous new blooms
Deadhead regularly to prevent seed set and redirect energy into more flowers. Stake if stems are bending. Monitor for pests and diseases.
Late Season & Dormancy
6-8 weeks into winterFlowering slows as temperatures cool; seed heads develop and attract birds; foliage may fade or darken in fall
Leave seed heads on plants for wildlife and winter interest, or cut back if self-seeding is undesired. In fall, cut stems to 3-4 inches above ground or leave standing for winter structure.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Handpick in early morning or use beetle traps away from plants. Neem oil or insecticidal soap in severe infestations.
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Improve air circulation by spacing plants appropriately and pruning basal foliage. Spray with sulfur dust or baking soda solution if needed. Avoid overhead watering.
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Remove affected lower leaves. Water only at soil level, never on foliage. Ensure adequate air circulation.
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Spray with strong water stream, use insecticidal soap, or apply neem oil. Beneficial insects often control naturally.
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Increase humidity with regular misting. Use miticide if populations are high. Encourage natural predators.
Uses
Edible Petals
CulinaryThe bright yellow petals are edible and add color and a slightly bitter, citrusy flavor to salads, garnishes, and drinks. Ensure pesticide-free growing for culinary use. [source]
Traditional Immune Support
MedicinalBlack-eyed Susan (including Rudbeckia fulgida) has been used in traditional herbalism to support immune function and was used historically by Native Americans for various ailments, though modern clinical evidence is limited. [source]
Pollinator Magnet & Bird Food
WildlifeThe flowers attract butterflies, bees, and hoverflies, while the seed heads provide food for goldfinches and other seed-eating birds throughout fall and winter. This is a keystone native plant for pollinator gardens. [source]
Cut Flowers & Dried Arrangements
HouseholdGoldsturm blooms are excellent as fresh cut flowers and can be dried for long-lasting arrangements. The flower heads are particularly striking in dried bouquets and everlasting displays. [source]
Natural Dye Source
CraftRudbeckia petals can be used to create yellow and gold natural dyes for textiles and paper crafts, making it useful for eco-conscious dyers. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut flowers for bouquets in the morning when stems are hydrated and flowers are fully open but not yet aged. Stems last 7-10 days in a vase with fresh water. For seed collection, allow several flower heads to remain on the plant until fully brown and dry (late fall), then cut and dry further in a paper bag before storing seeds.
Fun Facts
- 🌱 The 'Goldsturm' cultivar was a major breakthrough in Rudbeckia breeding, introduced in the 1950s and winning the prestigious Royal Horticultural Society's Award of Merit. It revolutionized the use of black-eyed Susans in ornamental plantings.
- 🌱 The dark brown center (called the 'cone') is not actually the flower's center disk but rather tightly packed florets; what appears as petals are ray florets. This structure makes it highly attractive to insects seeking nectar and pollen.
- 🌱 Goldsturm Black-eyed Susan is one of the toughest perennials available and can tolerate neglect, poor soil, drought, heat, humidity, and even occasional flooding—it's nearly impossible to kill once established, making it perfect for beginning gardeners.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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